Tesla's Lamp Plasma Ball

Energy/Physics

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Science doesn't get any cooler than this - Tesla's plasma ball is a lamp and science experiment in one, as it's a colourful way of observing electrical discharges. The globe itself is filled with three inert gases (neon, argon and xenon), and a high frequency alternating current electrode is in the centre. Place your fingertips on the lamp and watch the filaments glow.


15cm high


 


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