Definition: Decayless is a scientific term that describes a phenomenon where an object or system undergoes no change over time, but its energy remains constant. This means that if you remove any amount of energy from an object, it will return to its original state without changing in any way. For example, if you were to take away all the heat from a room and then turn on the air conditioning, the temperature would remain constant, as there is no change in energy or matter. Similarly, if you