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    Radiant barrier - Wikipedia

    • A radiant barrier is a type of building material that reflects thermal radiation and reduces heat transfer. Because thermal energy is also transferred by conduction and convection, in addition to radiation, radiant barriers are often supplemented with thermal insulation that slows down heat transfer by conduction or convection. A radiant barrier reflect… See more

    Reflectivity and emissivity

    All materials in existence give off, or emit, energy by thermal radiation as a result of their temperature. The amount … See more

    History

    In 1860, the French scientist Jean Claude Eugene Peclet experimented with the insulating effect of high and low emissive metals facing air spaces. Peclet experimented with a wide variety of metals ranging fro… See more

    Applications

    For the Apollo program, NASA helped develop a thin aluminum foil that reflected 95% of the radiant heat. A metalized film was used to protect spacecraft, equipment, and astronauts from thermal radiation or to retain heat … See more

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