Electromagnets – electricity and magnets

By |2019-05-27T07:14:24-07:00August 16th, 2017|History|

There are electromagnets inside stereo speakers When did people invent electromagnets? In the early 1800s AD, about 200 years ago, scientists in Denmark and Britain figured out another way to make magnets. (These countries had a lot of scientists thanks to colonization, slavery, and control of trade). History of electricity History of slavery Europe's [...]