1. Intro to Physics 2
Wait so could a really weak magnet in a REALLLLLY cold room hold heavy stuff? - 9Foxtrot
Cooling a weak magnet to extremely low temperatures can enhance its magnetic strength because reduced thermal motion helps maintain the alignment of magnetic domains. While this increased strength allows the magnet to hold heavier objects than it could at room temperature, the extent of this capability depends on the type of magnet and the degree of cooling. Permanent magnets like neodymium or samarium-cobalt can become stronger when cooled, and materials that become superconductors at cryogenic temperatures can create very strong magnetic fields. However, there are practical limits to how much additional weight a cooled weak magnet can hold based on its intrinsic properties and the level of cooling achieved.
Can't the absence of heat be neutral between hot and cold? - AL X
No, the absence of heat is not neutral between hot and cold. The absence of heat signifies a condition of low thermal energy, corresponding to cold rather than a middle ground. "Hot" implies high thermal energy, while "cold" implies low thermal energy. Thus, without heat, the state leans towards cold rather than being an intermediate between hot and cold. This will be an important part of our Thermodynamics unit.