4 ms·
If a plane of this had graphene strips on it, that could unravel and have static charge opposit to the earth. How long would that "parachute" have to be, how he
by sparrowInHand 3y ago
If a plane of this had graphene strips on it, that could unravel and have static charge opposit to the earth. How long would that "parachute" have to be, how heavy would it be?