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Intel Demos Bizarre Tesla-esque Wireless Power Transmission System
Written by Daniel   
Monday, 25 August 2008 12:03

 Intel rounds off its developers forum with a wild new upcoming tech
Jason Mick (Blog) - August 22, 2008 9:25 AM

Wireless is one of those hot tech catch-alls of the new millennium. There's wireless broadcasters and receivers, utilizing such technology as WiMax, 802.11n, and Bluetooth. There's wireless gaming controllers. There's just about wireless everything -- except power transmission.

Wireless power transmission is something that inventor Nikolai Tesla came up with over a century ago and claimed to have perfected. However, his mysterious work vanished with his death, and for decades the topic was left untouched. Now there has been a resurgence in interest with several companies competing to becoming the first to offer commercially broadcast wireless power.

Justin Rattner, Intel’s chief technology officer describes, "Something like this technology could be embedded in tables and work surfaces, so as soon as you put down an appropriately equipped device it would immediately begin drawing power."

A computer-powering desk is just what Intel is cooking up in fact. It says a desk with embedded transmission equipment could power laptops and eliminate the need for messy cables and proprietary connectors.

The new tech was first developed by Massachusetts Institute of Technology physicist Marin Soljacic. Professor Soljacic came up with the idea of transmitting wireless power via resonant magnetic fields. He calls the invention WiTricity, a blend of the words wireless and electricity. The work relies heavily on the electric concept of induction. Induction is already used commercially on a limited scale, to recharge certain powered toothbrushes.

Intel helped improve upon MIT's design, bringing the efficiency up from 50 percent to 75 percent. Internally, Intel is speculating that the device may permit and work with the shift from batteries to supercapacitors. While currently more expensive, supercapacitors could allow faster recharging. Mr. Rattner states, "In the future, your kitchen counters might do it. You’d just drop your espresso maker down on them and you would never have to plug it in."

Intel calls its new technology a "wireless resonant energy link". It uses transmitting loop antennas, less than 2 feet in diameter.  [DailyTech...]   {Comments...]

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