Assertion: magnetism | /r/CreatedBy | electron
Facets:
Source sentences:
text: In the 20th century, it became clear that magnetism was caused by electrons moving inside atoms and creating magnetic fields all around them.
text: Magnetism is caused by electrons orbiting and spinning inside atoms.
text: Magnetism is caused by electrons (the negative particles in atoms that are also electric charges) spinning.
text: Magnetism is caused by electrons (the negative particles in atoms that are also electric charges) spinning.