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This is Arizona, however. The nights do cool down, but the concrete will still store a lot to heat.



A garden-variety uncooled LWIR camera from FLIR can see a difference of 0.05 degree. As long as the pedestrian isn’t wearing a thermal blanket from head to toe he/she can be seen.


Regardless, a human and metal bike should be very easily discernible with FLIR of adequate resolution.




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