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The Tesla coil is a high-frequency resonant transformer circuit capable of generating high-voltage, low-current electricity. This fascinating invention, attributed to Nikola Tesla, is often used for ...

ArcAttack of Austin, Texas used two custom built singing Tesla coils modified to play musical notes by modulating their spark output.

In a recent precedential opinion, the United States Court of Appeals for the Federal Circuit affirmed that a patent application constitutes prior art as of its filing date, not its publication date.