Subject:
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Re: Custom sensor current drain - use two sensor ports?
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Newsgroups:
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lugnet.robotics.rcx
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Date:
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Thu, 30 Jun 2005 17:19:04 GMT
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Viewed:
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4176 times
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In lugnet.robotics.rcx, Philippe Hurbain wrote:
> Uranium or thorium ores are easily found in mineralogic
> collections... very nice radio-sources
Much easier than that - run down to the local camping store and buy some gas
lantern mantles. Unless they've changed something in the last five years or so,
they incorperate a reasonable amount of Th-232 which makes geiger counters click
happily away. No need to even take them out of the plastic packaging (in fact,
probably safer if you don't - there's a reason you're supossed to be careful and
wash after changing the mantle in a lantern).
--
Brian Davis
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