Throughout history, nothing has stimulated the creativity of inventors more than warfare, or the threat of war. Many things we take for granted today, such as the Internet, GPS navigation, radar, rockets and nuclear energy all trace their genesis to military applications. Yet for every useful weapon or commercial application that has resulted from war, many other ideas have been discarded. During World War II in particular, many strange weapons were pursued in hopes of turning the tide of war. At the time, they seemed like plausible ideas; in hindsight, some of them seem almost comical. From ancient times through the present day, here are 10 strange weapons of war.