Jerry Cans Germans made these transporting gasoline jugs. They had useful handles (like milk cartons) that let soldiers carry 2 in each can.
Radar The first plan for radio waves was with powerful blast. Radio tech could be found back in 1886.
V- 2 Rocket An original V - 1 rocket was a inaccurate weapon. But, the V - 2 were deadly missiles at the time. They also were used in launching first satellites like the R7 and the Mercury Redstone.
Nuclear Power Power plants that we use now originated from bombs dropped on Japanese cities. The U.S. succeeded in creating a mass of destruction during the Manhattan Project.