Hello Video Ranger, Thank you for your response. If you look at the transition from slide 13 to slide 16 you see the "I" (Outlook won't let me type a lower...
The report on the joint study of the future of neutrino physics has just been released. You may find the complete report here: http://www.aps.org/neutrino/ Zz....
It's that time of the year again when various sites pick their top physics news of the year. The Physics News Update of the AIP has compiled a list. Read it...
Yowzah!!! This is not getting any better. Now I am fully convinced that people are already in the holiday mood and not putting on their thinking caps! ... a ...
I was asked this question on our IRC channel, and there's no reason why the rest of you cannot be subjected to the same torture. :) It is straightforward, but...
For those of you receiving our Undernetphysics postings via e-mail distribution, you may have received a solicitation regarding a "poetry contest" that implied...
We very seldom post book reviews on here. But since the holidays are approaching and many people may want something to read just to get away from too much...
I just read Penrose's explanation of entropy in his book "The Emperor's New Mind". His explanation is completely saturated in an extended discussion of "phase...
... The concept of "phase space" is actually present in many areas of physics. I'm not sure if it is "absolutely necessary" to be understood as far as...
The Forum on Education of the American Physical Society has released the Fall 2004 Newsletter. This issue includes brief reports on physics education in four...
Hello Zapper, Thank you for your response. Penrose's book is very good especially his chapters on quantum physics, however, I personally found all the...
... physics, ... manage to ... without ... concept is ... You certainly do NOT need to know what a phase space is to get what Penrose is saying in that book....
Hi Celal, ... To echo some of what Zapper said, phase space may seem abstract concept, but it is incredibly useful once you get the hang of it. It provides a ...
Hi Celal, I agree with Tom's and Zapper's posts on this, both that phase space needn't be as difficult a concept as it might seem at first, and that you don't...
So, do you own a website that has a multimedia presentation that can effectively describe Einstein's Theory of Special Relativity in about 5 minutes to a...
... A two dimensional phase space with various representative orbits drawn in, like what you discussed for the harmonic oscillator, is sometimes called a phase...
As for examples where phase space is useful... As already mentioned in hamiltonian dynamics, theorems of conservation of energy, for instance, which don't look...
Thanks to Lionel Brits et al for an excellent discussion on phase space. Most of it is over my head (for the time being) but hopefully i will be revisiting the...
The holiday season is here, so obviously, not much activity with the Vexer lately. ... a ... else) The answer is 29.2 kcal. Obviously, there are 5 different...
Now this vexer you can try for yourself. You have two identical coins. Fix one coin so that it is immovable. How many times does the other coin rotate in...
... the ... i ... Since no one has responded to this, I will... There is a major issue that needs to be addressed first, and that is, is there ANY credible...
"A society which accepts the idea that the origin of the cosmos could be explained in terms of an explosion, reveals more about the society itself, than about...
... ordered and ... It is VERY naive and ignorant to equate the "big bang" with an "explosion". An explosion is a rapid expansion into PRE-EXISTING SPACE. This...
Zapper, Why the hostility ? You speak as if you were there and saw it yourself :-). I think it is better to maintain a scientific rather than a dogmatic ...
... yourself :-). ... I am hostile when one makes statements out of ignorance - not questions, but statements as if that person has all the current state of...
... proven "beyond ... technical ... discovered by ... beginning ... I ... the edges ... <<<<Wrong. CMB isn't that. And while you're at it, look if those...
... think ... at ... their ... that ... even ... own ... the ... scientists merely ... theory or ... presence or ... been ... very sound ... science. There are...
<<< And stop with the implication that out of random, rapid expansion that one cannot get ordered state. You clearly have not seen thin film vapor deposition...
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