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 A sonic tractor beam A bench out of glass that’s as resistant as steel Bird-inspired System Will Make Your Flight Smoother Nobel Prize In Chemistry Rewards Thinking Very, Very Small What is Neuralink – Neural Lace Explained Volvo Semi Truck New Breaking Technology