Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Infrared> ?p ?o }
- Infrared abstract "Infrared (IR) is invisible radiant energy, electromagnetic radiation with longer wavelengths than those of visible light, extending from the nominal red edge of the visible spectrum at 700 nanometers (frequency 430 THz) to 1 mm (300 GHz) (although people can see infrared up to at least 1050 nm in experiments). Most of the thermal radiation emitted by objects near room temperature is infrared.Infrared radiation was discovered in 1800 by astronomer Sir William Herschel, who discovered a type of invisible radiation in the spectrum lower in energy than red light, by means of its effect upon a thermometer. Slightly more than half of the total energy from the Sun was eventually found to arrive on Earth in the form of infrared. The balance between absorbed and emitted infrared radiation has a critical effect on Earth's climate.Infrared energy is emitted or absorbed by molecules when they change their rotational-vibrational movements. Infrared energy excites vibrational modes in a molecule through a change in the dipole moment, making it a useful frequency range for study of these energy states for molecules of the proper symmetry. Infrared spectroscopy examines absorption and transmission of photons in the infrared energy range.Infrared radiation is used in industrial, scientific, and medical applications. Night-vision devices using active near-infrared illumination allow people or animals to be observed without the observer being detected. Infrared astronomy uses sensor-equipped telescopes to penetrate dusty regions of space, such as molecular clouds; detect objects such as planets, and to view highly red-shifted objects from the early days of the universe. Infrared thermal-imaging cameras are used to detect heat loss in insulated systems, to observe changing blood flow in the skin, and to detect overheating of electrical apparatus.Thermal-infrared imaging is used extensively for military and civilian purposes. Military applications include target acquisition, surveillance, night vision, homing and tracking. Humans at normal body temperature radiate chiefly at wavelengths around 10 μm (micrometers). Non-military uses include thermal efficiency analysis, environmental monitoring, industrial facility inspections, remote temperature sensing, short-ranged wireless communication, spectroscopy, and weather forecasting.".
- Infrared thumbnail Ir_girl.png?width=300.
- Infrared wikiPageExternalLink 08733349.pdf.
- Infrared wikiPageExternalLink infrared.html.
- Infrared wikiPageExternalLink www.irda.org.
- Infrared wikiPageExternalLink usb_ir_receiver.html.
- Infrared wikiPageExternalLink historical1.html.
- Infrared wikiPageExternalLink Cat%C3%A9gorie:Library.
- Infrared wikiPageExternalLink sirc-part-i-basics.html.
- Infrared wikiPageID "15022".
- Infrared wikiPageLength "55830".
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- Infrared wikiPageRevisionID "681665074".
- Infrared wikiPageWikiLink A.T._Stair.
- Infrared wikiPageWikiLink AIM-4_Falcon.
- Infrared wikiPageWikiLink AIM-9_Sidewinder.
- Infrared wikiPageWikiLink Absorption_(electromagnetic_radiation).
- Infrared wikiPageWikiLink Academic_paper.
- Infrared wikiPageWikiLink Academic_publishing.
- Infrared wikiPageWikiLink Active_galactic_nucleus.
- Infrared wikiPageWikiLink Active_galaxy.
- Infrared wikiPageWikiLink Albert_Einstein.
- Infrared wikiPageWikiLink Arnolfini_Portrait.
- Infrared wikiPageWikiLink Astronomer.
- Infrared wikiPageWikiLink Atmosphere_of_Earth.
- Infrared wikiPageWikiLink Barnes,_Agema.
- Infrared wikiPageWikiLink Bell_Labs.
- Infrared wikiPageWikiLink Black-body_radiation.
- Infrared wikiPageWikiLink Black_body.
- Infrared wikiPageWikiLink Boidae.
- Infrared wikiPageWikiLink Brain_implant.
- Infrared wikiPageWikiLink Buprestidae.
- Infrared wikiPageWikiLink Camera_phone.
- Infrared wikiPageWikiLink Camera_phones.
- Infrared wikiPageWikiLink Carbon_black.
- Infrared wikiPageWikiLink Carbon_dioxide.
- Infrared wikiPageWikiLink Category:Electromagnetic_spectrum.
- Infrared wikiPageWikiLink Category:Infrared.
- Infrared wikiPageWikiLink Chlorofluorocarbon.
- Infrared wikiPageWikiLink Chlorofluorocarbons.
- Infrared wikiPageWikiLink Cirrus_cloud.
- Infrared wikiPageWikiLink Climate.
- Infrared wikiPageWikiLink Common_Vampire_Bat.
- Infrared wikiPageWikiLink Common_module_program.
- Infrared wikiPageWikiLink Common_vampire_bat.
- Infrared wikiPageWikiLink Convective_heat_transfer.
- Infrared wikiPageWikiLink Corona.
- Infrared wikiPageWikiLink Crotalinae.
- Infrared wikiPageWikiLink Cumulonimbus.
- Infrared wikiPageWikiLink Cumulonimbus_cloud.
- Infrared wikiPageWikiLink DIN.
- Infrared wikiPageWikiLink Data.
- Infrared wikiPageWikiLink Dead_Sea_Scrolls.
- Infrared wikiPageWikiLink Deutsches_Institut_für_Normung.
- Infrared wikiPageWikiLink Digital_camera.
- Infrared wikiPageWikiLink Dipole.
- Infrared wikiPageWikiLink Dispersion_(optics).
- Infrared wikiPageWikiLink Dispersive_prism.
- Infrared wikiPageWikiLink Earth.
- Infrared wikiPageWikiLink Earths_atmosphere.
- Infrared wikiPageWikiLink El_Niño.
- Infrared wikiPageWikiLink Electric_current.
- Infrared wikiPageWikiLink Electromagnetic_radiation.
- Infrared wikiPageWikiLink Electromagnetic_spectrum.
- Infrared wikiPageWikiLink Electronvolt.
- Infrared wikiPageWikiLink Emissivity.
- Infrared wikiPageWikiLink Extremely_high_frequency.
- Infrared wikiPageWikiLink Extremely_low_frequency.
- Infrared wikiPageWikiLink FLIR_Systems.
- Infrared wikiPageWikiLink Far-infrared.
- Infrared wikiPageWikiLink Far-infrared_laser.
- Infrared wikiPageWikiLink Far_infrared.
- Infrared wikiPageWikiLink Femto-.
- Infrared wikiPageWikiLink Fiber_optic.
- Infrared wikiPageWikiLink File:Specim_aisaowl_outdoor.png.
- Infrared wikiPageWikiLink File:Van_Eyck_-_Arnolfini_Portrait.jpg.
- Infrared wikiPageWikiLink Filter_(optics).
- Infrared wikiPageWikiLink Fog.
- Infrared wikiPageWikiLink Fred_Nicodemenus.
- Infrared wikiPageWikiLink Fred_Simmons_(scientist).
- Infrared wikiPageWikiLink Free-space_optical_communication.
- Infrared wikiPageWikiLink Free_space_optical_communication.
- Infrared wikiPageWikiLink Frequency_spectrum.
- Infrared wikiPageWikiLink G.J._Zissis.
- Infrared wikiPageWikiLink GHz.
- Infrared wikiPageWikiLink Gamma_ray.
- Infrared wikiPageWikiLink George_E._Smith.
- Infrared wikiPageWikiLink Global_warming.
- Infrared wikiPageWikiLink Greenhouse_effect.
- Infrared wikiPageWikiLink Gustav_Kirchhoff.
- Infrared wikiPageWikiLink H._Welker.
- Infrared wikiPageWikiLink Heat.
- Infrared wikiPageWikiLink Heinrich_Welker.
- Infrared wikiPageWikiLink Helium.
- Infrared wikiPageWikiLink Hertz.
- Infrared wikiPageWikiLink HgCdTe.
- Infrared wikiPageWikiLink Hughes_Aircraft_Company.
- Infrared wikiPageWikiLink Human_eye.
- Infrared wikiPageWikiLink Image_intensifier.
- Infrared wikiPageWikiLink InSb.