Friendly Company: The vuvuzela's characteristic buzzing sound hits the register at a B-flat, the same note that emanates from a supermassive black hole. Rajesh Jantilal/AFP/Getty Images hide caption

itoggle caption Rajesh Jantilal/AFP/Getty Images
Gregoire Vion

Night turned into day on July 9, 1962, when the U.S. government exploded a hydrogen bomb 1,000 times more powerful than the bomb that hit Hiroshima above Earth's atmosphere. This is a sunset you don't ever want to see. Terry Luke/Honolulu Star-Advertiser hide caption

itoggle caption Terry Luke/Honolulu Star-Advertiser