People sitting at a table at dinner time, thermogram. A thermogram shows the variation in temperature on the surface of an object, measured by the lon
People sitting at a table at dinner time, thermogram. A thermogram shows the variation in temperature on the surface of an object, measured by the long-wave infrared radiation it emits. The temperature scale is colour-coded and runs from purple (coldest), through blue, green, yellow and orange to red (warmest).
Size: 4843px × 3624px
Photo credit: © TONY MCCONNELL/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
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