Related topics: light

'Space-time cloak' to conceal events revealed in new study

(PhysOrg.com) -- The study, by researchers from Imperial College London, involves a new class of materials called metamaterials, which can be artificially engineered to distort light or sound waves. With conventional materials, ...

Moving holograms: From science fiction to reality (w/ Video)

Remember the Star Wars scene in which R2D2 projects a three-dimensional image of a troubled Princess Leia delivering a call for help to Luke Skywalker and his allies? What used to be science fiction is now close to becoming ...

'Slow light' on a chip holds promise for optical communications

A tiny optical device built into a silicon chip has achieved the slowest light propagation on a chip to date, reducing the speed of light by a factor of 1,200 in a study reported in Nature Photonics (published online September ...

Advance made toward communication, computing at 'terahertz' speeds

Physicists in the United States and Germany have discovered a way to use a gallium arsenide nanodevice as a signal processor at "terahertz" speeds, the first time it's been used for this purpose and an important step forward ...

An optical traffic cop for rapid communication

It looks like a piece of gel that slips into the sole of your sneaker, but it's a new nano-based technology that can make computers and the Internet hundreds of times faster -- a communications technology "enabler" that may ...

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