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Wireless charging of gadgets a possibility
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Thursday November 16, 2006 in: Toys For The Boys
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Technorati Tags: gadgets, technology
In theory of course, according to researchers from the prestigious Massachusetts Institute of Technology. They said wireless charging of cellular phones, mp3 players and laptops can be done, even at a certain distance.
The presentation, which was made on 14th November, showed how wireless electromagnetic energy could power gadgets over distances of three to five meters.
The three MIT researchers have suggested that the principle of resonance, which occurs in musical instruments, can apply to gadgets as well. Professor Soljacic, one of the researchers explained that if two resonant objects with the same frequency are brought close enough to each others' tails of energy, then electromagnetic energy can transmit from one object to another.
In the same way, the resonance of electromagnetic waves will be allowed to radiate, via copper antennae, designed to have long-lived resonance. The antennae could then transfer energy to a laptop with the gadget's own antenna resonating at the same frequency. In this set up, any energy which is not diverted into a gadget will simply be reabsorbed, instead of being scattered in different directions.[tech2]
The scientists, however, have yet to build the needed system to prove their theory right.
Should this possibility become a reality, this is certainly going to be one convenient way of charging our toys.
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