exit signs are nuclear? - DiscussWorldIssues - Socio-Economic Religion and Political Uncensored Debate

**jojocomok** · 05-11-2009, 12:36 PM

You mean 'radio-active'?
Many things are, most common item is a smoke detector which, IIRC, uses Californium.
There are three types of radiation, Alpha, Beta and Gamma and generally, Gamma is the one to worry about!
Pretty good source of Gamma in the sky, BTW.

05-11-2009, 12:36 PM	#1
jojocomok Join Date Oct 2005 Posts 458 Senior Member	You mean 'radio-active'? Many things are, most common item is a smoke detector which, IIRC, uses Californium. There are three types of radiation, Alpha, Beta and Gamma and generally, Gamma is the one to worry about! Pretty good source of Gamma in the sky, BTW. Share Share this post on Digg Del.icio.us Technorati Twitter
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