Zero to sixty gigawatts in four milliseconds = one nasty explosion . And, it happened only 644 miles away from River City , over in Arco, Idaho, in 1960. That wasn't the first meltdown; that happened in California , 30 miles from LA , the year before. And, it wasn't certainly wasn't the first atomic fatality; discounting acts of war, there was the Manhattan Project criticality accident in 1945, X-ray and radium fatalities, and other deaths unknowingly caused by natural radioactives (not to mention the growing body of evidence of a series of dirty bomb tests on concentration camp victims and POWs in Thuringia, or the recently revealed Japanese A-bomb project , near the uranium mines near Chosen in ten-Japanese-occupied North Korea, according to the History Channel . The leading theory is the SL-1 explosion was caused by a fatal atomic love triangle; the jilted husband yanked out the control rod running the reactor less than 20" , and in less than a second, his