Hans Christian Oersted. Coloured portrait of the Danish physicist Hans Christian Oersted (1777- 1851). Oersted studied physical science and pharmacy in Copenhagen,where he later became professor of physics in 1806. In 1820 he showed that the needle of a magnetic compass is deflected when electric current passes through a wire close by. In retrospect his experiment is seen as the foundation of the study of electromagnetism. His discovery (published in 1820) resulted in a whirl of activity in the scientific world. Until then,Coulomb's opinion that electricity and magnetism were completely independent forces had been widely accepted | |
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Crédit: | Science Photo Library |
Taille de l’image : | 2691 px × 3567 px |
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