SMITHSONIAN - plasma ball -
Science is FUN! The plasma ball generates an electrical potential difference that constantly attempts to even itself out by discharging. The magical streams of plasma will move toward your uncharged finger or react to your favorite song. / Science is FUN! The plasma ball generates an electrical potential difference that constantly attempts to even itself out by discharging. The magical streams of plasma will move toward your uncharged finger or react to your favorite song.
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Plasma globe - Wikipedia
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