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Can't see the person behind the window through the thermal imaging system


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5 hours ago, F.T said:

Just as the title says

You know the reason we put Windows into our houses is, that they let the visible light in, and keep the warmth we are heating for inside.

Glass is transparent to IR-radiation as a steel platte or a brick wall....

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With special glass types and Germanium coating, it works. An essential component for the feasibility of thermal imagers as sensors.


Vacuum-separated double-pane windows OTOH are effective means to keep a home insulated.

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