It's been quiet in here lately, and certainly from me. I'm tied up with a Workshop on accelerator physics that will start next week in Lake Geneva, Wisconsin....
It's been a while, I know. But I haven't forgotten this yet... ... to ... The simplest way to solve this is to start with the "invariant length", which is c^2...
Here's something I just finished doing about 5 minutes ago. I had to figure out the quantum efficiency (QE) of the photocathode that I had just fabricated....
Obviously, I'm out of practice with writing Vexers after being away for a few weeks. There is a typo in one of the values. The power from the light source is 5...
... I have a peripheral involvement in the Auger Observatory project via the AirFly collaboration. And one aspect of this collaboration will be on display...
Hello, I saw a report on the tv about an expedition to "mysterious" crater in Taiga, Russia. The crater itself looks very strange. It looks like a normal...
Hi Artem, Given you have a radioactive source, the only 2 ways that you can lower the radiation from reaching you is from: Shielding - lots of material of any...
If anyone wish to catch up on what we have so far, please read the following messages: So You Want To Be A Physicist - Intro (msg. #5) So You Want To Be A...
Bay of Islands, New Zealand mentioned in the article as having 2nd bluest sky is only 3 hours drive from me. Visited there quite a few times and I must say it...
... Done! Although I don't have actual pictures of the site mentioned in the article as having the 2nd bluest sky in the world (Bay of Islands, NZ), several of...
I've only read through these papers quickly, but it appears to be a fun reading. They were all written by the same authors, one based on a talk, the other is...
If anyone wish to catch up on what we have so far, please read the following messages: So You Want To Be A Physicist - Intro (msg. #5) So You Want To Be A...
So who do you think is currently the most creative physicist? Hawking? Weinberg? Penrose? Greene? Think again! http://physicsweb.org/articles/news/10/8/13/1 ...
OK, I know I still owe the answer to the last vexer from .... what ... 3 weeks ago? Anyhow, I think I'm running out of juice with the vexer. Therefore, I am...
Hi all! Does anyone know of a good article discussing of the metaphysical role of measurement and an observer in QM? And in particular, dealing with the issue,...
Kent: Does anyone know of a good article discussing of the metaphysical role of measurement and an observer in QM? And in particular, dealing with the issue,...
Hello everyone. Thanks to all those who have made suggestions on the vexer. I have decided to try one of the suggestions. What we will do is have a vexer...
UK is overhauling the amount of science being taught to students taking the compulsory core GCSC science. This is the course most students who are not going to...
What do you mean by "free access ends"? Shouldn't these articles belong to the whole humanity? ... Get your email and more, right on the new Yahoo.com ...
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