Warm marks remain on the floor

Make sure that if you hold your palm against the tabletop, the temperature of the part of the tabletop that is in contact with your palm will rise by several degrees. Answer the question.

How to conduct an experiment

Test results

The temperature of the tabletop before heating it with the palm ()
Palm temperature ()
The temperature of the tabletop after heating it with the palm ()
Warm-up time ()

Is it possible to do such an experiment even if the table top is made of copper?