ELI5: Explain Like I'm 5

Tsar Bomba

The Tsar Bomba was a very powerful nuclear bomb tested by the Soviet Union in 1961. It was so powerful that it was the strongest bomb ever made. It was so strong that the blast from the bomb was so powerful that it destroyed everything around it for miles. Scientists measured the energy of the bomb and said it was 3,800 times more powerful than the two bombs the United States dropped on Japan in World War II, which ended the war. The Soviet Union made the bomb to show their strength to the United States, but they only tested it once and said they never wanted to use such a powerful weapon again.