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 MotivPro – Vibrating Suit to Help Athletes Perform Jet-Injected Drugs – No Needles Modular Sprite drone is shaped like a thermos for better portability No-Contact Bicycle Dynamo Lighting Super-efficient floating solar plant Mogees Turns Everything Into a Musical Instrument