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Ex-Homeless Man Among Eco Heroes

James Burgett started as a homeless Dumpster-diver. He'd build computers out of parts and sell them to feed his drug habit. A company called asking if he wanted 2,000 old desktops.

New York Scientists Unveil 'Invisibility Cloak' to Rival Harry Potter's

Inspired perhaps by Harry Potter's invisibility cloak, scientists at the University of Rochester have recently developed a simple and inexpensive lens device that hides objects from view. With the basic goal of taking light and have it pass around something as if it isn't there, the researchers have created the first simple device that can do three-dimensional, continuously multidirectional cloaking.

'Drones for Good' Offers Flying Ambulance Toolkit

Every year a million people suffer from cardiac arrest in Europe and face a mere 8% survival rate due to slow response times of emergency services. Alec Momont seeks to improve existing emergency infrastructure with a network of drones capable of saving lives. His drone can speed to a location within 1 minute, when it would take an ambulance ten.