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 18:17:21 GMT
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Viewed:
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3943 times
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On 6/30/05, Brian Davis <brdavis@iusb.edu> wrote:
> 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
Also you are likely to get a reasonable reading from Smoke detectors -
though please dont dismantle the one that could save your neck!
Danny
--
http://orionrobots.co.uk - Build Robots
Online Castle Building RPG -
http://www.darkthrone.com/recruit.dt?uid=V30311I30328J30379X30379E30260X30277
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