Can tidal forces rotate a (metal) wheel here on Earth? Just like the Foucault pendulum, but without any energy input other than the Earth-Moon-Sun gravity/rotations?
How this could be done?
EDIT:
A discussion has stated here:
http://lesswrong.com/lw/p6l/open_thread_june_26_july_2_2017/duir
protokol2020 
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