Assertion: infrared light | /r/HasProperty | invisible
Facets:
value: to the human eye
type: TRANSITIVE-OBJECT
value: to night vision devices
type: TRANSITIVE-OBJECT
value: typically
type: DEGREE
value: unlike red light
type: OTHER
Source sentences:
text: This infrared light is invisible to the human eye but picked up by sensors on the receiving device.
text: Infrared is invisible to human eyes, but people can feel it as heat.
text: Infrared radiation is invisible but the energy of this region happens to correspond to the approximate level of energy needed to start molecules moving in various ways.
text: Infrared light is invisible to the human eye, but using an IR illuminator does make the user visible to others with night vision.
text: Since infrared light is invisible to the naked eye, it is possible to shine this sort of flashlight in the darkness without being detected — and this is actually one of the biggest draws of the device.
text: Despite infrared light being invisible to the human eye, it can be detected by cameras with special sensors that convert the infrared light into a signal which is then displayed as an image.
text: Unlike red light, infrared light is invisible and has a wavelength of 700 to 1200 nanometers on the electromagnetic scale.
text: Infrared is typically invisible to the human eye, but it can be felt as heat.
text: Infrared, on the other hand, is invisible to the human eye and exists just beyond the visible spectrum.
text: Infrared radiation is invisible to the human eye, but to night vision devices, an IR illuminator functions like a flashlight.
text: infrared radiation is invisible