1950s house, thermogram. A thermogram shows the variation in temperature on the surface of an object, measured by the long-wave infrared radiation it

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1950s house, 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 runs from black (coldest) through grey to white (warmest). This imaging technique can be used to check the energy efficiency of buildings. The areas that appear hotter in a building thermogram are where heat is being lost.

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Size: 3472px × 2548px
Photo credit: © EYE OF SCIENCE/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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