It ended WWII & the world entered the "Atomic Age."
First hydrogen bomb then nuclear missiles but they are never used because of the dropping of the atomic bombs on japan...
Now those two cities have radioactivity in them since the bombs were dropped.
If you are referring to the dome, its remains are now named the Hiroshima Peace Memorial. It was destroyed back in August 6 1945 with the dropping an atomic bomb over Hiroshima.
Back to normal.
Although your question is vague, atomic bombs have come and gone in terms of technology. We now have conventional weapons that are more powerful than the atomic bomb.
Brains, genius, atomic bomb.
People should care about the atomic bomb attack because that is how WWII ended. It's a big deal considering that America was once allies with Japan and now they turn on the American citizens, so America decided to turn back on them and drop the Atom Bomb, or "Atomic Bomb".
USA and Canada because Canda has the World Second largest Uranium deposit that is a necessary to make atomic bomb and close to USA, just directly above USA. (Regardless of Little Boy, an Uranium Bomb or Fat Man , a Plutonium Bomb that is used to be naturally occured , now extinct element that needs to be man-made from Uranium to decay into Plutonium inside the nuclear reactors.)
Yes there are a number of countries that have atomic wepons. However since WW2 an atomic bomb has never been set off in anger.
Most people think so. Even the Japanese were grateful for the bomb because they were so tired of the war. President Truman believed the bomb will end the war sooner and save a lot of lives.
first of all, there are many chemicals in the bomb, which affects the lungs greatly. people now that dealed with them, are developing problems.
Now that the effects of nuclear weapons are known, nobody wants to use it.