Introduction: Why Understanding the Zeroth Law of Thermodynamics Matters Temperature seems like a basic concept—everyone senses hot and cold, and we routinely measure temperature in everyday life. Yet, there’s a less obvious but essential principle that underpins our ability to define temperature and
Imagine pulling a steamy mug of coffee from the counter, only to find it chilled by the time you sit down. Or picture a crime scene investigator estimating a victim’s time of death by measuring body temperature. Across kitchens, laboratories, and courtrooms, the