In a thermodynamic class I took in 1989, the professor was talking about the transfer of heat and someone asked this question. The prof. didn’t attempt to explain it because it was off topic from the lecture, but he did say the answer had a more complex biological reason, and not that the floor was actually colder.
In: Biology
Tile is a good conductor of heat, so it pulls the heat out of your feet very quickly, and your feet feel cold.
If you step on an insulating material (a poor conductor of heat) of the same temperature as the tile, there will be very little heat transfer, so your foot will stay the same temperature and won’t feel cold
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