Admit it. Youd love to own an invisibility cloak. Everyone, from boy wizards to intergalactic safari hunters, has at least one invisible cloak in their wardrobe, but what about us poor saps in the real world? Well, science has some good news for you: Invisibility cloaks are a reality. 1. First up, well look at some wonderful carbon nanotube fashions . This new technology is inspired by the same natural phenomena responsible for desert mirages. Heated via electrical stimulation, the sharp temperature gradient between the cloak and the surrounding area bends light away from the wearer. The catch: Wearers must love water and be able to fit inside a petri dish. 2. Or perhaps youd prefer something made from metamaterials. These tiny structures are smaller than the wavelength of light. If properly constructed, they guide rays of light around an object -- much like a rock diverting water in a stream. For now, however, the technology only works in two dimensions and only comes in the ultrapetite size of 10 micrometers across 3. Theres also the optical camouflage technology developed by scientists at the University of Tokyo. If you want people to see through you, then why not just film whats behind you and project it onto your body? If you travel with an entourage of videographers, this may be the cloak for you.
Posted on: Sat, 03 Jan 2015 14:57:30 +0000
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