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The mathematician Thales in Greece discovered that amber rubbed with animal fur attracted objects.
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Huang Ti was said to be the first to use a lodestone as a compass.
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He evolved on the experiments of Thales and concluded that amber attracted small objects because of a fatty fluid they contained.
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Found that like amber, many other substances attracted light objects.
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Invented the first machine that could produce electricity in large amounts.
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He discovered that electrical fluid consists of positve and negative charges,
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Proved that lightning is electrical.
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His experiments on electric currents. His work made it possible for us to be able to measure the amount of electricity in a current.
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His work with electricity and magnetisim led to the inventions of the motor, generator, transformer, telegraph, and the telephone.
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Placed a dead frog on an iron plate and then touched the plate with a brass hook. When the hook hit the plate hit frogs leg twitched violently and reasoned that there is electricity in the frogs leg.
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He disagreed with his college Galvani, concluding that there was salt water in the frogs leg. This led him to invent the first battery.
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First to measure the amount of elecricity in a circuit.
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Discovered the relationship between resistance, voltage and current.
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He invented the first practical lightbulb.
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Invented the induction motor, and a system that transmitted alternating current.
