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  1. Neutrons, not electrons, are 10 times more damaging than gamma rays
  2. The radiation from Tokyo tap water rose on 3/23 to 210 becquerels/kg, an unsafe level for infants

The corrections have been made to the attached slides. The presentation was recorded and will be available for streaming soon.

Peter Saeta 2011 March 26 at 11:06 AM PST


Into Eternity --- A film on the "realities of storing nuclear waste for tens of thousands of years." Showing on 4/4 at 19:00 in George C.S. Benson Auditorium, Pitzer, followed by a discussion with Professors Geoffrey Herrera, Brinda Sarathy, and Dwight Whitaker.

Last 3 days of solar output

What do you think caused the "strange" behavior today? Peter Saeta 2011 February 08 at 08:39 PM PST

Tree Trimming

Two rounds of tree trimming cut down on small amounts of shade falling on the panels in the afternoon.