How did Einstein give birth to quantum mechanics?
Q. I've read that Einstein is the father or grandfather of quantum mechanics, even though he was against it. How did that happen? What theory of Einstein's opened up the world of quantum mechanics? I know that Einstein was a firm believer of a clockwork universe. In his own words "God doesn't play dice with the universe." So how did Einstein's clockwork universe become uncertain? Mostly based on probability? The next person that gives me a nonsense answer like miketherex is getting reported. Please be serious.
Asked by Cochise - Sat Mar 8 03:03:25 2008 - - 3 Answers - 1 Comments
A. Yeah, basically Einstein used Plank's quantum hypothesis to describe the photoelectric effect. In the photoelectric effect, light shines on a metal and ejects electrons. At that point in time, light was thought of as being composed of waves. It was reasoned that brighter light would cause electrons to be ejected with more energy because the light would have a higher amplitude. Instead it was observed that brighter light just resulted in more electrons with the same energy as before. It was also observed that if you change the frequency of the incoming light (its color), then you get electrons with more energy. This baffled the other physicists of Einstein's time. Einstein showed that this is exactly what you would expect if light… [cont.]
Answered by Link - Sat Mar 8 03:46:41 2008
Q. I've read that Einstein is the father or grandfather of quantum mechanics, even though he was against it. How did that happen? What theory of Einstein's opened up the world of quantum mechanics? I know that Einstein was a firm believer of a clockwork universe. In his own words "God doesn't play dice with the universe." So how did Einstein's clockwork universe become uncertain? Mostly based on probability? The next person that gives me a nonsense answer like miketherex is getting reported. Please be serious.
Asked by Cochise - Sat Mar 8 03:03:25 2008 - - 3 Answers - 1 Comments
A. Yeah, basically Einstein used Plank's quantum hypothesis to describe the photoelectric effect. In the photoelectric effect, light shines on a metal and ejects electrons. At that point in time, light was thought of as being composed of waves. It was reasoned that brighter light would cause electrons to be ejected with more energy because the light would have a higher amplitude. Instead it was observed that brighter light just resulted in more electrons with the same energy as before. It was also observed that if you change the frequency of the incoming light (its color), then you get electrons with more energy. This baffled the other physicists of Einstein's time. Einstein showed that this is exactly what you would expect if light… [cont.]
Answered by Link - Sat Mar 8 03:46:41 2008
How is Relativity realted to Quantum Mechanics?
Q. The theory of relativity directly relates the four dimensions of our universe (time, motion, space, and the speed of light). Quantum mechanics is the study of measurements in extremely small quantities. I understand that if you distort one dimension of the universe, another must be distorted as well. But how does this relate to Quantum mechanics and how does it branch off from the M-Theory?
Asked by bosnian_samurai - Tue Mar 11 21:34:48 2008 - - 5 Answers - 0 Comments
A. At the root of quantum mechanics is the Heisenberg uncertainty principle, which states that it is impossible to know the simultaneous magnitudes of certain pairs of dynamical variables (called "canonical pairs") with arbitrary precision. An example of which are the position and momentum of a particle. Now, the reason why QM and GR are incompatible is that according to GR the gravitational field is a property of the geometry of space-time, which predicts that this field is propagated with a finite velocity (that of light), as opposed to infinitely fast, as Newton had believed. A moment's thought will make you realize that this property requires that a moving (i.e. accelerating) mass necessarily transfers energy and momentum to the… [cont.]
Answered by remember.kelly - Tue Mar 11 23:28:30 2008
Q. The theory of relativity directly relates the four dimensions of our universe (time, motion, space, and the speed of light). Quantum mechanics is the study of measurements in extremely small quantities. I understand that if you distort one dimension of the universe, another must be distorted as well. But how does this relate to Quantum mechanics and how does it branch off from the M-Theory?
Asked by bosnian_samurai - Tue Mar 11 21:34:48 2008 - - 5 Answers - 0 Comments
A. At the root of quantum mechanics is the Heisenberg uncertainty principle, which states that it is impossible to know the simultaneous magnitudes of certain pairs of dynamical variables (called "canonical pairs") with arbitrary precision. An example of which are the position and momentum of a particle. Now, the reason why QM and GR are incompatible is that according to GR the gravitational field is a property of the geometry of space-time, which predicts that this field is propagated with a finite velocity (that of light), as opposed to infinitely fast, as Newton had believed. A moment's thought will make you realize that this property requires that a moving (i.e. accelerating) mass necessarily transfers energy and momentum to the… [cont.]
Answered by remember.kelly - Tue Mar 11 23:28:30 2008
How much time is needed for a Doctorate in quantum mechanics?
Q. How much time is needed for a Doctorate in quantum mechanics? I'm just wondering, in case I want to pursue this career field. Thanks. Jeff had a good answer. Does anyone have a more specific answer, even one based on experience?
Asked by Jim - Mon May 18 21:51:01 2009 - - 2 Answers - 0 Comments
A. A doctorate in quantum mechanics does not exist. You probably want a doctorate in physics (though you could also be thinking chemistry instead). Now, assuming physics, you can expect it to take 4 or 5 years if you are doing work in theoretical quantum mechanics. But for experimetalists, it usually takes a bit longer, so you can expect 5 to 7 years. For most of the people I know that are working in experimental quantum (including me), it took 6 or 7 years. This does not include your bachelors degree and assumes you are not getting a masters degree. A masters degree is not a typical thing to do for physicists. Usually masters degrees are for people who get 2 years into their PhD and then decide that either: 1. they don't like their… [cont.]
Answered by Biofreak - Thu May 21 17:42:11 2009
Q. How much time is needed for a Doctorate in quantum mechanics? I'm just wondering, in case I want to pursue this career field. Thanks. Jeff had a good answer. Does anyone have a more specific answer, even one based on experience?
Asked by Jim - Mon May 18 21:51:01 2009 - - 2 Answers - 0 Comments
A. A doctorate in quantum mechanics does not exist. You probably want a doctorate in physics (though you could also be thinking chemistry instead). Now, assuming physics, you can expect it to take 4 or 5 years if you are doing work in theoretical quantum mechanics. But for experimetalists, it usually takes a bit longer, so you can expect 5 to 7 years. For most of the people I know that are working in experimental quantum (including me), it took 6 or 7 years. This does not include your bachelors degree and assumes you are not getting a masters degree. A masters degree is not a typical thing to do for physicists. Usually masters degrees are for people who get 2 years into their PhD and then decide that either: 1. they don't like their… [cont.]
Answered by Biofreak - Thu May 21 17:42:11 2009
How is quantum mechanics probabilistic and inexact? On the other hand, what does it give us exact answers for?
Q. I'm trying to figure out in what ways quantum mechanics is inexact and in what ways it is exact.
Asked by toobzforyou - Thu Apr 23 23:43:21 2009 - - 2 Answers - 0 Comments
A. It's probabilistic nature rears it ugly head when we try and measure an observable. It's exact in that we can know a particles position and momentum, just not both at the same time.
Answered by Valles Marineris(Owl Overlord) - Fri Apr 24 00:12:49 2009
Q. I'm trying to figure out in what ways quantum mechanics is inexact and in what ways it is exact.
Asked by toobzforyou - Thu Apr 23 23:43:21 2009 - - 2 Answers - 0 Comments
A. It's probabilistic nature rears it ugly head when we try and measure an observable. It's exact in that we can know a particles position and momentum, just not both at the same time.
Answered by Valles Marineris(Owl Overlord) - Fri Apr 24 00:12:49 2009
How does the many-worlds interpretation of quantum mechanics treat radioactive decay?
Q. Examples of Everett's many-worlds theory of quantum mechanics invariably give an example of a one-time measurement, rather than a continuous process like detecting radioactive decay with a geiger counter. The theory would seem to say that at every moment there is a division into a decay world and a non-decay world, which would lead to an infinity of worlds in every time period, however short, and offer no way to deal with half-life and the probability of decay. (Probability seems like a problem with the theory even in the ordinary measurement case.)
Asked by Eisweino - Thu Dec 27 23:28:12 2007 - - 3 Answers - 1 Comments
A. The wave function of the original atom exponentially decays in amplitude while that of the daughters' grows towards unity, just like the Schrodinger Equation says it does. The only difference between Everett and Copenhagen is that, in the former, the amplitude of the observer *not* detecting the decay decays exponentially too.
Answered by Dr. R - Wed Jan 2 21:08:23 2008
Q. Examples of Everett's many-worlds theory of quantum mechanics invariably give an example of a one-time measurement, rather than a continuous process like detecting radioactive decay with a geiger counter. The theory would seem to say that at every moment there is a division into a decay world and a non-decay world, which would lead to an infinity of worlds in every time period, however short, and offer no way to deal with half-life and the probability of decay. (Probability seems like a problem with the theory even in the ordinary measurement case.)
Asked by Eisweino - Thu Dec 27 23:28:12 2007 - - 3 Answers - 1 Comments
A. The wave function of the original atom exponentially decays in amplitude while that of the daughters' grows towards unity, just like the Schrodinger Equation says it does. The only difference between Everett and Copenhagen is that, in the former, the amplitude of the observer *not* detecting the decay decays exponentially too.
Answered by Dr. R - Wed Jan 2 21:08:23 2008
What does quantum mechanics affect and effect both me and the world around me?
Q. I been have doing some studying on Quantum Mechanics but I dont really understand how it affects and effects me and the world...
Asked by SupDawg - Fri Jun 1 03:12:51 2007 - - 1 Answers - 0 Comments
A. We cannot directly observe quantum effects because we are too big and those effects are small. However, quantum effects affect us indirectly and we see the results every time we look at an LED or laser.
Answered by gp4rts - Fri Jun 1 03:28:43 2007
Q. I been have doing some studying on Quantum Mechanics but I dont really understand how it affects and effects me and the world...
Asked by SupDawg - Fri Jun 1 03:12:51 2007 - - 1 Answers - 0 Comments
A. We cannot directly observe quantum effects because we are too big and those effects are small. However, quantum effects affect us indirectly and we see the results every time we look at an LED or laser.
Answered by gp4rts - Fri Jun 1 03:28:43 2007
Where is the current state of Quantum Mechanics?
Q. Is most research today being done in vein of "traditional" Copenhagen interpretations? Most importantly, what do YOU think about quantum mechanics? What the hell is going on, anyways?
Asked by BlueWorld - Tue Jul 7 08:21:11 2009 - - 3 Answers - 0 Comments
A. The problem with the "Shut up and Calculate" interpretation/theory is that it goes against what it means to be a physicist. (Note: I'm not one) Physicist are suppose to go where ever the experiments take them. I believe many physicists have given up asking, Why, because they don't like the answer. I think physicists have to come to terms that there is reason to believe there is something beyond the "spacetime continuum" I believe the answer to the Why question lies in the direction of the paranormal. There are many repeatable experiments, beginning with the initial ESP experiments and continuing on with the present day Remote Viewing ones.
Answered by David Dodeca - Tue Jul 7 14:32:54 2009
Q. Is most research today being done in vein of "traditional" Copenhagen interpretations? Most importantly, what do YOU think about quantum mechanics? What the hell is going on, anyways?
Asked by BlueWorld - Tue Jul 7 08:21:11 2009 - - 3 Answers - 0 Comments
A. The problem with the "Shut up and Calculate" interpretation/theory is that it goes against what it means to be a physicist. (Note: I'm not one) Physicist are suppose to go where ever the experiments take them. I believe many physicists have given up asking, Why, because they don't like the answer. I think physicists have to come to terms that there is reason to believe there is something beyond the "spacetime continuum" I believe the answer to the Why question lies in the direction of the paranormal. There are many repeatable experiments, beginning with the initial ESP experiments and continuing on with the present day Remote Viewing ones.
Answered by David Dodeca - Tue Jul 7 14:32:54 2009
Does quantum mechanics mean humans really have free will?
Q. If particle movement can't be predicted, then you can't predict the future, Newton thought if you knew the position and velocity of every particle in the universe, then you could predict the future, meaning we don't have free will, but does quantum mechanics mean we do?
Asked by Loki - Thu Feb 14 08:32:22 2008 - - 4 Answers - 0 Comments
A. While there is always uncertainty about the *next* measurement, it's always possible to trace the state of the universe now backwards in time. In other words, you're always going to be able to argue that action B was "caused" by action A, but you may have trouble figuring out what the next action will be. That being said, most philosophers claim that quantum mechanics does rescue people from the free will problem.
Answered by Ted - Thu Feb 14 08:42:14 2008
Q. If particle movement can't be predicted, then you can't predict the future, Newton thought if you knew the position and velocity of every particle in the universe, then you could predict the future, meaning we don't have free will, but does quantum mechanics mean we do?
Asked by Loki - Thu Feb 14 08:32:22 2008 - - 4 Answers - 0 Comments
A. While there is always uncertainty about the *next* measurement, it's always possible to trace the state of the universe now backwards in time. In other words, you're always going to be able to argue that action B was "caused" by action A, but you may have trouble figuring out what the next action will be. That being said, most philosophers claim that quantum mechanics does rescue people from the free will problem.
Answered by Ted - Thu Feb 14 08:42:14 2008
how does quantum mechanics apply to laser technology?
Q. I'm supposed to write about how laser technology applies to quantum mechanics but I'm not really sure how to go about it.
Asked by Zobiren - Thu Apr 23 12:25:00 2009 - - 1 Answers - 0 Comments
A. A laser is essentially a quantum-mechanical device, although much of its operation can be described classically. However any laser depends on there being a population inversion, which by its very nature has to be described quantum mechanically. Also the coherent nature of laser light is a quantum mechanical phenomenon.
Answered by Alejandro - Fri Apr 24 16:03:00 2009
Q. I'm supposed to write about how laser technology applies to quantum mechanics but I'm not really sure how to go about it.
Asked by Zobiren - Thu Apr 23 12:25:00 2009 - - 1 Answers - 0 Comments
A. A laser is essentially a quantum-mechanical device, although much of its operation can be described classically. However any laser depends on there being a population inversion, which by its very nature has to be described quantum mechanically. Also the coherent nature of laser light is a quantum mechanical phenomenon.
Answered by Alejandro - Fri Apr 24 16:03:00 2009
This thought came to me after thinking about free will and quantum mechanics?
Q. Even if quantum mechanics is true I can see no way that anything on a quantum scale can effect anything on a larger scale than it self. Quantum mechanics does show that thing are not always predictable but only in quantum mechanics, if Quantum Mechanics is the only true random occurrence in the universe, free will is in theory still not possible.
Asked by Sean B - Sat Feb 16 08:56:40 2008 - - 2 Answers - 1 Comments
A. Quantum mechanics doesn't prove free will, but it suggests it. It also destroys the old materialistic reductionist view of the universe that even Einstein held. If you know the state of each particle at any given time, you know the future of the universe. That has always been a practical impossibility. QM says it's also a theoretical impossibility. You could assert that QM is the only random physical process in the universe, that even Brownian motion is governed by quantum uncertainty. You could also assert that even thought and life are purely physical. You could then argue that your decision to turn right instead of left, or to marry someone, was determined by quantum uncertainty inside a particular neuron of your brain. It would… [cont.]
Answered by Frank N - Sat Feb 16 11:39:33 2008
Q. Even if quantum mechanics is true I can see no way that anything on a quantum scale can effect anything on a larger scale than it self. Quantum mechanics does show that thing are not always predictable but only in quantum mechanics, if Quantum Mechanics is the only true random occurrence in the universe, free will is in theory still not possible.
Asked by Sean B - Sat Feb 16 08:56:40 2008 - - 2 Answers - 1 Comments
A. Quantum mechanics doesn't prove free will, but it suggests it. It also destroys the old materialistic reductionist view of the universe that even Einstein held. If you know the state of each particle at any given time, you know the future of the universe. That has always been a practical impossibility. QM says it's also a theoretical impossibility. You could assert that QM is the only random physical process in the universe, that even Brownian motion is governed by quantum uncertainty. You could also assert that even thought and life are purely physical. You could then argue that your decision to turn right instead of left, or to marry someone, was determined by quantum uncertainty inside a particular neuron of your brain. It would… [cont.]
Answered by Frank N - Sat Feb 16 11:39:33 2008
what is the difference between quantum mechanics and classical mechanics?
Q. a particle may have to rotate 720 degrees in quantum mechanics sense, why? expect graduate level answer
Asked by want to know - Thu May 1 00:19:19 2008 - - 2 Answers - 0 Comments
A. the classical mechanics uses speeds less than light also it talks about dimensions more than 3d-world of the Classical mechanics... Hence the degrees more than 360 which is the limit in 3d world..Of course their is more to it...quantum physics accounts for matter at the atomic level; an extension of statistical mechanics based on quantum theory and the physical property based on "Quanta" (Hence the name quantum theory)
Answered by Dandy - Thu May 1 00:30:35 2008
Q. a particle may have to rotate 720 degrees in quantum mechanics sense, why? expect graduate level answer
Asked by want to know - Thu May 1 00:19:19 2008 - - 2 Answers - 0 Comments
A. the classical mechanics uses speeds less than light also it talks about dimensions more than 3d-world of the Classical mechanics... Hence the degrees more than 360 which is the limit in 3d world..Of course their is more to it...quantum physics accounts for matter at the atomic level; an extension of statistical mechanics based on quantum theory and the physical property based on "Quanta" (Hence the name quantum theory)
Answered by Dandy - Thu May 1 00:30:35 2008
Online Quantum Mechanics sources for a beginner?
Q. I am trying to independently learn Quantum Mechanics and I am having a horrible time. I will buy a book soon to aid me, but I would need some good online learning resources. Most I find are too concise and hard to follow. BTW, I just finished Heisenberg's uncertainty principal but I am still looking for DECENT proof. I would like it to be mathematical, but make sure it explains the proofs and stuff with words too.
Asked by pikachun00b7 - Fri Apr 17 23:05:10 2009 - - 1 Answers - 0 Comments
Q. I am trying to independently learn Quantum Mechanics and I am having a horrible time. I will buy a book soon to aid me, but I would need some good online learning resources. Most I find are too concise and hard to follow. BTW, I just finished Heisenberg's uncertainty principal but I am still looking for DECENT proof. I would like it to be mathematical, but make sure it explains the proofs and stuff with words too.
Asked by pikachun00b7 - Fri Apr 17 23:05:10 2009 - - 1 Answers - 0 Comments
What are the "quantum functuations" and "quantum mechanics"?
Q. I was watching about parralel universes and stuff but I really don't get anything because I don't know what quantum fluctuations quantum mechanics are. Can you guys help me??? They also say that A bubble can occur when alot of energy is focused in one point, so they say that it's a bridge to the other universe. Sorry, it's fluctuations, not functuations...
Asked by Emily - Tue Apr 28 22:24:09 2009 - - 3 Answers - 0 Comments
A. Quantum Mechanics ? Quantum mechanics is a set of principles underlying the most fundamental known description of all physical systems at the submicroscopic scale (at the atomic level). Notable among these principles are both a dual wave-like and particle-like behavior of matter and radiation, and prediction of probabilities in situations where classical physics predicts certainties. Classical physics c In quantum physics, a quantum fluctuation is the temporary change in the amount of energy in a point in space, arising from Werner Heisenberg's uncertainty principle. According to one formulation of the principle, energy and time can be related by the relation \Delta E \Delta t \approx {h \over 2 \pi} That means that conservation of… [cont.]
Answered by chanljkk - Tue Apr 28 23:04:00 2009
Q. I was watching about parralel universes and stuff but I really don't get anything because I don't know what quantum fluctuations quantum mechanics are. Can you guys help me??? They also say that A bubble can occur when alot of energy is focused in one point, so they say that it's a bridge to the other universe. Sorry, it's fluctuations, not functuations...
Asked by Emily - Tue Apr 28 22:24:09 2009 - - 3 Answers - 0 Comments
A. Quantum Mechanics ? Quantum mechanics is a set of principles underlying the most fundamental known description of all physical systems at the submicroscopic scale (at the atomic level). Notable among these principles are both a dual wave-like and particle-like behavior of matter and radiation, and prediction of probabilities in situations where classical physics predicts certainties. Classical physics c In quantum physics, a quantum fluctuation is the temporary change in the amount of energy in a point in space, arising from Werner Heisenberg's uncertainty principle. According to one formulation of the principle, energy and time can be related by the relation \Delta E \Delta t \approx {h \over 2 \pi} That means that conservation of… [cont.]
Answered by chanljkk - Tue Apr 28 23:04:00 2009
Is the human brain significantly affected by Quantum Mechanics?
Q. Several books are out that say nerve impulses and synaptic connections are subject to quantum effects. These theories tend to advocate "free will" as being part of the human condition, as opposed to "fate" or "determinism". Other books I've read take a dim view of Quantum Mechanics as a brain-function impactor. What say You?
Asked by kramback123 - Tue May 16 23:32:26 2006 - - 4 Answers - 0 Comments
A. Well there is no need for the brain to be based on QM and the people who propose that it is usually make quite a few mistakes as documented in the source.
Answered by bestonnet_00 - Wed May 17 05:45:25 2006
Q. Several books are out that say nerve impulses and synaptic connections are subject to quantum effects. These theories tend to advocate "free will" as being part of the human condition, as opposed to "fate" or "determinism". Other books I've read take a dim view of Quantum Mechanics as a brain-function impactor. What say You?
Asked by kramback123 - Tue May 16 23:32:26 2006 - - 4 Answers - 0 Comments
A. Well there is no need for the brain to be based on QM and the people who propose that it is usually make quite a few mistakes as documented in the source.
Answered by bestonnet_00 - Wed May 17 05:45:25 2006
Hi, need help on something? Explain eigenvalues please and how it relates to quantum mechanics.?
Q. Hi, need help on something? Explain eigenvalues please and how it relates to quantum mechanics.
Asked by the a - Sat Dec 13 23:25:33 2008 - - 1 Answers - 0 Comments
A. not sure
Answered by Wayne Trane - Sat Dec 13 23:27:14 2008
Q. Hi, need help on something? Explain eigenvalues please and how it relates to quantum mechanics.
Asked by the a - Sat Dec 13 23:25:33 2008 - - 1 Answers - 0 Comments
A. not sure
Answered by Wayne Trane - Sat Dec 13 23:27:14 2008
according to the theory of quantum mechanics, is it possible to pinpoint exactly where an electron is located?
Q. according to the theory of quantum mechanics, is it possible to pinpoint exactly where an elctron is located in an atom
Asked by Margo - Mon Aug 17 13:25:26 2009 - - 4 Answers - 0 Comments
A. Yes. However, only with an infinitely imprecise momentum. The Heisenberg Uncertainty Principle tells us that the particle's uncertainty in momentum times its uncertainty in position will always be a finite nonzero number. Only if the uncertainty in momentum is infinite can the uncertainty in position be zero.
Answered by unknown - Mon Aug 17 13:36:27 2009
Q. according to the theory of quantum mechanics, is it possible to pinpoint exactly where an elctron is located in an atom
Asked by Margo - Mon Aug 17 13:25:26 2009 - - 4 Answers - 0 Comments
A. Yes. However, only with an infinitely imprecise momentum. The Heisenberg Uncertainty Principle tells us that the particle's uncertainty in momentum times its uncertainty in position will always be a finite nonzero number. Only if the uncertainty in momentum is infinite can the uncertainty in position be zero.
Answered by unknown - Mon Aug 17 13:36:27 2009
What is the significance of Quantum Mechanics?
Q. and quantum physics, etc. obviously we are studying them, however i believe (as far as my knowledge goes) that we have reached the peak. What can we do with the knowledge we've gained from it? If you know of any websites that will shed light onto the situation please tell. My biggest interest lies in the Quantum world currently.
Asked by Anonymous - Mon Mar 19 11:50:53 2007 - - 4 Answers - 0 Comments
A. Quantum mechanics provided the basis for the computers and cell phone technology you have today. We certainly have NOT reached the peak - we're just beginning. MRI machines are recent results of QM, and coming up next - quantum computing and insights into the origins of the big bang.
Answered by eri - Mon Mar 19 12:05:13 2007
Q. and quantum physics, etc. obviously we are studying them, however i believe (as far as my knowledge goes) that we have reached the peak. What can we do with the knowledge we've gained from it? If you know of any websites that will shed light onto the situation please tell. My biggest interest lies in the Quantum world currently.
Asked by Anonymous - Mon Mar 19 11:50:53 2007 - - 4 Answers - 0 Comments
A. Quantum mechanics provided the basis for the computers and cell phone technology you have today. We certainly have NOT reached the peak - we're just beginning. MRI machines are recent results of QM, and coming up next - quantum computing and insights into the origins of the big bang.
Answered by eri - Mon Mar 19 12:05:13 2007
Quantum mechanics has a quantum of gRavity? What is its description?
Q. Was it not Understood that quantum mechanics had no mechanism for explainning Gravitation?
Asked by goring - Thu Aug 10 16:34:28 2006 - - 3 Answers - 1 Comments
A. the hypothetical boson which mediates gravity is called the graviton. the graviton travels at the speed of light. look here: general relativity says that bodies which orbit each other will emit gravitational radiation, and single bodies which oscillate between being flattened at the poles and stretched at the poles will also emit gravitational radiation. here is the web site of some of those looking for gravitational radiation.
Answered by warm soapy water - Thu Aug 10 17:50:43 2006
Q. Was it not Understood that quantum mechanics had no mechanism for explainning Gravitation?
Asked by goring - Thu Aug 10 16:34:28 2006 - - 3 Answers - 1 Comments
A. the hypothetical boson which mediates gravity is called the graviton. the graviton travels at the speed of light. look here: general relativity says that bodies which orbit each other will emit gravitational radiation, and single bodies which oscillate between being flattened at the poles and stretched at the poles will also emit gravitational radiation. here is the web site of some of those looking for gravitational radiation.
Answered by warm soapy water - Thu Aug 10 17:50:43 2006
How can I find theintroduction to quantum mechanics FIRS EDITION soliton,DavidJ Griffiths.Can you send a link?
Q. I can not find theintroduction to quantum mechanics first edition, David J Griffiths ANYWHERE. Plese helppp! I need soition. I have a problem. I can not solve some integral. So I must find introduction to quantum mechanic first edition solition. HELPPP! is there a link??? (((PHYSICIST))) You can understan me...
Asked by mustafa e - Tue Dec 23 14:05:01 2008 - - 2 Answers - 0 Comments
A.
Answered by ozo - Tue Dec 23 14:53:56 2008
Q. I can not find theintroduction to quantum mechanics first edition, David J Griffiths ANYWHERE. Plese helppp! I need soition. I have a problem. I can not solve some integral. So I must find introduction to quantum mechanic first edition solition. HELPPP! is there a link??? (((PHYSICIST))) You can understan me...
Asked by mustafa e - Tue Dec 23 14:05:01 2008 - - 2 Answers - 0 Comments
A.
Answered by ozo - Tue Dec 23 14:53:56 2008
how would you explain quantum tunneling to someone with little to no knowledge of quantum mechanics?
Q. I have to write a report for my research on spin filter tunneling. Since it's in a new field, the introduction has to be such that a high school student with limited knowledge of physics can understand. I know what quantum tunneling is but I just don't know how I can briefly explain it to someone who has no idea.
Asked by honeyB2013 - Mon Jun 29 10:11:24 2009 - - 4 Answers - 0 Comments
A. IMO, "Tunneling" should be expunged from the language of quantum mechanics. We only call it that because the phenomenon runs counter to the way we epect things to behave in the macroscopic world, but QM is not the macroscopic world. It is not LIKE the macroscopic world... Not even a little bit. In the macroscopic world, we might talk about some point A, and some other point B, and some object that is "at" point A. We might inquire whether the object can get from A to B, and we might find that no matter what path we try there is always someplace along that path where the object can not go. E.g., the object is a marble, point A is inside a sealed box, and point B is outside the box. The marble can't get out of the box, because it can't [cont.]
Answered by pzifisssh - Mon Jun 29 11:16:08 2009
Q. I have to write a report for my research on spin filter tunneling. Since it's in a new field, the introduction has to be such that a high school student with limited knowledge of physics can understand. I know what quantum tunneling is but I just don't know how I can briefly explain it to someone who has no idea.
Asked by honeyB2013 - Mon Jun 29 10:11:24 2009 - - 4 Answers - 0 Comments
A. IMO, "Tunneling" should be expunged from the language of quantum mechanics. We only call it that because the phenomenon runs counter to the way we epect things to behave in the macroscopic world, but QM is not the macroscopic world. It is not LIKE the macroscopic world... Not even a little bit. In the macroscopic world, we might talk about some point A, and some other point B, and some object that is "at" point A. We might inquire whether the object can get from A to B, and we might find that no matter what path we try there is always someplace along that path where the object can not go. E.g., the object is a marble, point A is inside a sealed box, and point B is outside the box. The marble can't get out of the box, because it can't [cont.]
Answered by pzifisssh - Mon Jun 29 11:16:08 2009
From Yahoo Answer Search: 'quantum mechanics'
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Heisenberg was the head of Nazi Germany s nuclear energy program though the nature of his work in this capacity has been heavily debated Quantum mechanics As a student he met Niels Bohr in Goettingen in 1922 A fruitful collaboration developed between the two Werner Heisenberg invented matrix mechanics the first
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