MIT discovery could unplug your Apple iPod forever

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By cgull8m

1. Power from mains to antenna, which is made of copper 2. Antenna resonates at a frequency of 6.4 MHz, emitting electromagnetic waves 3. “Tails” of energy from antenna “tunnel” up to 5m (16.4 ft) 4. Electricity picked up by laptop’s antenna, which m
1. Power from mains to antenna, which is made of copper 2. Antenna resonates at a frequency of 6.4 MHz, emitting electromagnetic waves 3. “Tails” of energy from antenna “tunnel” up to 5m (16.4 ft) 4. Electricity picked up by laptop’s antenna, which m

MIT researchers demonstrate wireless electricity theory by powering up an incandescent light bulb without connecting any wires between the bulb and the power source. Up to 2 meters distance, the devices can be recharged wireless.

The latest technical advance out of MIT could dramatically change the drudgery of recharging portable devices: An MIT research team has figured out how to wirelessly illuminate an unplugged light bulb from seven feet away.

MIT scientists call this new technology WiTricity or wireless electricity. More details about this technology are scheduled to be reported today in Science Express, the advance online publication of the journal Science, the Massachusetts Institute of Technology said.

MIT physicist Marin Soljacic had previously demonstrated this Wireless Electricity concept shown below. He sketched out how any devices from iPods to laptops can be wireless recharged by using a designed magnetic field to deliver power to such devices from a range of 10 to 15 feet.

Now, Soljacic and a research team have some data to begin confirming this wireless electricity theory. They proved it by lighting a 60 watt light bulb from a power source two meters away with no electrical wires between the power source and the light bulb.

If they prove it successfully, consumers can use all their devices wirelessly, and all the rechargers replaced by a single device that transmits power wirelessly.

Philips Company is also working with another scientist John Shearer in charging the devices wirelessly via radio waves.

This will help us in the future to charge devices on the go without worrying about wires or connecting them to cradles for recharging.

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TommyGuy profile image

TommyGuy  says:
16 months ago

wow! That is one very timely innovation. However, I suspect, in a long run, there might be some issues, especially concerning health that will arise alongside this teachnology. What do you think?

cgull8m profile image

cgull8m  says:
16 months ago

Tommy, I think we will be fine, already we are bombarded with so much with cellphone radiation, electric radiation. The researchers for this discovery said humans are not affected, so hopefully there should be no problems. Before they get approval from the Government, they have to prove that it is safe.

Annalene profile image

Annalene  says:
16 months ago

All of this is very dominating! All I can say is, from a vanity point of view, I hate the back view of my computer, not to talk about behind the media, and theater cabinet, and I’m sure it will eliminate the danger of wires short circuiting and setting everything ablaze! That is just my ‘girlie’ opinion

cgull8m profile image

cgull8m  says:
16 months ago

Great point Annalene, I don't think so even the researchers would know about this advantage. It definitely eliminates the danger of fire and shocks.

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