They dropped an atomic bomb on Hiroshima.

They know how to make an atomic bomb.

An A-bomb is a terrible weapon.

We should never use an atomic bomb again.

The first atomic bomb was dropped on Japan.

Atomic bombs are a danger to the human race.

The atomic bomb is the offspring of 20th century physics.

Science produced the atomic bomb.

An atomic bomb was dropped on Hiroshima in 1945.

The small crowd at Hiroshima Peace Memorial Park stood for a moment of silence at 8:15 a.m., the exact moment an atomic bomb nicknamed “Little Boy” was dropped from the U.S. warplane Enola Gay.