Wireless charger powers up iPhone in your pocket

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A team led by CSAIL's Dina Katabi has developed a wireless device that can charge cell phones at a distance.

Existing technologies require that a phone be right next to a charging pad, often in a very specific position, but with MagMIMO, an iPhone can re-charge in under 5 hours, from a distance of 30 centimeters, in any orientation whatsoever.

MagMIMO harnesses the power of magnetic fields: an array of wire coils generates a magnetic field and when a phone disrupts the field, MagMIMO focuses on the phone by creating a slightly different field with each coil. The fields reinforce each other to maximise the strength of the overall field reaching the phone.

Read more in the New Scientist: http://bit.ly/Zf223q