Photo: Atomic bomb test explosion in Alamagordo, New Mexico, July 16, 1945. AP/Wide World Photos In 1932, James Chadwick discovered the neutron, a small atomic particle with mass but no charge.
"Gadget," the first atomic bomb — a 6-foot sphere with a grapefruit-sized Plutonium core, covered in cables — was born out of the Albert Einstein-inspired Manhattan Project, and was detonated ...
A photo supposedly showing the "atomic shadow" of a human and a ladder that was created when the U.S. dropped atomic bombs above Japan at the end of World War II has been frequently shared online ...
When atomic bombs struck Hiroshima and Nagasaki in 1945, the blinding light and heat from the explosions left only shadows of ...
The Soviet Union detonated its first atomic bomb, known in the West as Joe-1, on Aug. 29, 1949, at Semipalatinsk Test Site, in Kazakhstan. The Soviets called their first atomic test "First Lightning." ...
The story of the atomic bomb. Told through the scientists and spies who changed history. The race to beat the Nazis and stolen secrets. Show more The story of the atomic bomb. Told through the ...
An curved arrow pointing right. North Korea recently claimed to test a hydrogen bomb. Some experts say it is more likely they tested a "boosted" atomic bomb. Although this type of bomb isn't ...
Fukahori represented the bomb victims at a ceremony, making his "pledge for peace," saying: "I am determined to send our message to make Nagasaki the final place where an atomic bomb is ever dropped." ...
When atomic bombs struck Hiroshima and Nagasaki in 1945, the intense light and heat from the explosions left only shadows of ...