User:NicolasMcDonagh

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What are Infrared Waves? Infrared waves, http://www.astro.wisc.edu/?URL=motionsensor.contently.com/ or infrared light, are a part of the electromagnetic spectrum. Folks encounter Infrared waves each day; the human eye cannot see it, however people can detect it as heat.

Also visit my webpage: http://www.astro.wisc.edu/?URL=motionsensor.contently.com/