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Technology has done more good than harm

How does it work?

"We're going to transfer power without any kind of wires," says Dr Hall, now Chief Technology Officer at WiTricity, a startup developing wireless "resonance" technology.
"But, we're not actually putting electricity in the air. What we're doing is putting a magnetic field in the air."
It works like this: WiTricity builds a "Source Resonator," a coil of electrical wire that generates a magnetic field when power is attached.

If another coil is brought close, an electrical charge can be generated in it. No wires required.
"When you bring a device into that magnetic field, it induces a current in the device, and by that you're able to transfer power," explains Dr Hall.
And like that, the bulb lights up.

Don't worry about getting zapped: Hall assures that the magnetic fields used to transfer energy are "perfectly safe" -- in fact, they are the same kind of fields used in Wi-Fi routers.
In the future, wire-free energy transfer could be as easy as wireless internet.
If all goes to WiTricity's plans, smartphones will charge in your pocket as you wander around, televisions will flicker with no wires attached, and electric cars will refuel while sitting on the driveway.

WiTricity has already demonstrated the ability to power laptops, cell-phones, and TVs by attaching resonator coils to batteries -- and an electric car refueler is reportedly in the works.
Hall sees a bright future for the family without wires:
"We just don't think about it anymore: I'm going to drive my car home and I'm never going to have to go to the gas station and I'm never going to have to plug it in.
"I can't even imagine how things will change when we live like that."

In the next future, you are not enable to carry phone charger about or be looking for were to plug your television to watch a football match, wireles has reduce the strengnt of a dying electrical gadget at home and it can really help to maintain steady light.
If at no cost it will surely reduce the act of fire out range been caused by electrical wires.

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