LED lights build communication network

(PhysOrg.com) -- Imagine a world where bright, energy-sipping, cheap, durable LEDs light the world. A world where if you have enough light to see, you are connected. The University of California, Riverside will lead a multi-campus ...

Physicists develop multifunctional storage device for light

Light is intangible and, in addition, it travels at great velocity. Nevertheless, it can be confined to a very small space by controllably inserting light into a microscopic container surrounded by reflective walls. The light ...

A 'cloaking device' -- it's all done with mirrors

(PhysOrg.com) -- Somewhat the way Harry Potter can cover himself with a cloak and become invisible, Cornell researchers have developed a device that can make it seem that a bump in a carpet -- or, indeed, any flat surface ...

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