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Forgetting that cloak of invisibility - how about a device that hides you in the very fabric of time? New research published in Nature reveals that scientists have successfully hidden an object in both space and time - even if for only for 40 picoseconds. Rather than bending light around the object, their technique creates a temporal hole in light beams where an event can be hidden.

Last week as part of its glitzy annual conference in Long Beach, California, TED awarded its $1 million prize to Sugata Mitra to support his wish to build a "School in the Cloud," a self-organized learning environment based on his "Hole in the Wall" and "Granny Cloud" research. Next week Pearson, the largest and most powerful education company in the world, will publish Dale Stephens' book Hacking Your Education: Ditch the Lectures, Save Tens of Thousands, and Learn More Than Your Peers Ever Will, a personal experience narrative and guide about dropping out of college and making it in Silicon Valley.