Second law of infodynamics
The second law of infodynamics is a proposed principle in information theory suggesting that the entropy of information in certain systems tends to remain constant or decrease over time, [1] It was introduced by physicists Melvin Vopson and Serban Lepadatu of the University of Portsmouth.[1] It is somewhat of an analog to the second law of thermodynamics, which states that the entropy of isolated physical systems tends to increase, or rather systems become more disordered, [2] but differs in that informational systems may evolve toward states of lower informational entropy, or where data becomes more structured and ordered over time.[2]
History
The concept was first published in a 2022 AIP Advances paper. [1] Subsequent discussion of the idea has appeared in theoretical analyses, and [3] in popular media coverage examining computational interpretations of the universe.[4]
Real world implications
Biology
Cited real world examples of informational entropy reduction may be observed in biological data patterns and genetic mutation distributions,[5] and that they can evolve toward more efficient informational structures.[2] Informational analysis may potentially be used to predict mutation patterns in biological systems.[6]
Computing
Compression algorithms and optimization procedures are example of digital information systems that frequently undergo processes that reduce informational complexity. [3]
Cosmology
The concept has also been connected in speculative discussions with theories in which information plays a fundamental role in physical reality, including ideas associated with digital physics and the simulation hypothesis.[7]
Status
The proposal remains speculative and has not been widely adopted as a fundamental physical law[3] in that further experimental evidence and theoretical validation are required before the concept becomes accepted as a law.[3]
See also
References
- ↑ 1.0 1.1 1.2 Vopson, Melvin; Lepadatu, Serban (2022). "Second law of information dynamics". AIP Advances. 12 (3). doi:10.1063/5.0087171.
- ↑ 2.0 2.1 2.2 Vopson, Melvin (2023). "The second law of infodynamics and its implications for the simulated universe hypothesis". AIP Advances.
- ↑ 3.0 3.1 3.2 3.3 Crecraft, H. (2025). "The Second Law of Infodynamics: A Thermocontextual Reformulation". Entropy.
- ↑ "A scientist says he has the evidence that we live in a simulation". Popular Mechanics. 2025.
- ↑ "Questioning the randomness of genetics could help predict mutations". American Institute of Physics. 2022.
- ↑ "Scientists question randomness of mutations using information theory". EurekAlert. 2022.
- ↑ "Physicist suggests gravity may reveal we live in a simulation". Futurism. 2025.
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