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 World’s Largest Indoor Vertical Farm – Producing 2 Million Pounds Of Food Technology has ruined family dinnertime but this device saves it See the World’s First HOLOGRAM Protest in Spain WatchMI: Pressure Touch, Twist and Pan Gestures on Unmodified Smartwatches Nano-Antenna Invisibility Cloak is Capable of Concealing 3D Objects Right Down to the Edges Mannequin Input Device for Intuitive 3D Manipulation