When the LED is immersed in the liquid nitrogen, the colour changes!
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The ion wind from the sharp tip of a charged conductor causes the conductor to move.
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A switching electric field makes a bell ring!
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You can bend a beam of electrons with an applied magnetic field to make a great demonstration of the Lorentz Force.
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This simple demonstration shows a strong magnet can cause current to flow in a coil of wire.
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Study Science @ SMU!
A podcast that reviews the
Voyager Golden Record!
