energy <=

Hot and cold

Hot and cold is more than a simple feeling, there is a lot more to it. From a personal point of view, we feel warm if we received energy, and we feel cold when we lose energy.

The objective measurement of hot and cold started by Newton in 1701, when he used 0 for ice, and 12 for human body temperature. Temperature scales were developed soon after and refined.

Temperature and Heat

Application of temperature scales

Due to applications of temperature measurements, the following laws are discovered.

Energy <=