magnetism

/Tag: magnetism

European science in the 1800s

By |2019-06-02T15:49:47-07:00August 7th, 2017|Modern Europe, Science|

European boys at school in the 1800s More schools and more scientists In the first half of the 1800s AD, countries in northern Europe like France and Britain forced other countries to give them food. European armies conquered India, Ghana, Nigeria, Canada, and other places. Europe made those places poorer while Europe got richer. Enlightenment science Colonization and empire African-American [...]

What is iron? Atoms, elements, chemistry

By |2018-04-24T14:46:24-07:00June 2nd, 2017|Chemistry|

Diagram of an iron atom When a red giant star finishes changing all of its helium into carbon and oxygen, it then starts to turn the carbon and oxygen atoms into iron atoms. Iron is the heaviest kind of atom that a star can make, so when a star has made most of its carbon and oxygen [...]