On 4/15/2011 20:05, Patrick Elliott wrote:
> There is a battery for small devices in the works that "does" that. The
> problem, in most cases, is that its not the radiation that is used, its the
> heat. That is why the reactors are made the way they are.

You can do it for small stuff with thermocouples. That's what's running 
things like the voyager space ships. Stick a lump of uranium next to two 
different types of metal pressed together, and bingo instant current. But it 
only generates a couple of watts that way.

-- 
Darren New, San Diego CA, USA (PST)
   "Coding without comments is like
    driving without turn signals."

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