USSR's Big Bang Anniversary

Forty-eight years ago today, the U.S.S.R. (today known as The Russian Federation) tested the largest thermonuclear weapon ever. This bomb known as the Tsar Bomba had a capacity of 100-megatons of TNT. Damage was observed as far away as about 600 miles. Good thing it was only effective enough to be equivalent to 50-megatons. Those were the days.....