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 Teen Invents Solar-Powered Water Purification Machine Furitistic 3-D Camera Room That Can Freeze Memories in Time Catalog Floating on Magnets – Luxury Presentation Laser Scanner Will Allow Passangers to Take Bottled Drinks on Planes Again Solar Highways Researchers are Developing Self-Healing Roads – No More Pot Holes