Assertion: red led | /r/HasProperty | made at stanford university
Facets:
value: by wally rhines
type: OTHER
value: in 1972
type: TEMPORAL
value: by herb maruska
type: OTHER
Source sentences:
text: The first blue-violet LED using magnesium-doped gallium nitride was made at Stanford University in 1972 by Herb Maruska and Wally Rhines, doctoral students in materials science and engineering.
text: The first blue-violet LED using magnesium-doped gallium nitride was made at Stanford University in 1972 by Herb Maruska and Wally Rhines, doctoral students in materials science and engineering.