X-Message-Number: 25561 From: Michael Jennings <> Subject: Background Radiation Date: Mon, 17 Jan 2005 03:03:00 +0300 Does anyone have some figures on the effects of background radiation (0.05 microSievert/hr at sea level) - along with an assorted echelon of other particles, such as cosmic rays and neutrons) causing damage inside cryogenically frozen materials? I've seen people here state that all aging and chemical reactions stop in LHe and LN2 - this is of course not true ... Rate This Message: http://www.cryonet.org/cgi-bin/rate.cgi?msg=25561