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Who Invented the Plasma Ball?
Image: iStockphoto.com/sb-borg

Who Invented the Plasma Ball?

Based on an 1894 design for an incandescent electric light, the plasma ball you might play with is more than just for fun.

The inventor Nikola Tesla built a clear glass globe of low-density gases so he could study high-voltage phenomena. The electrode in the midst of the gases makes them glow and flow in random streams of moving light.

eHow

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