Cloud chamber
photograph by C.D. Anderson of the first positron ever identified. A 6
mm lead plate separates the upper half of the chamber from the lower
half. The positron must have come from below since the upper track is
bent more strongly in the magnetic field indicating a lower energy.
15 June 2012
20 March 2012
Earth Quarterly
I found out about Earth Quarterly through the blogosphere, and it is most definitely worth a gander. Plus, its FREE! You can download the pdf here.
16 March 2012
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