Riptide – All Terrain Vehicle Prototype H&H Industries build Riptide (prototype) for the US Army. Amazing this is built just by a handful of people. Facebook Prev Article Next Article Gadgets Checkout these cool gadgets... Related Posts 3D-printed attachment turns any smartphone into a DNA-scanning microscope Onyx Robot Parachute Umbrella that Predicts Rain These are the World’s First Electric-Powered RocketSkates R5 Portable Record Player from 1982 Eleksen’s "Smart-Fabric" Keyboard