The Law of Thermodynamics

The laws of thermodynamics describe how energy moves and changes in physical systems. The first law states energy cannot be created or destroyed, only converted (like turning fuel into motion). The second law says that in any process, disorder (entropy) increases, meaning systems tend to move toward chaos unless energy is added. The third law states that as temperature approaches absolute zero, the disorder approaches a minimum. These principles govern everything from engines and refrigerators to the universe's evolution, helping us understand how energy transforms and the limits of device efficiency.