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 New Light-Controlling Sheet Paves Way For Faster Mirror To Window Glass Change A sonic tractor beam The Future Is Here and it is Made Out of Glass – Part 2 Mouthpiece Turns Polluted Air Into Mineral-Infused Air Bar Urinal Can Tell If You are Drunk Low-Res Screens Transformed into Higher-Res with Vibration