Kelvin (William Thomson)

William Thomson, known as Lord Kelvin, was a scientist who made significant contributions to understanding temperature and energy. Kelvin temperature scale, also called Kelvin scale, measures temperature starting from absolute zero—the coldest possible point where particles have minimum energy. Unlike Celsius or Fahrenheit, Kelvin doesn't use degrees with symbolic names; it uses just units. Zero Kelvin equals about -273.15°C. This scale is essential in science for precise temperature measurements, especially in physics and chemistry, because it directly relates to the energy of particles, making calculations of thermodynamic processes straightforward. Kelvin's work helped deepen our understanding of heat, energy, and the universe.