00:09:00
Magnetism and Electricity
This presentation reviews how magnets work and their uses in the world today. It also explains how magnets and electricity are related and what future inventions could come from using magnets.
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00:12:00
The Nature and Physics of Lightning
00:05:00
Measuring the speed of pulses
A short clip showing the experimental measurement of the speed of electrical pulses in a cable - a large fraction of the speed of light.
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