These Window Curtains Use Sand When you see it you will ask yourself why you didn’t invent it and why was this not commercialized before. Facebook Prev Article Next Article Inventions Checkout these cool gadgets... Related Posts This Door Lock Could Save Lives – Baracuda Lock Systems Iron Man Becoming Real (Richard Browning, Gravity Industries) Sensor Tech Brings Gesture Based Computing To Everyday Objects Japanese Team Invents a Speech Stopping Device Scientists just accidentally figured out how to turn CO2 into fuel The Wind Catcher invention