15 June 2012

scatter studies


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.

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

more from france in 2009

13 March 2012