The march of invention has clothed mankind with powers of which a century ago the boldest imagination could not have dreamt.
– Henry George
During the morning rush hour on March 20, 1995, the Japanese cult Aum Shinrikyo placed packages on five subway trains converging on Tokyo’s central station. When punctured, the packages spread vaporized Sarin through the subway cars and then into the stations as the trains pulled in.
– Barton Gellman