Assertion: radiation | /r/HasProperty | differentiated into beta rays
Facets:
value: in 1899
type: TEMPORAL
value: by ernest rutherford
type: OTHER
value: through simple experimentation
type: MANNER
Source sentences:
text: The radiation from pitchblende was differentiated into alpha rays (alpha particles) and beta rays (beta particles) by Ernest Rutherford through simple experimentation in 1899, but these proved to be charged particulate types of radiation.