The Wireless energy transfer reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Wireless energy transfer

Wireless energy transfer is wireless transfer of electromagnetic energy via electrical induction.

It is used in various devices, such as the transcutaneous energy transfer (TET) systems in artificial hearts like AbiCor. TET systems work by transmitting electromagnetic energy through the skin from an external power source by running a large AC current through an external coil to generate a magnetic flux. The changing magnetic flux causes an internal coil to induce a current.

The building of a global wireless energy distribution system called the Wardenclyffe Tower was started almost a century ago by Nikola Tesla, but was abandonded because of lack of funds.

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