Description:
Lightweight pith balls help to show electrostatic attraction and repulsion.
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Description:
Just messing around with a Tesla Coil...
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Description:
When the LED is immersed in the liquid nitrogen, the colour shifts from orange to yellow to green.
Description:
In a generator, fuel is burned to turn an armature which changes the amount of magnetic field through a coil of wire. This change in the amount of field makes a current flow in the coil. This effect can be observed with this simple demonstration in which a strong magnet causes current to flow in a solenoid.
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Description:
The ion wind from the sharp tip of a charged conductor causes the conductor to move.
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