04-04-07, 09:41 AM
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 | Dye my eyes and call me pretty | |
Join Date: Sep 2005 Location: my imagination
Posts: 8,139
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Quote: | Originally Posted by uwila 'cos there's a sensor a few inches away which measures the amount of alpha radiation coming of the 'hot' bit. When there's smoke in the air, the alpha particles get impeded and don't get as far as the sensor. When the level of radiation at the sensor drops, the alarm goes off and wakes the dead in the nearest 3 counties... | Blimey. Thanks  
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Atb, Letz
With the lights out it's less dangerous ... |