Saturday’s post mentioned Tesla coils, invented by the innovative genius Nikola Tesla. Tesla coils produce very high voltage, but low current AC electricity, and can be used to produce some amazing displays of electrical arcs (without electrocuting anyone). They can also be used to transmit electrical current without wires.
Here’s a great (though somewhat self-promotional) photograph of Tesla reposted from wikipedia:
(http://en.wikipedia.org/wiki/File:Tesla_colorado_adjusted.jpg)
Go check out Tesla’s wikipedia entry. Amazing inventions, heated rivalries, and historical figures abound.
Alexander Szewczak 
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