Assertion: spin | /r/HasProperty | added
Facets:
value: no longer
type: TEMPORAL
Source sentences:
text: Once the yarn is the desired thickness, enough twist is added to make the yarn strong.
text: In 1928, Paul Dirac's famous relativistic equation for the electron, the Dirac Equation, produced electron spin as a natural consequence of quantum physics: spin was no longer an add-on.