This Startup Wants to Use Drones to Drop Blood, Not Bombs A California startup is testing a fleet of delivery drones in the hope of deploying them to deliver blood in rural Rwanda. Facebook Prev Article Next Article Inventions Checkout these cool gadgets... Related Posts 5 Inventions That Are Changing the World Right Now Scientists Make Objects “Invisible” Once Again Frozen Beer Foam Air Quality Monitor Keeps an Eye on Indoor Air Toughest ever heat shields made of springy sponge-like stuff Invention Drops Boats a Few Metres Down and Lifts Them Up