The Panjandrum, a rocket-propelled explosive cart, was one of the more curious weapons to have come out of World War II. British Government/Wikimedia Commons World War II led to many successful innovations in technology — including weapons. Some however were considered major flops. From explosive rats to a 155-foot-long gun, here are some of the most bizarre weapons from WWII. Unfortunately, war can drive innovation. During World War II, the world's major powers set their sights on advancing technology, medicine, and communications in order to be efficient and fearsome in battle. Some of the advancements made in WWII were fundamental...