What Is a Pith Ball Made of?

Answer

Pith-ball is made up of small non-conductive lightweight ball-like material. It is an electroscope used in testing the presence of a charge on an object by bringing it near the uncharged pith-ball. Pith-ball was invented by John Canton who was a British inventor around 1754.
Q&A Related to "What Is a Pith Ball Made of"
A pith ball is a very small, lightweight object that picks up electric charge quite well. Thanks
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The negative charge repels the electrons on that side of the ball.
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Foam stress balls and athletic foam balls are usually made from polyurethane, which produces a heavy, resilient ball. Foam balls used for arts and crafts are usually made from extruded
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From Wikipedia: The exacting requirements of the billiard ball are met today with balls cast from plastic materials that are strongly resistant to cracking and chipping. Currently
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