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Project idea for all of you! - Hard disk heliograph Answered

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Have anyone created a heliograph using the platter from a hard drive yet?

http://en.wikipedia.org/wiki/Heliograph

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LasVegas (author)2007-01-25

Now... There's a concept.... Use a mirror like platter as a mirror?

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akimbo m (author)LasVegas2007-01-26

Yes, although i don't know if the hole in the middle of the platter would create any problems.

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