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Niccolo Cabeo discovers that electricity can be repulsive as well as attractive.
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Pierre Simon Laplace shows that Lagrange's potential satisfies.
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Laplace gives an explanation of double refraction using the particle theory, which Young attacks as improbable.
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Faraday discovers Faraday's dark space, a dark region in a glow discharge near the negative electrode.
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instead of driving cars, we will be flying them.
