Assertion: silicon carbide | /r/HasProperty | discovered by two different ways
Facets:
value: from two different countries
type: OTHER
value: nearly simultaneously
type: TEMPORAL
Source sentences:
text: Discovered nearly simultaneously by two different ways, by two different scientists, from two different countries, silicon carbide was the accidental artificial crystalline compound of Silicon and Carbon which, as we know today, is one of the most powerful semiconductors.