239K views · 1.5K reactions | A war is a great test of endurance for everyone involved. But humankind has always been good at surviving. That’s why major wars have traditionally spurred innovation: from canned food, invented for Napoleon’s army, to microwave ovens, which evolved from a World War II radar prototype. Let’s take a look at some of the things invented or popularized during World War I, including Kleenex, wristwatches, and Pilates. | Sunday Roast | Facebook