Assertion: newton | /r/CapableOf | investigate the refraction of light
Facets:
value: during this period
type: TEMPORAL
Source sentences:
text: During this period he investigated the refraction of light, demonstrating that the multicoloured spectrum produced by a prism could be recomposed into white light by a lens and a second prism.
text: From 1670 to 1672, Newton continued to lecture on optics and investigated the refraction of light, demonstrating that the multicoloured spectrum produced by a prism could be recomposed into white light by a lens and a second prism.