50 GRAMSThe bomber’s underwearhttp://www.americablog.com/2009/12/abc-gets-photos-of-bombers-explosive.html[ABC] It is a six-inch long packet of the high explosive chemical called PETN, less than a half cup in volume, weighing about 80 grams.A government test with 50 grams of PETN blew a hole in the side of an airliner. . . .How much is 50 grams? About three tablespoonshttp://wiki.answers.com/Q/