Answer:
Explanation:
NASA - created it
1899 - invented
The earliest infrared thermometer (IRT) was known as the disappearing-filament optical pyrometer. 1899, The first patent for disappearing-filament optical pyrometer: The first patent for the optical pryometer was granted to Morse in 1899.
Answer:
NASA
Explanation:
An infrared thermometer is a thermometer which infers temperature from a portion of the thermal radiation sometimes called black-body radiation emitted by the object being measured. ... Infrared thermometers are a subset of devices known as "thermal radiation thermometers".