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Electronic Gadgets for the Evil Genius, 2E : 35 New Do-It-Yourself Projects by Robert Iannini

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CHAPTER 8
Singing Arc
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Overview
This device entertains and amazes. At first, people won’t believe that sound is coming from a plasma arc, and even when they do, they will still have a hard time understanding how it works and how the arc can produce such clear sounds. This is a winning science project.
All figures are available in high-resolution full color as free downloads from www.amazing1.com/eg3.
Hazards
Uses 12 V to power a small inverter that generates an inch of electrical plasma. Will cause a nasty and painful shock if contacted. Eye protection should be worn when making, testing, and operating this device.
Difficulty
Requires intermediate ...

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