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Why does cooling down thermal imaging cameras increase sensitivity?
A lot of high-sensitivity thermal cameras and sensors are (cryogenically) cooled down to low temperatures to achieve these high sensitivities. For example. the Stinger missile, and the James Webb ...
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Does a thermal camera detect distant objects colder?
Thermal cameras are often calibrated and display the temperature color-coded in $^\circ$C and I wonder how that works...
A black body emits photons because of it's thermal energy. The hotter it is, ...
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