4 ms·
This is called flywheel energy storage, if you're not familiar http://en.wikipedia.org/wiki/Flywheel_energy_storage http://en.wikipedia.org/wiki/Flywheel_energ
by rxw 13y ago
This is called flywheel energy storage, if you're not familiar
http://en.wikipedia.org/wiki/Flywheel_energy_storage http://en.wikipedia.org/wiki/Flywheel_energy_storage