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قديم 10-06-2009, 05:46 PM   #10 (permalink)
ME&theOther
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Thumbs up Nokia hopes to create a device that could harvest enough power to keep a cell phone t




Nokia hopes to create a device that could harvest enough power to keep a cell phone topped up.

Nokia Developing Wireless, Accessory-Free Ambient Charging







Engineers at Nokia have hatched a plan to for a system that'll charge phones using nothing more than ambient electromagnetic radiation, or, as you and I might put it, electricity sucked from thin air.



It sounds a little sci-fi at first, but it's not: RFID tags are powered by electrical signals converted from electromagnetic waves emitted by a nearby sensor machine, which is exactly how this system is said to work. The thing is, the amount of electricity involved here is tiny, and Nokia's system won't even have a base station—it'll draw from ambient electromagnetic waves, meaning Wi-Fi, cell towers and TV antennae. Nokia hopes to harvest about 50 milliwatts—not quite enough to sustain a phone, but enough to mitigate drain, and slowly charge a handset that's been switched off.

Current prototypes only gather about 5 milliwatts, which is essentially useless, and scientists and industry experts just don't see the technology maturing to the point that Nokia wants it to, at least in the near future. But the company's researchers are standing strong



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l! Literally, figuratively, mentally, hypothetically, theoretically, empirically, anthropologically, philosophically, psychologically, professionally, romantically, existentially, schematically, fatalistically, metaphysically, physically, spiritually, phenomenologically, artistically, analogically & seriously .. it is pitiful !l

The more you see, the more you'll understand life's ly's ..

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