Category:Perpetual motion machines
From Wikimedia Commons, the free media repository
Perpetual motion machines are supposed to be machinery that would give unrestricted free energy, preferably in support of other machines. According to modern scientific understanding, they are impossible.
Subcategories
This category has the following 3 subcategories, out of 3 total.
F
M
P
Media in category "Perpetual motion machines"
The following 38 files are in this category, out of 38 total.
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