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A Couple Of Questions!
Forum List | Follow Ups | Post Message | Back to Thread Topics Posted by Nicola/">Nicola on December 28, 1999 20:32:48 UTC |
Hi all! I am new to the forum, I have a couple of questions that are really Physics, but that I need to find an answer to. I. Under what circumstances do photons change into an electron and positron pair. II. If a particle has a rest mass of zero, what happens when it comes to rest? I can't seem to find the answers to these anywhere...do we know them yet? Thanks Nicola |
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