This is your communication assignment
Update:
Part 3:
Read one of the responses posted in part 2 and comment on it.
Make sure your title is “Part 3 Critique”
However I expect you to be completing part 2 of the assignment.
Part 1: Read the article by clicking on the link and write a summary of this article is about 200 words. Post it on this page as your comment.
Due date: 31 st of May 2007
Part 2: Write in about 200 words your opinion about this article. Be certain to comment on quantum mechanics, classical mechanics and Bose Einstein condensate (BEC)
Due 23rd of May 2007
Part 3: Wait until you complete Part 1 and 2
65 responses so far ↓
Saira Merali // May 19, 2007 at 9:24 pm |
Summary: New Experiment Probes Weird Zone Between Quantum and Classical
This article talks about the creation of a miniature cantilever arm that will measure a cloud of thousands of rubidium atoms, once a magnet is attached to one end. Treutlein proposed this chip with a cantilever arm, which is a tiny diving board. It is 0.0007 cm long and is made from billions of silicon atoms. The expectation of this experiment is to create a rubidium cloud that will hang over the chip and interrelate electromagnetically with the cantilever arm at an absolute zero degree. If this experimentation is successful, the classical mechanics of the old world will enter a new world of quantum mechanics. Quantum mechanics will takeover classical mechanics by providing accurate and precise descriptions for many classical theories. Classical theories are not able to explain in-depth atomic and subatomic-levelled things; therefore, theoretical ideas will be replaced or backed upon by empirical evidences.
paul lazaro // May 21, 2007 at 9:09 am |
Scientists at the Max Planck Institute for Quantum Optics in Germany have created a silicon cantilevel arm on a chip, if being cooled above absolute zero, will sway back and forth in multiple modes at once, this is world’s first macroscopic sistem in quantum mechanical state.
this is the first experiment scaled an object in the observable world down in to the slippery world of quantum mechanics. In 1995 Einstein and Satyendra Nath Bose, these super cooled atoms settle into a single, coherent quantum state.
In 1995 BEC’s have been created and used to study about superfluids and to a slow light rays to be a crawl.
paul lazaro // May 21, 2007 at 9:39 am |
Scientist at the Max Plank Institute for Quantum Optics in Germany have created a tiny silicon cantilever arm on a chip, when cooled down near absolute zero, will sway back and forth in a multipe moedes. First microscopic system in quantum mechanical state.
This is the first experiment scaled an object in the observable world down into into the slippery world of quantum mechanics. Treutlein proposes a chip with with a centilever arm a tiny deving board 0.0007 centimeters long made from billion of silicon atoms.
In 1995 Eistein and Satyendra Nath Bose, these super cooled atoms settle into a single, coherent quantum state.
In 1995 BEC’s have been created and have been used to study about superfluids and to a slow light rays to a crawl.
According to Keith Schwab of Cornell University the real challenge in the next step: cooling the centilever arm to one-ten-thousandth of degree above absolute zero. But below the threshold, the centileverarm would enter to a quantum mechanical state. and ultimately, via the attached magnet, communicate back and forth with the quntum states in rubidium cloud. The bleeding edge of atomic physics is necesssary to create and maintain a rubidium cloud in a Bose-Einstein comdesate. Schwab said that you’d need amazing technology from both side.
Paul Lazaro
3rd period
Anupa Hewaranasinghage // May 21, 2007 at 11:35 am |
A small silicon cantilever arm on a chip was created by scientists at the Max Planck Institute for Quantum Optics.
The Quantum state of matter was first predicted by Albert Einstein as a consequense of Quantum Mechanics.Lateron the Bose-Enstein Condensate theory stated that when you cool atoms to a very low temperature it will cause them to condensate to a very low Quantum state which will result in the formation of a new form of matter.The Classical mechanics states that the motion of a point particle is characterized by position,mass and forces applied to it. These theories was basically used here,they cooled the silicon using a laser until it produced thousands of rubidium atoms.After that they are going to try and make the chip interact with the rubidium cloud electromagnetically.The main objective of this experiment was to find a link between Quantum and Classical mechanics.
Mike R. // May 21, 2007 at 1:21 pm |
Mike Ranjram – Part 1
This article is about a new experiment, devised by scientists at the Max Planck institute for Quantum Optics in Germany, which will allow scientists to investigate quantum mechanics at a macroscopic level; that is, rather than dealing with quantum physics at the theoretical/microscopic level it has always been associated with, it will now be examined at the ‘naturally’ observable level commonly left to the field of classical physics. The experiment consists of a silicon cantilever arm, 0.0007 centimetres long, with an incredibly small magnet attached to one end, and a Bose-Einstein Condensate (BCE), consisting of a cloud of super cooled rubidium atoms, hovering above; by cooling the arm to one ten-thousandth of a degree above absolute zero, it will enter the quantum realm and is expected to begin to “communicate” with the quantum states in the BCE, thus allowing a direct observation of the effects of quantum physics. The largest hindrance in the way of the experiment, though, is being able to create and maintain the astronomically low temperatures required for both the rubidium cloud and the silicon cantilever; a hindrance that may only be overcome with the most state of the art breakthroughs in the field of cryogenic physics.
Veena // May 21, 2007 at 1:56 pm |
German scientists from the Max Planck Institute have created a cantilever arm out of silicion on a chip that when cooled to 0.0001 degrees above absolute zero it moves back and forth in many modes. This has become the world’s first macroscopic system in a quantum mechanical state. Even though the quantum physics’ has been confirmed, it has never been actually observed. With this experiment one can actually observe the effects of quantum mechanics. A proposal for the experiment by Treutlein is to use a chip with a cantilever arm that is 7 microns and a billion silicon atoms. Rubidium atoms will be able to hover the cantilever arm and a magnet will be place on one side of the arm. Using laser pulses, the rubidium cloud will be kept at a temperature a few nanodegrees above absolute zero (Bose-Einstein condensate). Through this process the super cooled atoms will settle in a single quantum state. BEC’s are used to study superfluids and to slow light rays to a crawl. The first version of Treutlein’s chip has been created. If the experiment is successful the cantilever arm will enter into a quantum mechanical state and through the magnet, communicate with the quantum states in the rubidium cloud.
Filmon Yebio // May 21, 2007 at 2:08 pm |
Summary
Scientists have created a small cantilever arm on a silicon chip and hope that when cooled to near absolute zero will exhibit Quantum Mechanical properties. The purpose of this experiment is to see how Quantum Mechanics and the macroscopic world interact with each other. The effects of Quantum Mechanics have been proven by theoretical experiments but this new experiment plans to prove the effects of Quantum Mechanics in the real world.
Philipp Treutlein and his colleagues will make a chip with a cantilever arm, coming with a dividing board of 7 microns composed of billions of silicon atoms. A small magnet will be attached to the other side, the cantilever will measure the laser cooled rubidium atoms, just microns above. After which laser pulses will keep the cloud of rubidium in a cooled state nanodegrees above absolute zero called Bose-Einstein -Condensate. A theoretical experiment by Einstein predicts the super cooled atoms will settle into a Quantum state.
However, the difficult part of the experiment is cooling the cantilever arm to one-ten-thousandth of a degree above absolute zero to enter the Quantum state. It will take amazing technology to make this work but it’s expected that the experiment will go fine.
Filmon Yebio // May 21, 2007 at 4:10 pm |
Opinion on article
I thought the article was very interesting and informative. What is intriguing is classical and Quantum Mechanics and its relation to Bon-Einstein-Condensate. Classical Mechanics is used to observe the motion of a Macroscopic object such as Bon-Einstein-Condensate. Quantum Mechanics though is the study of the interaction of atoms and elementary particles. Quantum Mechanics is used to explain the behaviour of particles that contradict classical mechanics. Bon-Einstein Condensate is a state of matter and is an extremely cooled fluid holding at a temperature near absolute zero. Classical Mechanics were never able to fully understand Bon-Einstein Condensate, however Quantum Mechanics could. Quantum Mechanics explained how Bon-Einstein Condensate flowed out of a container so easily, it was due to being at such a low temperature its energy would thereby be very low. So low, that it couldn’t reduce its energy even by friction and without friction, the fluid easily overcame gravity in the container. The significant effect of this experiment though is being able to actually do the experiment instead of it being theoretical. Now the technology is there to actually cool an object down to near absolute zero where the effects can be measured. This would finally allow for the effects of Quantum Mechanics to be seen. This is a very important step in Science that fascinates me.
Arber Brahimi // May 21, 2007 at 5:04 pm |
Summary:
Scientists at the Max Planck Institute for Quantum Optics in Germany have created an experiment to take place which will include a silicon cantilever arm on a chip that is 0.0007 centimeters (7 microns) and made of 1 billion silicon atoms. This arm will have a magnetic strip attached at the end of it which will make ultra-sensitive measurements when it rocks back and forth at 0.0001 degrees above absolute zero temperature. On top of the cantilever arm will be a cloud of several thousand laser-cooled rubidium atoms which will be hovering microns over it. The whole point of this experiment which is yet to happen is to see if quantum physics could be applied to the macroscopic world. What makes this experiment difficult to carry out is cooling the cantilever arm to 0.0001 degrees above absolute zero temperature.
SomeGuy // May 21, 2007 at 8:51 pm |
Scientists are planning on conducting an experiment that will give them a chance to observe the effects of quantum physics directly, even though they hold validity and have been experimentally confirmed many times.
Philip Treutlein and his colleagues at the Max Planck Institure for Quantum Optics in Munich propose a chip made from a billion silicon atoms, almost 0.0007 centimeters long with a cantilever attached to it. Moreover, a small magnet is attached at one end of the cantilever that is suppose to make ultra-sensitive measurements of a cloud of thousands of laser-cooled rubidium atoms in the BEC state, hovering mere microns above the cantilever.
Bose- Einstein condensate (BEC) is a state of matter that forms when atoms are cooled down to mere nanodegrees above zero. This allows them to settle down into a single, consistent quantum state.
Despite all these fascinating predictions, scientists still face a quite challenging problem: cooling the cantilever arm to exactly one-ten-thousand degrees above zero. This has to be done in order for the cantilever arm to interact electromagnetically and communicate back and forth with the cloud of rubidium atoms.
Even though this experiment doesn’t hold 100 percent cogency since something as big as Treutlein’s cantilever arm system has never been taken into the quantum world before, expectations are pretty big.
Faiza Aleem // May 21, 2007 at 9:13 pm |
The article is about quantum mechanics, classicle mechanics and Bose–Einstein condensate(BEC). Quantum mechanics is a theory of the atom in which electrons are described in terms of their energies and probability paterns. It gives an explanation for the electron’s to stay in its orbital, which could not be explained by Newton’s laws of motion. In classical mechanics, small particles behave the same way as large particles do, and it includes the study of motions of gases, liquids, and solids, but commonly know is for solids.Bose–Einstein condensate is a state of matter formed by bosons and is cooled down to the temperature close to 273.15°C. Under this stat a large fraction of the atoms can go into the lowest quantum state, at which point quantum effects can appear on a macroscopic scale.Bose –Einstein condensate was made by Albert Einstein and an Indian physicist Satyendra Nath Bose. They used the quantum mechanics theory and classicle mechanics to make the Bose-Einstein condensate. Now they have made a chip that have been created by a tiny silicon cantilever arm on a chip that where cooled down to 0.0001 degrees. With a minute magnet attached at one end of the chip, it will make ultra-sensitive measurements of a cloud of several thousand laser-cooled rubidium atoms hovering mere microns above it. By this experiment they will discover the both aspects of quantum mechanics and classicle mechanics.
Khadija Naibkhel // May 21, 2007 at 10:17 pm |
This article is about an experiment for leaving the world or classic physics and entering the quantum physics because classical theory cannot explain on atomic and subatomic level. This experiment was the first time, which the scientists did on the world of quantum mechanics by creating a minute cantilever arm on the surface of a silicon chip. Quantum mechanics is a fundamental branch of physics with wide applications and replaces classical mechanics at the atomic and subatomic levels. Quantum mechanics is a more fundamental theory that it provides accurate and precise descriptions for many phenomena that classical can not. A Bose–Einstein condensate(BEC) is a state of matter formed by bosons cooled to temperatures very near to absolute zero (0 kelvin or -273.15°C). Under such supercooled conditions, a large fraction of the atoms collapse into the lowest quantum state, at which point quantum effects become apparent on a macroscopic scale. This state of matter was first predicted as a consequence of quantum mechanics by Albert Einstein, building upon the work of Satyendra Nath Bose in 1925, hence the name. BECs were first created in the lab in 1995 and have been used to study superfluids and to slow light rays to a crawl.
Andy Ly // May 21, 2007 at 10:19 pm |
In Germany, scientists at the Max Planck Institute for Quantum Optics are about to conduct an experiment that is going to make history, as being the first time that scientists have ever scaled an object in the observable world down into the world of quantum mechanics in their experiment. The experiment is that- The scientists have created a microscopic silicon cantilever arm that will be placed on a chip that, after being set at a temperature of 0.0001 degrees above absolute zero, will sway back and forth in multiple modes at once, becoming the world’s first macroscopic system in a purely quantum mechanical state. The cantilever arm itself will be greatly small; 0.0007 centimeters, made from a billion silicon atoms. To make the cantilever arm sway, scientists have also placed a minute magnet at one end. This will cause the cantilever to make ultra-sensitive measurements of a cloud of several thousand laser-cooled rubidium atoms hovering above a measurement of mere microns of it. With carefully tuned laser pulses, that cloud of rubidium will be kept at an antiquate state of matter called the Bose-Einstein condensate (BEC). What will make this experiment difficult is setting the temperature.
kenneth // May 21, 2007 at 10:32 pm |
In an experiment designed by scientists at the Max Planck Institute for Quantun Optics in Germany is promising to explore the boundary between the macroscopic world and the Quantum physics state. Scientists have built a cantilever arm joined to a silicon chip designed that when cooled to near absolute zero, will sway in multiple modes. The probe will become the world’s first macroscopic system in a complete quantum mechanical state.
The experiment, which marks the first time scientists have ever scaled an object in the observable world down into world of quantum mechanics stirred up many reactions among scientists and fascilitators alike. Expectations for the outcome of the experiment vary. Some feel that it is quite possible to observe quantum effects using the cantilever arm. Others feel that while it would be quite interesting to see a macrscopic object in a quantum state, it is also highly possible that such an experiment cannot be accomplished. Although many such predictions have been theoretically confirmed, scientists have yet to observe these affects directly.
In a paper published on the arXiv physics pre-print server, Philipp Treutlein and colleagues at the Max Planck Institute have proposed a chip with a cantilever arm. The arm resembles a minute diving board 0.0007 centimeters (7 microns) long, made from a billion silicon atoms. With a tiny magnet attached at one end, the cantilever is programmed to form ultra-sensitive measurements of a cloud of several thousand laser-cooled rubidium atoms.
The biggest barrier scientist’s face is cooling the arm to the exact one-ten-thousandth of a degree above absolute zero. Any temperature above or below this threshold will enable the arm to reach the quantum mechanic state. This experiment, even if is unsuccessful, will open doors to many others that are studying about quantum mechanical states.
Tamim Morad // May 21, 2007 at 10:41 pm |
The odd limit among macroscopic earth and unusual area of quantum physics is about to be investigated in a distinctive experiment. A minute cantilever on a silicon chip has been invented by scientists. When cooled to near absolute zero, this object will enter the quantum realm. From the University of Innsbruck in Austria, Peter Rabl who is not part of this experiment replied “I think it’s really possible to observe quantum effects with this experiment.” Albert Einstein never believed in quantum physics. Scientists never observed the effects of quantum directly, although many of quantum physics’ predictions have been confirmed. Philipp Treutlein and colleagues at Max Planch Institute explained an experiment that may change that. Treutlein offered a chip a cantilever arm which is made from a billion silicon atoms. The cantilever will create ultra-sensitive measurements of several thousand laser-cooled rubidium atoms balanced plain microns above it. The cloud of rubidium will be kept in a pure state of matter nanodegrees above absolute zero which is called a Bose-Einstein condensate. Keith Schwab of Cornell University said, the real challenge is the next step which is cooling the cantilever arm to one ten thousand of a degree above zero. Schwab also said, the cantilever arm would remain as classical at any temperature above this threshold.
Mel Bethanis // May 21, 2007 at 10:54 pm |
Summary: Part 1
Scientists in Germany have developed an experiment that will reveal if it is possible to apply quantum physics to the macroscopic world. The experiment, developed by Philipp Treutlein of the Max Planck Institute for Quantum Optics in Munich goes as follows; a chip will be made with a cantilever arm that is 7 microns long, made from 1 billion silicon atoms. A tiny magnet at one end will enable the cantilever to make very sensitive measurements of a cloud of thousands of cooled rubidium atoms (which are suspended in mid-air microns above the arm). This cloud will be kept only nano degrees above absolute zero – called a Bose-Einstein Condensate (BEC). Jorg Kotthaus, at the University of Munich has made the chip, and it can soon be combined with Treutlein’s rubidium cloud (which is nearing completion).The challenge in the experiment is getting the cantilever to 0.0001 degrees above absolute zero, only then will it sway back and forth in multiple modes becoming the first macroscopic system in a purely quantum mechanical state. A temperature above 0.0001 degrees and the chip would remain in the classical state. A temperature below this and it would enter the quantum mechanical state. In order to maintain the cloud in BEC, a border between the two states will be created, causing quantum effects. This is what Treutlein and Kotthaus hope to investigate.
Hammad Siddiqui // May 22, 2007 at 12:39 am |
A silicon chip made from a billion atoms, only 0.0007cm in size, has been proposed by Philip Treutlein and his colleagues at the Max Planck Institure for Quantum Optics in Munich. The chip has a cantilever attached to it, as well as a tiny magnet that will make ultra-sensitive measurements of a cloud of thousands of laser-cooled rubidium atoms in the BEC state, hovering just a few microns above the cantilever. BEC (Bose- Einstein condensate) is a term used to refer to a state of matter that is formed when atoms are cooled down to mere nanodegrees above absolute zero.
These scientists are planning on carrying out an experiment to see whether quantum mechanics can be applied to objects that are macroscopic and observable in the real world. Though most of the physics’ predictions have been experimentally confirmed, direct observations could not be made.
The real challenge for these scientists is cooling the cantilever arm to exactly one-ten-thousand degrees above zero. Any temperature above this would make the cantilever arm useless, and any temperature below it would make the cantilever arm enter into a quantum mechanical state.
All of these, however, are just predictions because nothing of the sort has ever been done before in the realm of quantum.
Hammad Siddiqui // May 22, 2007 at 12:42 am |
*Mr Vincent please use this one instead of the other one*
Part 1 – Protected – Blog
A silicon chip made from a billion atoms, only 0.0007cm in size, has been proposed by Philip Treutlein and his colleagues at the Max Planck Institure for Quantum Optics in Munich. The chip has a cantilever attached to it, as well as a tiny magnet that will make ultra-sensitive measurements of a cloud of thousands of laser-cooled rubidium atoms in the BEC state, hovering just a few microns above the cantilever. BEC (Bose- Einstein condensate) is a term used to refer to a state of matter that is formed when atoms are cooled down to mere nanodegrees above absolute zero.
These scientists are planning on carrying out an experiment to see whether quantum mechanics can be applied to objects that are macroscopic and observable in the real world. Though most of the physics’ predictions have been experimentally confirmed, direct observations could not be made.
The real challenge for these scientists is cooling the cantilever arm to exactly one-ten-thousand degrees above zero. Any temperature above this would make the cantilever arm useless, and any temperature below it would make the cantilever arm enter into a quantum mechanical state.
All of these, however, are just predictions because nothing of the sort has ever been done before in the realm of quantum.
zviko // May 22, 2007 at 7:38 am |
part 1
Between Quantum and Classical
Max plank Institute for Quantum Optics’s scientists have created the world’s first microscopic system in Quantum mechanical state. they have created a tiny silicon cantiliver arm on a chip; that after it is cooled down to degrees above absolute zero, it swings back and forth in numerous modes at once.
Scientists weren’t able to determine its effects even though the predictions of quantum physics’ haven’t been experimentally confirmed lately. trentlein proposed to make a chip with a cantiliver arm which will be used to measure atoms hovering above it. Eistein and Satyendra Nath Bose, said, these super cooled atoms settle into a single, coherent quantum state.
In 1995 BEC’s have been created and have been used to study about superfluids and to a slow light rays to a crawl.
Nonetheless Keith Schwab said the next step was to cool the cantilever arm. The arm will enter into a quantum mechanical state itself because of the magnate attached to it and how it moves back and forth. The bleeding edge of atomic physics necessary to create and maintain a rubidium cloud in a Bose-Einstein. He also said there may need very good technology from both sides
prince shamu
Mike R. // May 22, 2007 at 4:00 pm |
Mike Ranjram – Part 2
Upon first reading this article, I was simply overwhelmed. Having learned little to nothing about quantum physics and, consequently, knowing very little about the relationship between quantum and classical physics, this article was nothing but an encryption of scientific jargon. After a few reads and a little bit of research, though, my distressed bewilderment became euphoric realization; I was reading about a scientific breakthrough: an inconceivable, mind-boggling piece of semi-science fiction that was able to blow my mind before I had even understood what was being said.
The idea of using a state of matter that I had never even heard of (Bose-Einstein Condensate), and can still only envision as floating goo, was enough to make me hurt in awe, but the idea of a tiny silicon lever, super cooled to an inconceivably low temperature and magnetized at one end, being able to communicate with the quantum states of the BCE, just about threw me into an awe-induced coma. The results of the experiment are just as interesting if not many times more important: to discover if quantum physics can actually be applied to the observable world we live in, or if there will always have to be a distinction between classical physics/the observable world and quantum physics/the microscopic world. It’s all pretty incredible, and a testament to the incredible modernization of science: where two ideas as different as quantum/classical physics, can be compared in a single experiment.
Saira Merali // May 22, 2007 at 4:18 pm |
Part 2 – Opinion:
In my opinion, classical mechanics will be replaced by quantum mechanics. Classical theories do not explain and are not able to explain in-depth atomic and subatomic-levelled things practically. They just give us a non-backedup understanding of something that we can only generalize by. However, quantum mechanics backs up these theorietical ideals, and as well corrects them by the performance of practical experiements and empirical evidences. The Bose-Einstein condensate is a state of matter formed by bosons cooled to temperatures nearing absolute zero. Under these supercooled conditions, a large amount of the atoms collapse into the lowest quantum state, therefore the quantum effects become apparent on a macroscopic scale (meaning that they are observable by the naked eye). I believe that scientists will be able to observe the difference and change between the classical and quantum world by the naked eye. Technology keeps advancing, therefore making things more possible and creating new abilities and possibilties. So who’s to say whether or not this experimentation will be successful?
Athar Hamdan // May 22, 2007 at 5:54 pm |
New Experiment Probes Weird Zone Between Quantum and Classical, Wired News
Excerpts: Scientists at the Max Planck Institute for Quantum Optics in
Germany have created a tiny silicon cantilever arm on a chip that, after being
cooled down to 0.0001 degrees above absolute zero, will sway back and forth in
multiple modes at once, becoming the world’s first macroscopic system in a
purely quantum mechanical state. Image: Max Planck Institute, Munich/Jorg
Kotthaus, Universtiy of Munich “Either you have a real, macroscopic object
in a quantum state — or you find out that quantum mechanics doesn’t work for
the macroscopic world,” he said. “In either case, it would be quite
fascinating.” (…) A group led by J?rg Kotthaus at the University of Munich
has fabricated a first version of Treutlein’s chip, with the cantilever and
magnet mechanism (see photo). Treutlein’s group will soon be ready to prepare a
rubidium cloud that will hover over the chip and interact electromagnetically
with the cantilever arm.
Sabit Hoque // May 22, 2007 at 6:53 pm |
Quantum mechanics is a theory of the structure and behavior of an atom and as we all know atoms are extremely small and it is not visible to the naked eye. But scientists in Germany have broken this boundary between the macroscopic world and the realm of quantum physics through a new and unique experiment.
Scientists at the Max Planck Institute for Quantum Optics in Germany have created a tiny cantilever arm on a silicon chip, which they hope will change the world of physics. Their accomplishment will leave the world of classical physics and enter the quantum realm. This is only possible when the chip and cantilever is cooled down to 0.0001 degrees above absolute zero. When the temperature around the cantilever reaches this temperature it will sway back and forth in multiple modes at once and this will allow it to be the world’s first macroscopic system in a completely quantum mechanical state. Scientists all around the world are intrigued by this new development of this branch of physics. The only reason behind this is that the theory behind quantum mechanics has been proved but no has ever been able to observe its effects directly. This is the perfect opportunity for scientist to examine its effects and this will also allow them to take the study of quantum mechanics to a completely different level.
Faiza Aleem // May 22, 2007 at 6:54 pm |
The article is about quantum mechanics, classicle mechanics and Bose–Einstein condensate(BEC). Quantum mechanics is a theory of the atom in which electrons are described in terms of their energies and probability paterns. It gives an explanation for the electron’s to stay in its orbital, which could not be explained by Newton’s laws of motion. In classical mechanics, small particles behave the same way as large particles do, and it includes the study of motions of gases, liquids, and solids, but commonly know is for solids.Bose–Einstein condensate is a state of matter formed by bosons and is cooled down to the temperature close to -273.15°C. Under this stat a large fraction of the atoms can go into the lowest quantum state, at which point quantum effects can appear on a macroscopic scale.Bose –Einstein condensate was made by Albert Einstein and an Indian physicist Satyendra Nath Bose. They used the quantum mechanics theory and classicle mechanics to make the Bose-Einstein condensate. Now they have made a chip that have been created by a tiny silicon cantilever arm on a chip that where cooled down to 0.0001 degrees. With a minute magnet attached at one end of the chip, it will make ultra-sensitive measurements of a cloud of several thousand laser-cooled rubidium atoms hovering mere microns above it. By this experiment they will discover the both aspects of quantum mechanics and classicle mechanics.
Faiza Aleem // May 22, 2007 at 7:35 pm |
Part 2: Write in about 200 words your opinion about this article. Be certain to comment on quantum mechanics, classical mechanics and Bose Einstein condensate (BEC)
In my opinion this new discovery of making the tiny silicon cantilever arm on a chip that where cooled down to 0.0001 degrees. With a minute magnet attached at one end of the chip, it will make ultra-sensitive measurements of a cloud of several thousand laser-cooled rubidium atoms hovering mere microns above it. It can help to see how quantum mechanics, classical mechanics and Bose Einstein condenste works together. As the technology have advanced from using the quantum mechanics theory to classical mechanics and Bose Einstein condeste theory is making it esier for us to see particle by our vision and observ and have understanding of the concept what the thoeries alone could not explain. In the future scientists will be able to observ the difference and changes between the qunatum world and classicle mechanics. As the tchnolough have advanced more and can creat the possiblity of this experiment being succesfull. This expermint would help in future and give clear understanding of concepets between theoritcle and particle asspects of mechanics.
paul lazaro // May 22, 2007 at 8:51 pm |
This article shows the possibility to observe quantum effects in a particle, if this experiment would be successful it would be a great breakthrough for the field of quantum physics/mechanics. It is said the prediction of quantum mechanics have been verified experimentally to a very high degree of accuracy. It is also said that all objects obey the laws of quantum mechanics, including us in a large scale. Thus, making it possible to say that classical mechanics is just classical mechanics of a large system of or a quantum mechanics of a large collection of particles. In the article, It is said that it is important to put the particle in BEC. And without this, the system will just behave as aclassical system making the experiment in sigficant if the experiment will succeed I believe that this would clear the border between classical mechanics and quantum mechanics. Making it possible to quantitively compare the two fields making the two theories clear and more detailed.
Sawaiz Mobeen // May 22, 2007 at 9:09 pm |
Summary: -
This article talks about an experiment that deals with quantum mechanics. The aim of this experiment is to apply Quantum Physics into the macroscopic world. To do this, Scientists in Germany at Max Planck Institute, have created a silicon chip. On its surface, they have created a cantilever arm. This arm is a support which extends out like a vertical support. The silicon chip, made up of billion silicon atoms, is about 0.0007 centimeters long. A magnet will be attached on one end of the arm. This will enable the cantilever to make very sensitive measurements. These will create a cloud of several thousand laser-cooled rubidium atoms. Through laser tuned pulses, the cloud will be kept in a state called Bose-Einstein condensate. The temperature will be nanodegrees above absolute zero. The complex part of the experiment is cooling the cantilever arm to 0.0001 degrees above absolute zero temperature. If the arm is cooled to any other temperature above absolute zero, then the experiment would be considered as classical. If the arm is cooled below the threshold, then it could enter into a quantum mechanical state. Thus, it would communicate back and forth with the quantum states in the rubidium cloud.
Sawaiz Mobeen
Part 1
kenneth k // May 22, 2007 at 9:39 pm |
mr vincent i posted mine yesterdai n i cant see it on the comments so im juss resendin my summary
In an experiment designed by scientists at the Max Planck Institute for Quantun Optics in Germany is promising to explore the boundary between the macroscopic world and the Quantum physics state. Scientists have built a cantilever arm joined to a silicon chip designed that when cooled to near absolute zero, will sway in multiple modes. The probe will become the world’s first macroscopic system in a complete quantum mechanical state.
The experiment, which marks the first time scientists have ever scaled an object in the observable world down into world of quantum mechanics stirred up many reactions among scientists and fascilitators alike. Expectations for the outcome of the experiment vary. Some feel that it is quite possible to observe quantum effects using the cantilever arm. Others feel that while it would be quite interesting to see a macrscopic object in a quantum state, it is also highly possible that such an experiment cannot be accomplished. Although many such predictions have been theoretically confirmed, scientists have yet to observe these affects directly.
In a paper published on the arXiv physics pre-print server, Philipp Treutlein and colleagues at the Max Planck Institute have proposed a chip with a cantilever arm. The arm resembles a minute diving board 0.0007 centimeters (7 microns) long, made from a billion silicon atoms. With a tiny magnet attached at one end, the cantilever is programmed to form ultra-sensitive measurements of a cloud of several thousand laser-cooled rubidium atoms.
The biggest barrier scientist’s face is cooling the arm to the exact one-ten-thousandth of a degree above absolute zero. Any temperature above or below this threshold will enable the arm to reach the quantum mechanic state. This experiment, even if is unsuccessful, will open doors to many others that are studying about quantum mechanical states.
Veena // May 22, 2007 at 9:43 pm |
Having learnt about quantum mechanics recently, reading this article has really given me a sense of application of theory learnt. The quantum mechanics basically deals with the particles in motion at a micro-level. I was actually surprised to see that the quantum theory had never actually been observed. This increased my speculation as to how the experiment will be conducted and whether it will be successful or not. Obviously, the article has stated that whatever the result, the finding will be a breakthrough. Classical physics is basically studying motion of particles with the assumption that small particles move the same way as large particles. It is interesting that as the years go by, we are modernizing and to see a transition from classical to quantum mechanics is pretty amazing. Only after reading this article, I realized that there was actually another state of matter, BEC. Having discovered this, it was actually very interesting as to how it is applied in evoking this new experiment that is said to actually prove the quantum mechanics. In general, the article has given me a sense of perception as to how the theories learnt in class can be applied in reality.
Khadija Naibkhel // May 22, 2007 at 10:21 pm |
My opinion about this article is that quantum mechanics is a fundamental branch of physics with wide applications in experimental physics and theoretical physics that replaces classical mechanics and classical electromagnetism at the atomic and subatomic levels. Quantum mechanics is a more fundamental theory than Newtonian mechanics and classical electromagnetism, in the sense that it provides accurate and precise descriptions for many phenomena that these “classical” theories simply cannot explain on the atomic and subatomic level. Therefore I think quantum mechanics is better than classical mechanics. BECs were first created in the lab in 1995 and have been used to study superfluids and to slow light rays to a crawl. Bose–Einstein statistics, which describes the statistical distribution of identical particles with integer spin, now known as bosons. Bosonic particles, which include the photon as well as atoms such as helium-4, are allowed to share quantum states with each other. Therefore I think BC is more useful than quantum or classical mechanics.
Adeem // May 22, 2007 at 10:35 pm |
Part 1
Scientists are planning on conducting an experiment to prove that quantum mechanics can actually be applied to the real world through a macroscopic object. This experiment will give scientists a chance to observe the effects of quantum physics directly, even though they have been experimentally confirmed many times and hold validity.
Philip Treutlein and his colleagues at the Max Planck Institure for Quantum Optics in Munich propose a chip made from a billion silicon atoms, almost 0.0007 centimeters long with a cantilever attached to it. Moreover, a small magnet is attached at one end of the cantilever that is suppose to make ultra-sensitive measurements of a cloud of thousands of laser-cooled rubidium atoms in the BEC state, hovering mere microns above the cantilever.
Bose- Einstein condensate (BEC) is a state of matter where atoms are cooled down to mere nanodegrees above zero. This allows them to settle down into a single, coherent quantum state.
Despite all these fascinating predictions, scientists still face a quite challenging problem: cooling the cantilever arm to exactly one-ten-thousand degrees above zero. This has to be done in order for the cantilever arm to interact electromagnetically with the cloud of rubidium atoms or else no communication would take place.
PD
Hani R // May 22, 2007 at 10:58 pm |
German scientists at Max Planck Institute for Quantum Optics in Munich have created a chip with a cantilever arm made from a billion silicon atoms, about 7 microns long, which will be used to observe the boundary between the macroscopic world and the realm of quantum physics. In an experiment proposed by Philipp Treutlein, the cantilever arm, which is attached to a minute magnet will make ultra-sensitive measurements of a cloud of several thousand rubidium atoms that will be kept at mere nanodegrees above absolute zero (Bose-Einstein condensate) and will be hovering mere microns above it. At that time, it is anticipated that the cantilever arm will communicate back and forth with the quantum states in the rubidium cloud, thus allowing scientists to directly observe quantum mechanics. Obstacles such as the cooling of the cantilever to exactly one thousandth of a degree above absolute zero and the expectation of the cantilever arm communicating back and forth via the magnet not being fulfilled are present on the road to success for this experiment, although very high expectations are made.
kenneth k // May 22, 2007 at 11:38 pm |
I think this is very unique article, the fact that we can go in between two states of matter is very fascinating. Also it would be great achievement just to find out any information and getting close to travelling both states. If this experiment is successful it would be open many more doors into the study of Quantum Physics/mechanics. It would be interesting to see if they can get the cantilever arm cooled down exactly to one-ten-thousand degree above absolute zero because anything above or lower then that would just be in the classical state or the quantum state. The state between both states is the quantum mechanical state which if we can get the temperature to the exact point then we are in that state and is said to be very accurate. Also if they do not, they will put in the classical state which will leave it as “boring and just like a diving board with a magnet on it”. While in the quantum mechanical state it is important to put it in the Bose-Einstein condensate (BEC) because it will keep it at the exact degrees above absolute zero. Even though this is all information imagine if we could actually do this we would have many new discoveries into the world of quantum mechanics/ physics.
SomeGuy // May 22, 2007 at 11:50 pm |
I have accidently posted part 1 twice on this blog (one on may 21 and one on may 22). Please ignore the one I posted on may 22nd. Here is part 2 of the assignment:
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I was startled and, somewhat, confused after reading and understanding the article. The mere fact that something as delicate as quantum mechanics, which is basically how particles behave at the micron level and their properties in 3-d, can be observed by us humans in reality is overwhelming. If classical physics can be taken to the next level (quantum physics) into the real world it would most certainly open many doors to future technology and would be a huge advancement in the sciences. Even if the experiment fails, the results would still be enthralling because they will answer the one simple question: Is it possible to have a real, macroscopic object in a quantum state?
The article says that the rubidium atoms have to be in a BEC state of matter in order for them to communicate with the cantilever arm. Until now, I wasn’t even aware of the mere existence of this type of state and how it’s formed. It is very interesting to see this type of state being used in this experiment. Why is it being used or what property does this type of state have that would allow this experiment to be successful is beyond my knowledge, but all the commotion is equally exciting
Abira Usman // May 23, 2007 at 12:04 am |
The article is about scientists at the Max Planck institute for Quantum Optics in Germany who have created the world’s first macroscopic system in a quantum mechanical state known as a small silicon cantilever arm on a chip which ‘will sway back and forth in multiple modes at once’ when cooled to 0.0001 degrees above absolute zero.Although, this statement has been proven through experiment, never has it been directly observed which is predicted to be changed soon through a designed experiment.
Treutlein proposes that a chip with a cantilever arm that is 0.0007 centimeters long and made of a billion silicon atoms with minute magnet attached to one side can result in making ‘ultra-sensitive measurements’ of a cloud hovering closely above it containing several thousand rubidium atoms which have been cooled at a temperature a few nanodegrees above absolute zero using the laser pulses, BEC (Bose-Einstein condensate). The super cooled atoms will settle in a single quantum state through this process. Through the process of BEC, superfluids can be studied and light rays can be slowed as well. Treutlein’s chip’s first version has already been created by University of Munich while the rubidium cloud is yet to be made. Quantum realm is expected to be entered leaving behind the classical physics with the success of this experiment.
Tamim Morad // May 23, 2007 at 5:45 pm |
In my opinion, this article is remarkable and it describes how far the modern technology has reached. For example, tiny silicon cantilever arm on a chip that was cooled down to 0.0001 degrees above absolute zero. By the help of a minute magnet attached at one end of the chip, it will make ultra-sensitive measurements of a cloud of several thousand laser-cooled rubidium atoms hovering mere microns above it. This object shows us how Bose Einstein Condensate, quantum mechanics, and classical mechanics work as one. According to this article, quantum mechanic is defined as how particles behave at the micron level and their properties but in this experiment it can be examined by a human eye. Without Bose Einstein Condensate this object wouldn’t operate. For example, according to this article the rubidium atoms and the cantilever arm have to be in BEC state of matter to communicate. Classical mechanics is used in most technologies now a day. I believe classical mechanics would help scientists invent more hi tech technologies.
I think if we use other laws of physics or chemistry, this will be just the beginning of modern technology. This experiment is way beyond my mind and I never thought that scientists will invent this kind of experiment this soon.
Andy Ly // May 23, 2007 at 5:48 pm |
I’m low on enthusiasm when it comes to reading articles about science but I’m not when it’s of human breakthroughs. This article talked about a “scientific” breakthrough, so my reaction to it was two-sided; bored…but enthusiastic about it. Either way I looked at it, this experiment was undoubtingly fascinating to many. And clearly I knew the reason. Firstly, it was going to make history for being the first time that humans would be able to directly observe quantum physics in motion. Also, depending on the result of the experiment, it may reconstruct what we see as science today. Because if so it is successful, quantum mechanics, a fundamental branch of physics with wide applications in experimental physics and theoretical physics may see the day to replace classical mechanics, another branch of physics which describes the motion of macroscopic objects using a set of physical laws. It’s an amazing thought. But even with all that said, it still doesn’t amaze me more than by the showcase of our determination and drive to learn. In my opinion, the biggest impact coming from this experiment is proving that the imagination of the human-kind is limitless.
Sawaiz Mobeen // May 23, 2007 at 6:34 pm |
Opinion: – (Part 2)
This experiment is certainly amazing. Scientists in Germany have used a silicon chip as the object to examine the effects of quantum mechanics on it. So far, we know that atoms are tiny indivisible particles (they are not visible to the naked eye). But this experiment shows us something more eye-catching than that. When the cantilever arm and the silicon chip are cooled to 0.0001 degrees above absolute zero, this will allow it to be the world’s first macroscopic system in a completely quantum mechanical state. To accomplish this, they are brought to a state, BEC, which is a state of matter formed by bosons cooled to temperatures very near to absolute zero. What we know is that classical mechanics is the study of macroscopic objects. This system produces very accurate results about the movement of these particles. However, it does not give accurate results at the sub-atomic level. This experiment takes us beyond the world of classical mechanics. By conducting this experiment, scientists are now observing the effects of the quantum mechanics theory. This is special because earlier, scientists proved the theory but did not observe its effects directly. This also gives scientists the chance to take quantum mechanics to the next level. I think, quantum mechanics will replace classical mechanics in the near future.
Sabit Hoque // May 23, 2007 at 7:03 pm |
Part 2:
I think this development of this branch of physics is fascinating. Scientists have been able to theorize and experimentally prove the effects of quantum mechanics but they have never been able to witness its effects. Through this breakthrough we can now leave the world of classical physics and enter the realm of quantum mechanics. Quantum mechanics is able to explain that which classical physics is unable to; that is what Bose-Einstein Condensate theory is. Until this day it was only theories and predictions but now scientists can actually observe the effects of quantum physics. This is absolutely amazing because scientists have been working on this ever since Einstein’s time and now that they finally come up with an advancement which will allow them to answer many other unanswered questions. I believe that through this experiment scientists can make countless amounts of progress. From what these scientist, in Germany, discover through this intriguing experiment, we as students can also have a much a better understanding of quantum physics.
Samin.S // May 23, 2007 at 7:06 pm |
Part 1
This article is based on a new experiment, devised by scientists in Germany. This experiment will determine weather it is possible to apply quantum physics to the macroscopic world. The experiment was developed by Philipp Treutlein of the Max Planck Institute for Quantum Optics in Munich. The experiment consists of a chip made from silicon cantilever arm that is 0.0007 centimetres long with an tiny magnet attached to one end, and a Bose-Einstein Condensate (BCE). BCE consists of a cloud of super cooled rubidium atoms, hovering above. By cooling the arm to one ten-thousandth of a degree above absolute zero, it will enter the quantum realm and is expected to begin to communicate with the quantum states in the BCE which will allow a direct observation of the effects of quantum physics. This is the hardest part of the experiment; to keep the tempreture steady at a nano degrees above absolute zero. If it goes below that and it would go into the quantum mechanical state, and if the tempreture is higher the chip would remain in the classical state. Jorg Kotthaus, at the University of Munich has made the chip, and it can soon be combined with Treutlein’s rubidium cloud (which is nearing completion).
zviko // May 23, 2007 at 7:56 pm |
part 2
This article was so great. If all this will be successful it will be a wonderful experiment. I have no much knowledge about quantum physics; at one point i didnt understand what i was reading, but when i was reading all these theories i was so static it was just amazing what they are trying to do.
If quantum mechanics does work on this arm that will mean their predictions will be vey accurate and they can observe the behavior of the arm at atomic scales. If this works we can use quantum mechanics in all world every time because evrything will be accurate. The section of technology will take over with the use of quantum mechanics. Classical mechanics will somewhat work but not as quantum mechanics will. Classical physics doesnt give us accurate answers but it woks when there is a large collection of particles which do not really have or need to use.
Not forgeting the Bose-Einstein condesate (BEC), this state allows the atoms to slow down by cooling so that the could enter into their quantum state, which is so amazing. Already we have seen that these two link just fine.
It was a very good article it shows me that human brain thinks about things that are beyond measure.
prince
Arber Brahimi // May 23, 2007 at 8:00 pm |
Part 2:
Having read the title of the article and its first few lines, I didn’t think I would be capable of finishing it. Yet somehow the more I read, the more interesting the article became. Even though I hardly knew anything at all on the subject, and trying to understand it was almost like a mission, I started understanding the concept, and I started thinking that this experiment could prove that quantum physics could be used in our observable world, the macroscopic world. Because the theory of how this would happen is still fuzzy to me, I can’t really say if this could actually prove that quantum mechanics could work or not for the macroscopic world. I am really interested to see if this will actually be the breakthrough that scientists are saying. If it proves what scientists are hoping to prove, then this will be an amazing breakthrough for us, and it will open up a whole new level of science for us to learn.
Samin.S // May 23, 2007 at 10:12 pm |
I think this experiment will be a big step towards finding out a great ammount about this branch of physics. Previously scientists have experimentally proved the effects of quantum mechanics but they have never been able to see its effects. Because of this achievement, we are now able to put behind the concept of classical physics and proceed into quantum mechanics. Quantum mechanics explores beyond the boundaries of classical physics. They are now able to witness the Bose-Einstein Condensate theory. This is a huge scientific breakthrough because it has been a area that has been worked on since the time to Eienstein. I believe that through this experiment scientists can make countless amounts of progress. We as students can also benefit greatly from progression such as this. It helps us understand quantum mechanics better and brodens our knowledge in science. This is a great article for students who are intersted in the world around them and in the field of science.
Mel Bethanis // May 23, 2007 at 10:43 pm |
Part 2
To be totally honest, i was quite confused and baffled after reading the article for the first time. My understanding of the concepts and ideas being discussed was minimal at best. However, after rereading the article (several times) and doing some extra research on Bose-Einstein Condensate (BEC) and Quantum physics, I started to realize the importance and significance of this experiement. This tiny cantilever arm which will be cooled down to the BEC state (0.0001 degrees above absolute zero), can possibly reveal very important information about quantum effects on a macroscopic scale. In my opinion this experiment will be the threshold for quantum physics in the observable world (world we live in). It is probable that this will be the first step in discovering more information about this relatively unknown branch of science. I also believe quantum physics will become extremely useful in the future of technology, and humanity as a whole.
Abira Usman // May 23, 2007 at 10:44 pm |
One of the first things I had learnt in this course were quantum mechanics and it seemed quite surprising that something we are learning was not in use as much as I thought it would be by anyone, because even though I had learned about this and could somewhat picture this in my head, I never wondered or cared about what all this was good for. The thing that I hadn’t thought about before reading this article was the uses of quantum mechanics, after the article, I began to do some of my own research to find out about some of the expected effects of the experiment that is yet to be performed. I could not really come across something but I’m sure what ever is accomplished through this experiment, it will cetainly be a breakthrough in the field of science. The only result I don’t wish to look forward to if this experiment is performed is if it turns into something undesirable, in form of a weapon instead of some major breakthrough in the world of science for the better. Another thing that surprised me was the measurements used in this experiment, I wondered how they could reach such precision even when it is through laser pulses using the Bose-Einstein Condensation (BEC), which is quite new to me. Now that all of this has gotten me interested, I’m going to try and keep myself updated with this phenomenon. I have to say that with all the other hype in the world about useless things, we are really ignoring the real and important things that are taking place in the midst of all this which really matter like the great world-changing discoveries and developments like this one.
Hammad Siddiqui // May 23, 2007 at 10:52 pm |
Part 2 – Opinion:
I think that this experiment is fascinating and it will push the boundaries of the technological limitations that currently exist in today’s technology. It will initiate the technological advancement on the way macroscopic objects are able to be manipulated at the microscopic level. The concept of classical mechanical will be likely replaced by quantum mechanics because of the in-depth information they can produce. This will be really important because this will make scientists think of even more effective ways to achieve their purpose and the experimentally proven mechanics will finally be observable. This would be advantageous to the whole world as it would benefit the technology that exists currently. Also, if the scientists are able to achieve the BEC state for the chip, it would encourage more scientists to look deeper into subjects that were previously thought to be researched sufficiently. It might take these scientists a bit more time to accomplish what they desire, but I think in the end they will succeed.
Hani R // May 23, 2007 at 11:18 pm |
Part II
In my opinion, this article was very informative. Since I had limited knowledge of quantum mechanics, it took me awhile to comprehend the story behind the article, as it was full of scientific terms that I’d never heard of. For example, from what I knew prior to reading the article, there were only 3 states of matter, but this article stated that an additional state of matter called the Bose-Einstein condensate, which occurs at mere nanodegrees above absolute zero, also exists. Other things I discovered were that classical mechanics is used for studying the motion of macroscopic objects, while quantum mechanics is used for studying the motion of objects at the atomic level. After complete understanding of the article, I realized that through the execution of this experiment, classical mechanics would be replaced by quantum mechanics. It is amazing how it will be the first time that scientists will actually observe the effects of quantum mechanics in a macroscopic system. I personally wonder why, that this experiment, being a big scientific breakthrough hasn’t really been “front-page” news. It certainly deserves to be known and with its results sounding very promising, I’m interested in seeing the final outcome.
Manasa // May 26, 2007 at 3:12 pm |
This article talks about an experment which would conclusively demonstrate quantam state in macroscopic object in real world which can be observed.
This experiment is designed to demonstrate quantum state based on concept developed Bose and Einstein in 1925 also called as Bose Einstein Condesate.
Bose Einstein Condensate states that when matter is super cooled upto absolute Zero, large part of atoms in the matter turns into lowest quantum state,
at this point we would be able to observe quantum effetcs in physical world BEC is first successfully used in lab to study superfluids in 1995,where the
experment demonstatred by super cooling the fluids,the light rays could be slowed down to a crawl. Treutlein’s and other scientists at Max Planck Institute
for Quantum Optics in Munich,Germany proposed an experriment where a chip witch a cantilever arm, which would be used to demonstarate quantum effects
in physical world, were a magate attached at one end of the lever, it makes ultra-sensitive measurements of super-cooled rubidium atoms dispersed just
above the cantilever.A group of scientists at University of Munich created the first version of chip proposed by Treutlein’s and other scientists at Max planck
institute. they soon will be ready to test this chip, once rubudium cloud is prepared. they will be able to observe how effectively the chip wloud make the
measurements of rubidium atoms dispsersed over the cantilever.The main challange to successfully conduct the experment is ability to cool the cantilever
arm to one-ten-thousandth of a degree above absolute zero. If the scientists are able to successfully cool the cantilever below the threshold ,they would be
able to demonstrate the macroscopic object in a quantum state .This would be a great leap forward for quantum physics as no one ever successfully in
taking macroscropic object like cantilever system into quantum realm.
Manasa kalidindi
period : 2
Saira Merali // May 28, 2007 at 7:25 pm |
Part 3: Critique to Sawaiz Mobeen’s Part 2 Opinion:
I agree with Sawaiz about quantum mechanics replacing classical mechanics. However, I don’t think that this will happen in the near future. Science is advancing, yes, but I don’t think that it will have the capacity and capability to advance that much to which we can see atoms with the naked eye. Yes, this will happen hopefully, but I think its too early. Sawaiz talks about the important facts that need to be considered and completed for this experiment to be successful, and its true. If the chip is cooled below or above 0.0001 above absolute zero, the experiment won’t be successful. It must cool at that temperature. Classical mechanics doesn’t give us the exact information we’re looking for, therefore this experiment will reach to a point where it does, until it fails or succeeds. If it succeeds, then from there on, we will be getting more and more factual and realistic solutions and answers; answers that have practicalities and backups. The world is advancing, and every step it takes gets us farther and closer to the destination we most seek.
Filmon Yebio // May 29, 2007 at 6:21 pm |
Critique part 3
One of the other posts talked about how classical mechanics will be replaced by quantum mechanics. I happen to agree with her statement. It has been clearly stated that quantum mechanics will be the successor to classical mechanics because of the shortcomings of classical mechanics in explaining the interactions of particles at their atomic level. The author of this post was right in her analysis and made other key notes about how quantum mechanics is superior to classical mechanics and very soon will quantum mechanics will replace classical mechanics.
SomeGuy // May 30, 2007 at 10:07 pm |
Part 3: Critique to Sabit Haque’s comment
_______________________________________________
Sabit I agree that this experiment is quite fascinating. However, how can you be so sure that it will succeed? You mentioned that “now scientists can actually observe the effects of quantum physics.” This is not true since the experiment has not even been conducted yet, and it probably won’t for a while since no one knows how to cool that cantilever arm just mere degrees above absolute zero yet. One thing is for sure though. If we succeed, we will be able to leave the world of classical physics and enter the realm of quantum physics, as you mentioned. This advancement would lead us to a whole new era of mind-blowing technology and provide answers to many sophisticated questions that we humans have been trying to figure out since time.
Mike R. // May 31, 2007 at 12:59 pm |
Part 3 Critique – Mike Ranjram
I generally agree with the comments made by SomeGuy in his response for part 2, especially his conclusion on the experiment (where valuable information will be gained regardless of the experiment’s success) and his opinion on its effect on science (where it would be a huge advancement and open many doors to future technology). However, I disagree with his comparison of quantum and classical physics (where he seems to suggest that this experiment, if successful, could leave quantum physics replacing classical physics); I believe, perhaps wrongly, that both classes of physics have their own unique applications and purposes, and the world will always need a distinction between the two.
Sabit Hoque // May 31, 2007 at 4:52 pm |
After reading Mike’s response on the article, I was amazed by how informative it was. His response covers all the important aspects of the article; classical physics, quantum physics, and the BEC theory. I definitely agree with what he is trying to say. This breakthrough in quantum physics is very intriguing. If this experiment works as predicted, it will simply put a bridge between quantum physics and the macroscopic world. Scientist, for the first time, will be able to observe the effects of quantum physics first hand. Mike’s response includes all of these details and at the same time it is very well written. It meets all the necessary requirements and it is very interesting to read. Lastly, while writing this response it is evident that Mike was very honest and this made it rather appealing to read.
Sabit Hoque // May 31, 2007 at 4:54 pm |
Part 3: Critique – Mike R.
After reading Mike’s response on the article, I was amazed by how informative it was. His response covers all the important aspects of the article; classical physics, quantum physics, and the BEC theory. I definitely agree with what he is trying to say. This breakthrough in quantum physics is very intriguing. If this experiment works as predicted, it will simply put a bridge between quantum physics and the macroscopic world. Scientist, for the first time, will be able to observe the effects of quantum physics first hand. Mike’s response includes all of these details and at the same time it is very well written. It meets all the necessary requirements and it is very interesting to read. Lastly, while writing this response it is evident that Mike was very honest and this made it rather appealing to read.
Arber Brahimi // May 31, 2007 at 7:33 pm |
Part 3 Critique
Many people’s opinions on this article are quite similar, and I happen to agree with them. One of the opinions I agree with is posted by Hani R; stating that this article was quite informative and provided some knowledge not many of us would have ever come upon. I agree the article was quite a bit advanced to go through for the first time, but after a few redoes and some wikipedia researching, the understanding of the concept is brightened. I also wonder if this experiment succeeds; the breakthrough in this field of science of how quantum mechanics will be applied to the macroscopic world and seen by the naked eye, and how much more we will advance, it’s quite fascinating. I am quite curious to know how much of the world knows about this experiment and what they think about it. But I do agree with people that this will not be quite easy to follow through on, because of our lack in technology to keep the temperature of the cantilever arm at the BEC state of 0.0001 degrees above absolute zero.
Samin.S // May 31, 2007 at 10:13 pm |
Part 3 Critique: Kenneth .K
After reading Kenneth’s part 2 response I have noticed that a lot of our opinions on the article are very similar. It seems apparent to me that we both have interpreted the knowledge gained from the article in a similar manner. I mentioned in my response how fascinating it would be to see the scientific breakthrough if the scientists are able to witness the effects of quantum physics and Kenneth displays the same interest. We both agree that this would open doors to a whole new world of quantum mechanics and physics. It seems that Kenneth is very optimistic about the results of this experiment and I applaud him for his enthusiasm in this subject. Not many high school students know a lot about this subject of interest we were asked to evaluate. One thing I may disagree with in his response is that classical mechanics is boring. I do not believe that is the case because like how we are feeling now imagine how the people in history felt when they theorized classical mechanics for the first time? They also must have felt a great sense of achievement and hope for the future. Though I agree it is time to move on, but one must never disregard the past. Because it is because of the past, that we are able to move forward in the future.
Mel Bethanis // May 31, 2007 at 10:37 pm |
Part 3 – Mel Bethanis (comenting on Hammad Siddiqui’s article)
I completely and totally agree with the majority of Hammad’s opinion paragraph on the article. I too think this experiment is fascinating and will lead to technological advancement. However, there is one part I don’t completely agree with. Hammad states that he believes classical mechanics will be replaced by quantum mechanics. I’m in agreement with the fact that quantum mechanics wil be put to greater and more extensive use, but I don’t think it will totally replace classical mechanics (might replace some aspects of it, but not by any means this whole branch of science). This is because in my opinion both branches have their own unique uses and applications. Other than that, I support Hammad’s opinion totally and feel his response was well written and accurately expressed his view.
kenneth // May 31, 2007 at 10:38 pm |
PART 3 CRITIQUEE……………. to mels part 2 comment.
honestly i agree with mels statement on this one. The first time i read the article i was sort of lost and i continued to read it over and over again, also i did some research on it to be totally clear. i also agree on how when mel says this “experiment can possibly reveal very important information” i also think that even if success or fail we will be getting important information. Evenmore i agree that this experiment will be the threshold to the branch of quantum physics, because it will many doors to the study of quantum physics. Even if this experiment is a success only time will tell if the information is going to be useful or not. I also thought mel’s comment was written well and not just rushed, it seemed like he actually struggled with it to understand what the meaning of the article was to me that is a also a good sense that’s why he wrote a good comment and why i picked his comment.
Veena // May 31, 2007 at 11:20 pm |
PART 3 – Critique on Abira Usman’s Part 2 Response:
It is interesting because I do feel the same way as Abira does; I thought that quantum mechanics would not be important and could not actually be practically applied only to notice that it can bring about such a discovery. I also agree with Abira when she says that the outcome of the experiment would be a breakthrough in the field of science. It was written in the article itself that no matter the outcome it would definitely lead to more discoveries in the field. Abira predicts an outcome of the experiment, which is possible but almost impossible. I do not expect one of the outcomes to be some sort of nuclear weapon. Of course, in order to understand any new discovery, one must perform experiments and some outcomes, which are not pleasing. Even in the case of getting a new war weapon, I think that our country’s laws will probably ban the use of it. Then again, it is very improbable and that we should not worry about it right now. I agree with Abira when she says that we are ignoring the important things and instead focusing on useless information. Science is what will depict our future and it is essential to learn about it. The more knowledge we gain through reading and performing some research on our own, the more we will happen what is actually going around us. The useless information such as celebrity gossip are simply time consuming and irrelevant. I totally support Abira’s last statement when she says we, especially students must get involved in the science and technology will eventually change our world.
Hani R // May 31, 2007 at 11:28 pm |
Part III – Critique
Saira’s belief that scientists definitely will be able to observe the difference and change between the classical and quantum world by the naked eye, I have to criticize because scientists haven’t yet acquired the skill to cool the cantilever arm to the exact temperature of one thousandth of a degree above absolute zero, let alone succeeded in carrying out the experiment. Therefore, one cannot be completely positive that scientists will be able to observe this change. For example if the experiment fails, that is if scientists are unable to cool the rubidium cloud to the exact temperature, the cantilever arm would remain as classical and uninteresting as a regular diving board with a magnet attached to it. This way, quantum mechanics would not be observed by the naked eye. Although it is true that technology keeps advancing, and the liklihood of this experiment failing are very less, we must also take into account that this experiment has not been conducted yet. Therefore, the high expectation that the difference between quantum mechanics and classical mechanics will be observed by the naked eye is just that, an expectation. Either way, whether this experiment is successful or not, it is evident that it will introduce new theories and abolish some older theories relating to the field of chemistry and physics in science.
Abira Usman // May 31, 2007 at 11:59 pm |
Part 3- Critique
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I agree with Veena’s opinion on application of theory learnt. Basically, we are constantly learning something new and probably essential to us at times but when it is actually time to apply those theories we do not instinctively think of using those theories because they only seem to look good for the tests and exams. And just like Veena I too was surprised to find out that although this phenomenon has always been in talks but had never been observed which developed my interest in this and led me to read the article further to the end. It will be pretty amazing to witness the transition from the classical physics era to the quantum mechanics and be familiar with both of them equally. I do agree as well on the point that we were taught about only 3 states of matter and the concept of 4th state of matter was really unique to me.
It was interesting to know how this experiment will be conducted and therefore I wish that there could be some way that we as well could be able to observe this experiment as it is taking place.
Overall, it is true that the article inspired me to take my learning one step further by applying it to things in real life.
Sawaiz Mobeen // June 1, 2007 at 6:39 pm |
Part 3 – Critique: -
I agree with Mel’s comment. In my opinion, he has a rational behind his opinion, that is Quantum Mechanics and Classical Mechanics have their own uses and applications. Truly, science has not advanced such that Quantum Mechanics can completely replace classical mechanics. However as most other people said that the experiment can be a huge success too. I’m in agreement with the fact that quantum mechanics will be put to greater and more extensive use. The world of physics will change. We will adapt to a new technology soon. I also like Veena’s comment on the fact that the theories we learn in class need to be applied to the test (here in the experiment). All of these aspects are correct.
Tamim Morad // June 1, 2007 at 7:10 pm |
Part 3 critique – Paul Lazaro
In my perspective, this person’s summary follows most of what is expected. For example, this person illustrated quantum mechanics, classical mechanics, and the Bose Einstein condensate (BEC). But, this person did not illustrate the article much for a reader to understand. This comment is mostly illustrating the quantum mechanics, classical mechanics, and Bose Einstein condensate (BEC). In other words, 70% of this comment is illustrates the three states, and 30% illustrates the article. Regarding this, this person’s comment was fascinating at the end. For example, this person talked about what it would be like to compare classical mechanics and quantum mechanics. Overall the comment illustrated the article and mostly classical mechanics, quantum mechanics, and Bose Einstein condensate (BEC).
Hammad Siddiqui // June 1, 2007 at 11:25 pm |
Part 3: Response to Mel’s Part 2 post
I shared a similar experience as Mel when I first read the article. I was confused and had no clue of what the article meant and what kind of information it contained. I, however, did some research on it (not unlike Mel) and after reading it a couple of times, understood what the article was trying to tell us. I agree with Mel’s statement that if the experiment was successful, it would be the first step in discovering the basic knowledge about a crucial topic such as this. I also agree that quantum physics will become really useful in the future generation, technology-wise, and will affect humanity in a very significant way.
zviko // June 2, 2007 at 1:41 pm |
zviko
part 3 critique: response to hammad’s opinion
I also think that this experiment is a very big step and talking about the the world of technology this experiment will make a big difference. I think this concept of classical mechanics will not be as much effective as quantum mechanics because quantum mechanics is defined in many different ways. I also think that doing these big experiments will encourage them to think even more harder to accomplish their goals and maybe their experiments could be observed. With no doubt this will be much effective to our technology in this world. If they can achieve the BEC they will think of more but i dont see a reason why they should go back and try to fix old experiment, that wont be necessary. I think these experiments might have been going on for some years now and they are very hard and painful in my own pespective but i also think they will find what they are looking for.
prince