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 TouchScreen Display for Your Bath Rochester Invisibility Cloak Can Hide Three-Dimensional Objects Across a Wide Range of Angles Super Sand Removes Carcinogens From Water in This Filter Water Bounces Off New Super-Hydrophobic Metal Pattern World’s Smallest HHO Generator 2 Australian men came up with a brilliant invention to help clean our oceans