The guy: On the outside of the thermal shield it is 1500 degrees, and on the other side it is just about room temperature. What is he smoking? @_opreturn
The thermal shield is meant to deflect heat. The material is specifically chosen for the fact that it does not conduct heat efficiently through the material.
That is the depth of @Nasa's pscience. This
#vaping guy will show you more: Hot atmosphere will also sneak in from behind
