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1. en.wikipedia.org › wiki › InfraredInfrared - Wikipedia

   en.wikipedia.org › wiki › Infrared

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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 is emitted by all objects at temperatures above absolute zero.

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3. www.britannica.com › science › infrared-radiationInfrared radiation | Definition, Wavelengths, & Facts ...

   www.britannica.com › science › infrared-radiation

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   Jul 26, 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.

   • Author: The Editors of Encyclopaedia Britannica

4. www.livescience.com › 50260-infrared-radiationWhat Is Infrared? - Live Science

   www.livescience.com › 50260-infrared-radiation

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   Feb 27, 2019 · Infrared radiation (IR), or infrared light, is a type of radiant energy that's invisible to human eyes but that we can feel as heat. All objects in the universe emit some level of IR radiation,...

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     What is Infrared?

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     Introduction to Infrared (IR) Spectroscopy | Basics and Practical Demonstration

     10 Sep 2017

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     What is infrared light ? │LYNRED

     15 Sep 2020

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6. dictionary.cambridge.org › dictionary › englishINFRARED | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   INFRARED definition: 1. Infrared light is a type of light that feels warm but cannot be seen: 2. Infrared light is a…. Learn more.

7. science.nasa.gov › ems › 07_infraredwavesInfrared Waves - NASA Science

   science.nasa.gov › ems › 07_infraredwaves

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   Aug 10, 2016 · Infrared waves have longer wavelengths than visible light and can pass through dense regions of gas and dust in space with less scattering and absorption. Thus, infrared energy can also reveal objects in the universe that cannot be seen in visible light using optical telescopes.

8. herscheltelescope.org.uk › science › infrareWhat is infrared light? – Herschel Space Observatory

   herscheltelescope.org.uk › science › infrare

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   Infrared light is electromagnetic radiation with longer wavelengths than visible light, emitted by all objects depending on their temperature. Learn how William Herschel discovered infrared in 1800 and how it is used in astronomy and everyday life.

9. coolcosmos.ipac.caltech.edu › page › what_is_infraredWhat is Infrared? - Cool Cosmos

   coolcosmos.ipac.caltech.edu › page › what_is_infrared

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   Aug 16, 2013 · Learn about infrared light, a form of light that we can not see but that we can feel as heat. Discover how infrared light is related to temperature, color, and the electromagnetic spectrum, and how astronomers use it to study the cool cosmos.