By: TONY MARKS Editor Today, August 6, marks 81 years since the first atomic bomb was used in war. The bomb leveled four square miles of Hiroshima, Japan, and killed 50 thousand Japanese. Three days later, on August 9, 1945, a second atomic bomb was dropped on Nagasaki, Japan, razing one-third of the city. Total killed was 10,000. This bomb was more powerful than one that blasted Hiroshima. …