Lithium-7 is some exotic stuff, folks. Anyways, it's funny that this thing was way bigger than expected, yet less than 1/3 the size of Tzar Bomba, which itself

Lithium-7 is some exotic stuff, folks. Anyways, it's funny that this thing was way bigger than expected, yet less than 1/3 the size of Tzar Bomba, which itself was down rated by 50%!