Assertion: infrared light | /r/HasProperty | electromagnetic energy
Facets:
value: at wavelengths
type: OTHER
Source sentences:
text: Infrared is electromagnetic energy at a wavelength or wavelengths somewhat longer than those of red light.
text: Infrared light is electromagnetic radiation with longer wavelengths than those of visible light, extending from the nominal red edge of the visible spectrum at 700 nanometres to 1 mm.
text: They are all electromagnetic waves that travel through space at the speed of light.
text: Infrared radiations are also referred to as heat or thermal waves or electromagnetic waves.