The tangle of cables and plugs needed to recharge today's electronic gadgets could soon be a thing of the past.
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Wednesday, November 15, 2006
Physics promises wireless power
HOW WIRELESS POWER COULD WORK
1) Power from mains to antenna, which is made of copper
2) Antenna resonates at a frequency of 6.4Mhz, emitting electromagnetic waves
3) 'Tails' of energy from antenna 'tunnel' up to 5m (16.4ft)
4) Electricity picked up by laptop's antenna, which must also be resonating at 6.4Mhz. Energy used to re-charge device
5) Energy not transferred to laptop re-absorbed by source antenna. People/other objects not affected as not resonating at 6.4Mhz
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