Invisibility cloak to improve cellular communications

Remember that first time you saw Harry Potter slip on his invisibility cloak? Now, the wizarding world meets the cellphone world as scientists at Duke University have developed an invisibility cloak. The cloak, made up of material that can bend light, takes electro-magnetic waves and routes them around an object and re-connects on the other side. The process is like detouring around a large animal that will not budge from the highway. The effect is similar to the mirage you see on the road during a hot day when objects on the road ahead of you seem to vanish. Wireless communication can be improved by using the cloak to remove objects that are causing interference on a network. Another use can be to prevent harmful waves from entering into a network by using the cloak as a shield. This use can also shield communications from getting hacked into and perhaps prevent conversations from being eavesdropped on. And, if you're bored, you can always slip on the cloak and sneak around through Hogwarts.

source: CNET

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