It also know as the plasma globe. Well, you prob seen one at Spencer Gifts. That scary orb with lightning inside like a mini Tesla coil.
Plasma ball is filled with low pressure gas, mainly neon, and it generates a high voltage inside like a mini Tesla coil or neon sign transformer. This is what causes the spectacular display of color. Hold up a small spring bulb to the HDR plasma ball to see it light up.
Wednesday, April 29, 2009
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