Robert Oppenheimer invented the Atomic bomb the Hydrogen bomb and helped discover atoms, protons and electrons. The first bomb he designed was the atomic bomb A test atomic bomb was fired in a desert in Mexico. The explosion was equal to 1,800 tons of dynamite, enough to destroy an entire city. The atomic bomb that was dropped on Hiroshima destroyed 70,000 buildings, 90% of all the structures in Hiroshima. During the first fifteen seconds after the bomb dropped …showed first 75 words of 212 total…

…showed last 75 words of 212 total…H- bomb has never been used except for tests. The first test bomb was nick named Mike. The scientists only expected the Mike to create a blast of 1 to 2 megatons or 100 times more powerful than the blast at Hiroshima. Instead it yielded 10.4 megatons that is 500 times as strong as the explosion at Hiroshima! Robert Oppenheimer did many things when he made the bombs, one of which was to teach the world how terrible war is.