Gadget, the world's first atomic bomb, was detonated on the morning of July 6, 1945, changing the course of history. Produced by Noah Friedman. Original reporting by Amanda Macias. Follow BI Video ...

"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 ...

The picture has been widely shared for years and purportedly shows the aftermath of the explosion in the Japanese city.

There are few aspects of science and technology as divisive as atomic power ... a collection of missiles, bombs, aircraft, and even a replica of the tower that held "Gadget" the first nuclear ...

Physicist Norris Bradbury sits next to The Gadget, the nuclear device created by scientists to test ... [+] the world's first atomic bomb, at the top of the test tower at the Trinity Site in New ...