Scientists & mathematicians

BriefHistoryTime

Stephen Hawking publishes A Brief History of Time

InĀ A Brief History of Time, Hawking writes in non-technical terms about the structure, origin, development and eventual fate of theĀ universe, which is the object of study ofĀ astronomyĀ andĀ modern physics.

Sturgeon's electromagnet, 1824

William Sturgeon invents the electromagnet

British scientistĀ William SturgeonĀ invented the electromagnet in 1824. Ā His first electromagnet was a horseshoe-shaped piece of iron that was wrapped with about 18 turns of bare copper wire.

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