to power a rail gun you need power needed to power 3 modern battleships
32,000,000 joules is around 7.6 megatons which is half of a nuclear bomb dropped at Hiroshima
32,000,000 joules is around 7.6 megatons which is half of a nuclear bomb dropped at Hiroshima
Fucking hell
First of all, the bomb dropped at Hiroshima was 15 kilotons of TNT.
Source.
Also, 15 kilotons of TNT is 63 Tera Joules. That is 63,000,000,000,000 joules.
(The source is the same).
To put it in other terms, the Hiroshima bomb was nearly 2 million times more potent than the Rail Gun energy figure Adam gave.