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electromagnetic waves

WITRICITY: VOTING QUESTION: CONVERSION OF ELECTROMAGNETIC WAVES IN TO ELECTRICITY ANY GROUP OF ENGINEERING WORKING ON THIS? EXPL

can any one inform me weather they can find such a group who is trying to convert electromagnetic waves in to electiricity or trying to transmit electic power wireless even on experiment basis can inform me i want to discuss on net Witricity: explain witric..

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WITRICITY: VOTING QUESTION: CONVERSION OF ELECTROMAGNETIC WAVES IN TO ELECTRICITY ANY GROUP OF ENGINEERING WORKING ON THIS? EXPL

can any one inform me weather they can find such a group who is trying to convert electromagnetic waves in to electiricity or trying to transmit electic power wireless even on experiment basis can inform me i want to discuss on net Witricity: explain witric..

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5.1. Evanescent wave coupling

In 2006, Marin Soljačić and other researchers at the Massachusetts Institute of Technology discovered a new way to wirelessly transfer power using non-radiative electromagnetic energy resonant tunneling. Their theoretical analysis showed that by sending electromagnetic waves around in a highly angular waveguide, evanescent waves are produced which carry no energy.

1. Introduction

In 1825 William Sturgeon invented the electromagnet, a conducting wire wrapped around an iron core. The principle of EM induction — that a changing magnetic field can induce an electrical current in an adjacent wire — was discovered by Michael Faraday in 1831. Combining these two discoveries, Nicholas Joseph Callan was the first to demonstrate the transmission and reception of electrical energy without wires. Callan’s 1836 induction coil apparatus consisted of two insulated coils — called the primary and secondary windings — both placed around a common iron core.

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