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Infrared is electromagnetic radiation with wavelengths longer than visible light but shorter than microwaves. It has various uses in science, industry, military and medicine, and can be emitted or absorbed by molecules changing their vibrational states.
18 wrz 2024 · infrared radiation, that portion of the electromagnetic spectrum that extends from the long wavelength, or red, end of the visible-light range to the microwave range. Invisible to the eye, it can be detected as a sensation of warmth on the skin.
10 sie 2016 · Infrared waves are part of the electromagnetic spectrum that humans can detect as heat. Learn how infrared waves are used to study the universe, the Earth, and everyday objects with NASA's images and explanations.
16 sie 2013 · Infrared is a form of light... light that we can not see with our eyes, but that we can sometimes feel on our skin as heat. When we think of light, we may imagine the glare of the Sun on a summer day, or the soft glow of a light bulb at night.
27 lut 2019 · Infrared radiation is a type of invisible heat energy that all objects emit and that we can feel. Learn how infrared radiation works, what are its applications and how it is used to study the universe.
Learn about infrared radiation, a type of radiant energy with longer wavelengths than visible light but shorter than radio waves. Find out how it affects our bodies, the atmosphere, and the Earth's climate, and how it is used in various applications.
Infrared radiation refers to electromagnetic radiation with wavelengths between microwave and visible light, ranging from 0.78 to 1000 μm. It is not directly visible to the human eye but is emitted by any object with a temperature above absolute zero.
