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Wireless power - soon reality?


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#1 Helios

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Posted 08 June 2007 - 05:03 PM

Hi there!
Just some current information in the field of wireless power for those of you who are interested in a little physics :P .

Wireless power a reality

The mess of electrical cables that recharge our laptops, mobile phones and PDAs could soon disappear altogether -- at least according to a team of US physicists, who have shown how power can be transmitted without wires using special "resonant" antennas. The researchers used the system to power a 60-W light bulb placed two metres from a wireless transmitter, and say that it could be scaled down for use in portable devices without a loss of efficiency (Science Express doi: 10.1126/science.1143254).

Sources:
physicsweb.org - Wireless power a reality
Scientific American - Wireless Energy Lights Bulb From Seven Feet Away
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#2 Sjoeii

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Posted 10 June 2007 - 10:35 AM

Sounds like rocket science but maybe it is nearer than we think
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