July 28, 1957, Over the Atlantic Ocean - A C-124 transport aircraft that was having mechanical problems jettisoned two nuclear weapons without their fissile cores off the east coast of the United States.
That is thefirst event in the list below.
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Tthe last hydrogen bomb was set of 1991 under the Nevada desert.
We won't know that for several years, if ever.
The first atomic bomb, developed by the Manhattan Project during World War II, was set off on July 16, 1945, in the New Mexico desert.
US, July 16, 1945, Trinity site, NM, in what is now White Sands Missile Range
An atomic bomb puts out many kinds of energy: Heat Light Radio waves Electrical And as these energies move outward, they in turn trigger many other types of energy.