infrared rays
“Infrared Or infrared is an electromagnetic radiation with a wavelength longer than visible waves and shorter than radio waves. Given that red has the longest wavelength, infrared radiation or Infrared It…
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how to use a thermometer
What is a fever? Body temperature is regulated in the human brain and in the hypothalamus. Often the body temperature is between 35 and 37 degrees. But in different people, there is…
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Radiation thermometer
Radiation thermometer Radiation thermometer is a non-contact radiant energy detector. Every object in the world emits radiant energy at any temperature, even close to absolute zero. The amount of radiant energy emitted…
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