Assertion: ultraviolet | /r/HasProperty | invisible
Facets:
value: to the human eye
type: TRANSITIVE-OBJECT
value: typically
type: DEGREE
value: to humans
type: TRANSITIVE-OBJECT
value: mostly
type: DEGREE
Source sentences:
text: Ultraviolet light, also known as UV light, is invisible to humans.
text: This ultraviolet radiation is invisible but contains more energy than the visible light emitted.
text: Accidental UV overexposure can injure unaware victims due to the fact UV is invisible and does not produce an immediate reaction.
text: Ultraviolet is mostly invisible to the naked eye because the human eye can not see below 400nm.
text: Many ultraviolet lamps also emit some visible light along with the ultraviolet, typically visible violet.
text: Ultraviolet radiation: Invisible rays that are part of the energy that comes from the sun.
text: The Ultraviolet Imaging Spectrograph (known to the science team as UVIS) was a box of four telescopes that could see ultraviolet light, which is invisible to the human eye.
text: Though ultraviolet light is invisible to the human eye, scientists used measurements from Cassini's ultraviolet spectrograph to produce pictures we can see.
text: Although ultraviolet light is "invisible", the lamps used to generate UV light emit a significant amount of bluish/white visible light.
text: Ultraviolet radiation is invisible to the human eye, but illuminating certain materials with UV radiation causes the emission of visible light, causing these substances to glow with various colors.
text: Ultraviolet radiation is invisible
text: Ultraviolet radiation is invisible.
text: UV is invisible to human eyes and the effects on skin are not immediate, so the consequences of overexposure can very easily sneak up on someone.
text: It is also called "black light" due to it being invisible.