Are your local radio waves clogged with signals from your phone, your microwave, and your neighbor's RFID reader? A new project from Siemens uses white LEDs to transmit wireless signals---and it's fast, with speeds of up to 500MBps, completing obliterating current WiFi standards.

Here's a review of 3D HDTV technologies, covering the latest consumer TVs that let you see images in 3D and what sort of new cabling you'll need to be blown away by images coming out of your screen. What sort of TV to get? Options range from ones that require polarized glasses with shutters, to new TVs that require no special eyewear to see images in 3D.

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