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Project idea for all of you! - Hard disk heliograph

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

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

Picture of Project idea for all of you! - Hard disk heliograph
LasVegas10 years ago
Now... There's a concept.... Use a mirror like platter as a mirror?
akimbo m (author)  LasVegas10 years ago
Yes, although i don't know if the hole in the middle of the platter would create any problems.