Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The relative values of the expected hand (Thand,exp) and object temperatures (Tobj,exp) before actually making contact with the object are illustrated. Our brain compares the expected temperature difference to the actual temperature difference to determine whether the object feels warm or not.
