"The most original experimenter the world has ever seen is lecturing before a distinguished audience at the Royal Institution in London. He shows that when a magnet is brought suddenly near a coil of wire a slight current of electricity is produced in the wire. The experiment is not very impressive; and a lady probably voiced the feelings of most of the audience when she asked afterwards, 'But, Professor Faraday, even if the effect you explained is obtained, what is the use of it?' The memorable reply was, 'Madam, will you tell me the use of a new-born child?'"

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