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Amazing pencil drawings by the very talented Ada Muntean

Boris Pelcer

Lovely illustrations to discover over at Boris Pelcer’s on-line portfolio

“Sweet Home Alabama” – Musical Tesla Coils

These are two gigantic solid state musical Tesla Coils. A Tesla Coil is a special type of transformer invented by Nikola Tesla that is able to generating extremely large voltages using a phenomenon known as electrical resonance. Each coil in this video is capable of generating a 13 foot spark. This equates to about 500,000 volts of electricity. Via the dailywhat

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