The concept of a "physics of information" refers to the idea that information can be considered as a physical entity, and that it can be studied and analyzed using the methods of physics. This idea has gained significant attention in recent years, particularly in the fields of quantum computing and quantum information theory.

In quantum computing and quantum information theory, information is considered as a physical entity that can be described using quantum mechanics. In this framework, information can be manipulated and processed using quantum algorithms and quantum protocols.

The connection between information and physical laws of nature can be seen in the concept of entropy, which is a measure of the disorder or randomness of a physical system. In information theory, entropy is used to quantify the amount of information contained in a message or a signal. According to the second law of thermodynamics, the entropy of a closed physical system can never decrease over time.

In conclusion, while the concept of a “physics of information” is still a developing area of research, it seeks to understand the relationship between information and physical laws of nature. By treating information as a physical entity, researchers aim to gain a deeper understanding of how information can be processed and manipulated, and to find new ways of using information to solve real-world problems.