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 Glass Is The Future of Data Storage New Technology That Creates Textures on Flat Screens Stingray-like Suspended Tents Liquid Armor Lighter, Thinner and More Efficient World’s Largest Indoor Vertical Farm – Producing 2 Million Pounds Of Food See-through Car Interior