Absolute zero is the lowest possible temperature that can be reached, at which point all molecular motion stops. It is typically measured as 0 Kelvin or -273.15 degrees Celsius.
Exploring beyond absolute zero can help us better understand the fundamental laws of thermodynamics and potentially lead to new technologies and applications, such as more efficient refrigeration methods.
No, it is not possible to reach temperatures below absolute zero. Absolute zero is the lowest possible temperature and cannot be exceeded.
Exploring beyond absolute zero challenges traditional thermodynamic theories because it suggests that there may be a range of negative temperatures, which were previously thought to be impossible. This challenges our understanding of entropy and the direction of heat flow.
Potential practical applications include more efficient refrigeration methods, improved understanding of superconductors and the potential for new technologies utilizing negative temperatures.