Moved by physics Hans Christian Ørsted identified the link between magnetism and electricity thanks to a compass needle. (Courtesy: TEK Image/Science Photo Library) While giving a lecture on ...

Ampère was playing with wires when he discovered a fundamental law of electromagnetism. Hans Christian Oersted had just discovered the connection between electricity and magnetism. Meanwhile, a ...

ON July 21, 1820, Hans Christian Oersted, of Copenhagen, announced his great discovery to the world in a circular letter in Latin, “Experi-menta circa effectione conflictus electric! in acum ...

In 1820, Hans Christian Oersted gave a demonstration on electricity to a class of advanced students at the University of Copenhagen in Denmark. Using an early battery prototype, he looked to see ...

Google has unveiled a new logo for its search engine to celebrate the anniversary of Hans Christian Ørsted, the Danish physicist and chemist who discovered electromagnetism.

Explore the history and science of magnetism! From magnetite and compasses to Gilbert's discoveries, Oersted's electromagnetism, & Faraday's demonstrations. Learn about magnetic fields and more.