|Intl. Notebook||Jul 16 2010|
At top is a photo of the first atomic device, a plutonium bomb nicknamed Gadget, detonated in a test known as Trinity, at White Sands Proving Ground, aka White Sands Missile Range, New Mexico. The second photo shows the bomb's fireball at six-hundred feet in diameter 0.016 seconds after detonation, releasing energy roughly equal to 20 kilotons of TNT. The Trinity blast is considered the beginning of the nuclear age, today in 1945.