Scientists Invented The Tractor Beam! Tractor beams used to be an idea used in sci-fi films, but now they have become a reality! Facebook Prev Article Next Article Inventions Checkout these cool gadgets... Related Posts The Sound of Aerogel – World’s Lightest Material Poo Wifi – Free WiFi If You Have Some Dog Poo Norwegian Invents a Perpetual Motion Machine This Door Lock Could Save Lives – Baracuda Lock Systems Turn a Printed Page Into a Touchscreen Stir Desk Automatically Adjusts to Keep You Fit