Infrared thermography (IRT), thermal imaging, and thermal video are examples of infrared imaging science. When viewed through a thermal imaging camera, warm objects stand out well against cooler backgrounds; humans and other warm-blooded animals become easily visible against the environment, day or night.

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Keywords: archival, archive, examples, historical, history, imaging, infrared, infraredthermographyirtthermalimagingthermal, science, sciencecamerawarmcoolerphotographyphysicsdetection, thermal, thermography, video