What happened when the Trinity test bomb detonated, from the creation of green glass to fallout that drifted over 1,000 miles

• Scientists set off the Trinity test atomic bomb on July 16, 1945.
• Though they chose a somewhat secluded area of the desert, people lived less than 20 miles away.
• It was impossible to hide the light, noise, shockwave, and fallout from the bomb. 

At approximately 5:30 a.m. on July 16, 1945, the world's first atomic bomb exploded in the New Mexican desert. It was bright, hot, and loud.