Rewritable Holograms At the University of Arizona two scientists have developed rewritable holograms. VIDEO-> Via Gizmodo Facebook Prev Article Next Article Gadgets Checkout these cool gadgets... Related Posts A Knife So Hot It’s a Toaster Foam Printer That Prints Clouds Adding Magnets to Everything You Have Can Be Useful Flying China Saucer When Jet Pack Meets Motorcycle, You Get the Jetovator, Which Shoots Riders 25ft Into the Air Motorized Pool Lounger