Assertion: light | /r/CapableOf | travel in one direction
Facets:
Source sentences:
text: In many lasers all the light travels in one direction, so it stays as a narrow beam of Collimated light that does not get wider or weaker as most sources of light do.
text: By using an electric field to control how the light is created, this light will now be one kind, going in one direction.
text: All the light travelling in one direction and reflecting from the mirror is reflected in one direction; reflection from such objects is known as specular reflection.
text: All the light travelling in one direction and reflecting from the mirror is reflected in one direction; reflection from such objects is known as specular reflection.