Game design FAQ. If you actually want to know how to become a game designer, start with the IGDA Breaking In site and Damion Schubert's Breaking In page, and check this list of game design blogs.
The first law of thermodynamics states that if a system follows a thermodynamic cycle (that is, ultimately returns to its initial state), then the total amount of heat transferred to the system over the course of the cycle is equal to the work performed by the system.
The part of the brain that acts as the body's thermostat is the hypothalamus which is the part of the brain that tells the body what it needs to do to survive and reproduce. The hypothalamus receives signals from all over the body regarding temperature.