Alright. I thought there would have been more participants for this one, but hopefully it was because everyone's busy, and not that this vexer was that...
I hope this vexer is just plain fun! In each of the sentences below, the names of two countries are hidden. For example, the sentence: "Interpol and the FBI...
You would have seen this if you receive the monthly Physics Today, for those of you who don't, one of the free articles available online from Physics Today Nov...
Just a reminder that for those of you in N. America, the last hour of Brian Greene's "The Elegant Universe" on PBS will air tonight. I expect lots of reports,...
We continue with our (my) project of collecting all the most recent experimental evidence in support of Special Relativity. The results of this latest paper...
Either this is uncanny timing, or there is a conspiracy to brainwash all of us into buying this String Theory, but the latest issue of Physics World has a...
"If you still have the stomach for it after watching the last hour of The Elegant Universe" Was it THAT bad and what was so bad about the last hour? :) Is it ...
... of ... Well, it wasn't THAT bad, but I was disappointed by the content of the last hour. Other than introducing "branes" and how it fits in, there wasn't...
Hi everyone, This isn't a vexer, but just a fun physics thought problem -- perhaps it should be a vexer :)... It is a fairly well known fact that the magenetic...
First of all, excellent question, Tom. I should have thought of it as a vexer, but this way is good also. It is always fun to make a discussion out of this. I...
I'll give my opinion and would be interested in seeing others. I'm not so sure this would be a good vexer unless there's a very unequivocal answer (is there?) ...
Hey, I'm glad those who played this vexer had fun with it. ... The countries are: 1. Iran & Vietnam 2. Malta & India 3. Panama & Spain 4. Sweden & Lebanon 5....
Just a reminder that you should try and participate in answering the question that Tom posted. Consider that as our unofficial vexer. This week's vexer may...
For those of you who missed it, US Dept. of Energy (DOE) Secretary Spencer Abraham revealed the much-anticipated DOE's 20-year outlook on science research....
Wendy Freedman and Micheal Turner have published a review of our understanding of the universe in terms of various quantites that we have already measured....
It's been a long time since I've done any EM, so I haven't done any rigorous analysis of Tom's very interesting vexer, but I am inclined to agree with the...
Question: Now imagine holding a typical magnet above a piece of steel. Given the strength of the magent, at some distance the piece of metal will suddenly...
Hi David, ... Interesting and important question. I think the short answer is that within current *experimental resolution*, the electron has no internal ...
... that ... internal ... gets you ... on ... fermi ... resolution ... emerges ... to be point ... hypothesized the ... like that ... The implication here...
One of the major news this past week is the apparent discovery of a new particle at KEK in Japan. Speculations are running rampant that this may be the first...
Hi all, Sorry I've been out of the discussion for so long. In particular, I forgot about the "phonon vexers" I posed about two months ago in ... These make...
Hi Scerir, I know you posted this about two months ago, but I'm just getting caught up, here. The John Ashmead paper you cite (below) on a Stern- Gerlach...
Video_ranger, Again, sorry this response comes about two months after your message. If you remember back to post #471, second half, I'm ... This is very much...
Tom and David, One of the drawbacks of going through these messages so long after they were written is I'm not really sure if a particular thread was continued...
David, I pretty much agree with your revised "most significant discovery in ... This is certainly the discovery that most often keeps me up at night pondering...
Zapper, I sometimes make that sloppy connection between the Lagrangian and the Hamiltonian, but in my case, this is probably mostly because I feel I have a...
Zapper and Straycat, This is regarding the difference between the roll of a die and the collapse of a wave function, from message 487 and before. The path ...
... path ... in ... a ... that ... wave ... not ... Scott, I'm not exactly sure if I interpreted you correctly, but if I did, then let me offer you another...
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