Plasma Ball (15cm)
Plasma Ball (15cm)
Since the 1980s the Plasma Ball is a retro gadget that has mesmerised the masses. Switch it on from the mains powered plug and watch in fascination as the swirls of static electricity pulsate before your very eyes. Using the magic of science, the 15cm Plasma Ball forms a single tendril of plasma leading from the centre of the globe to your hand. Touch the glass and watch how your finger attracts the electrical charges which happens because of the conductive properties of the human body. When you touch the glass, you create a discharge path with less resistance than the surrounding glass and gases.
This plasma ball is sure to spark your interest and is also a fascinating way to demonstrate the concepts of voltage, current, and lightning. Use it as a decorative light or mood light for your mancave or bar. It is also a great gift for guys and geeks alike.
Watch miniature bolts of lightning surge to your touch with the 15cm Plasma Ball. Touch the glass surface of the plasma ball to change the electrical field inside the globe.
- Contents: 15cm electrical Plasma Ball
- Touch activated. Change the electrical field in the ball at a touch!
- Mains operated with 2 pin EU plug supplied. It's not one of those cheap USB powered ones
- Suitable for ages 12+
- Great gift for guys and geeks
Sensory toys with lights can help support developing visual senses. Visual sensory toys can create a playful and soothing environment that’s great for self-regulation.
What is a plasma ball?
A plasma ball, plasma globe, plasma lamp, plasma dome, or plasma sphere — is a clear glass ball filled with a mixture of noble gases with a high-voltage electrode at its center. Plasma filaments extend from the electrode to the glass when electricity is supplied, creating fascinating beams of colored light.
The plasma ball was invented by Nikola Tesla when he was experimenting with high-frequency electric currents in a glass vacuum tube. That's why the electrode at the center of a plasma ball is also often known as a Tesla coil. The modern plasma balls popular as novelty and educational items today were first designed by Bill Parker.
Why does a plasma ball follow your finger?
This phenomenon occurs because of the conductive properties of the human body. When you touch the glass, you create a discharge path with less resistance than the surrounding glass and gases.
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