Hi, He probably just made a mistake. The post with his answers have been deleted as well as the reply (since it quoted the original message!). Please remember...
Hello Thanks for answering the last question I asked, I didn't really understand the answers but it doesn't matter, I have I new thing on my mind now. We know...
Hi Artem, You are perfectly correct in picturing the sun producing "group" of photons like you have in the diagrams. Since each "group" is finite in number and...
Having recovered from my vacation (don't you always need a vacation to recover from your vacation?), we are back with our regular vexers. However, expect more...
This vexer has a huge potential of falling flat on its face, but again, what the hey.... In intro physics, we deal what is known as the free electron model in ...
I posted, via the web, Vexer #151. But apparently, it is stuck in Yahoo Groups never-neverland... and it was a rather long one too. I'll wait till tomorrow and...
OK, so this vexer didn't exactly fall flat on its face, but it also didn't get many attempts, as I expected. ... in ... of ... significant ... electrons ... ...
Y'know, in all the 150 or so previous vexers, I don't remember giving one related to Relativity. Well that is about to change this time around. Two events...
Now and then, I try to highlight a few names in physics that are not household names that most of the general public would recognize. We had a survey one time...
A terrific overview of the history of Asymptotic Freedom, and the experimental verification that finally led to the Nobel prize for the physicists that laid...
A very fun article to read I must say. I've been missing the insightful articles that you post about Zz. I'm sure I'm speaking on behave of many out there. :)...
... Why thank you, Boom'ster. This has been a busy summer for me, and about to get busier in the next couple of months or so. The workshop that I'm organizing...
This is a fun read.... http://www.in-cites.com/institutions/phy_1995-2005.html It would be fascinating to also compare the population of each institution. Max...
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...
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