When the LED is immersed in the liquid nitrogen, the colour changes!
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A DC motor made from a battery, wire, and a strong magnet.
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The Classic!
A Van de Graaff Generator is used to make sparks!
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A train travels using electromagnetic fields.
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The ion wind from the sharp tip of a charged conductor causes the conductor to move.
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Study Science @ SMU!
A podcast that reviews the
Voyager Golden Record!
