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Perpetual motion machine
Inventors have been long mulling over the idea of constructing a device which would work forever once it was started.
02:08
Physics
Grades 1 – 10
mozaLink
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Inventors have been long mulling over the idea of constructing a device which would work forever once it was started.
02:08
Physics
Grades 1 – 10
mozaLink
/Weblink