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What is infrared light and how does it work? ... How do we detect infrared light? How is it produced and how does it compare with visible light? What are some of the technologies that take advantage of infrared radiation? ... David uncovers exciting technological advances that use infrared light.
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www.reachoutmichigan.org/funexperiments/agesubject/less...
www.reachoutmichigan.org/funexperiments/agesubject/lessons/newton/infrared.html
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Infrared light lies between the visible and microwave portions of the electromagnetic spectrum. Infrared light has a range of wavelengths, just like visible light has wavelengths that range from red light to violet.
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science.hq.nasa.gov/kids/imagers/ems/infrared.html
science.hq.nasa.gov/kids/imagers/ems/infrared.html
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Did you know your body emits infrared light? Infrared light is heat, the same as the heat your body gives off. More than half the Sun's power output is in the form of infrared light, though much of it is absorbed by the Earth's atmosphere.
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solar.physics.montana.edu/YPOP/Spotlight/Today/infrared...
solar.physics.montana.edu/YPOP/Spotlight/Today/infrared.html
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Image above: Fire gives off infrared light in the form of heat ... With special infrared cameras, you can see the heat. It makes things that are hot look like they are glowing. In infrared light, hot things look bright yellow and orange. Items that are colder, such as an ice cube, are purple or blue.
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www.nasa.gov/audience/forstudents/k-4/home/F_Infrared_L...
www.nasa.gov/audience/forstudents/k-4/home/F_Infrared_Light_K-4.html
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All about infrared astronomy from NASA's infrared astronomy center: Discovery of infrared, what is infrared and infrared astronomy, history, the infrared universe, gallery, activities, discoveries, missions and a lot of links to IR astronomy site ... Infrared Astronomy Tutorial...
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coolcosmos.ipac.caltech.edu/cosmic_classroom/ir_tutoria...
coolcosmos.ipac.caltech.edu/cosmic_classroom/ir_tutorial/
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Airborne and space-based cameras also use infrared light to study vegetation patterns and to study the distribution of rocks, minerals and soil. In archaeology, thermal infrared imaging has been used to discover hundreds of miles of ancient roads and footpaths, providing valuable information about vanished civilizations.
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coolcosmos.ipac.caltech.edu/cosmic_classroom/classroom_...
coolcosmos.ipac.caltech.edu/cosmic_classroom/classroom_activities/herschel_bio.html
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What is infrared light? ... We experience infrared light every time we feel the heat of the sun on our skin or the warmth of a camp fire. Technically, what we are experiencing in these instances is thermal infrared light. Scientists call waves of electromagnetic energy that travel through space light.
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astro.uchicago.edu/cara/about_cara/defn/irlight.html
astro.uchicago.edu/cara/about_cara/defn/irlight.html
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Infrared Radiation - Warmth From The Cold of Space ... The light we see with our eyes is really a very small portion of what is called the "Electromagnetic Spectrum." The Electromagnetic Spectrum includes all types of radiation - from the X-rays used at hospitals, to radio waves used for communication, and even the...
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www.gemini.edu/public/infrared.html
www.gemini.edu/public/infrared.html
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