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 Vest Could Save a Biker’s Life Lumo Projects an Interactive, Motion-sensitive Game Experience onto Walls and Floors Roads that Glow in the Dark 7 Incredible Solar Powered Creations Frozen Beer Foam A New Type of Axe Shows Us an Easier and Smarter Way to Chop Wood