Assertion: radio wave | /r/HasProperty | invisible
Facets:
value: to optical cameras
type: TRANSITIVE-OBJECT
value: to the human eye
type: TRANSITIVE-OBJECT
Source sentences:
text: Even though radio waves are invisible and completely undetectable to humans, they have totally changed society.
text: The common designations are radio waves, microwaves, infrared (IR), visible light, ultraviolet (UV), X-rays and gamma-rays.
text: This process of directing artificial radio waves towards objects is called illumination, although radio waves are invisible to the human eye as well as optical cameras.
text: The common designations are: radio waves, microwaves, infrared (IR), visible light, ultraviolet (UV), X-rays and gamma rays.