Question

Why might people be able to walk barefoot on hot coals of wood without burning their feet?

Answer 1

I believe it's a form of adaption. If you burn yourself enough times in the same place, you'll grow callous in those places. That's because of the that human (and most living creatures) ability to adapt to its environment.

Answer 2

the low thermal conductivity of the coals or for plato users its b . low conductivity of the coals