3 ms·
And this (Magnus effect), which still amazes me: https://en.wikipedia.org/wiki/Rotor_ship https://en.wikipedia.org/wiki/Rotor_ship
by Tempest1981 8y ago
And this (Magnus effect), which still amazes me: https://en.wikipedia.org/wiki/Rotor_ship https://en.wikipedia.org/wiki/Rotor_ship