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Wireless recharging prototype Nokia phone

Nokia has invented a cell phone that recharges itself using a unique system: It picks up ambient radio waves from the air, and turns that energy into usable power. Different devices that we used in our daily life such as TV sets, radio and other mobile systems emits electromagnetic energy which bounces and scattered around the air and just wasted. Nokia phone picks up all the bits and pieces of waves and then, this collected electromagnetic energy was used to create electrical current that is use to recharge the phone's battery.

On the current tests of Nokia, the wireless recharging phone can harvest all of 5 milliwatts from the air and planning to increase it to 20 and 50 milliwatts which is already enough to slowly recharge the cell phone battery while it's in standby mode.

The technology is said to be commercialized in three to five years. And if that happens, we don't need to worry our mobile phones battery life anymore. Though the harvested ambient electromagnetic energy is not enough to power a whole house, it just might be enough to keep a cell phone alive for the whole day of usage.


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