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Counterbalancing the well-known arrow of time (entropy and decay), a proposed new law of nature suggests a second arrow. This law describes the universe's inherent tendency to build greater pattern, complexity, and functional information in all evolving systems.
Lee Cronin's Assembly Theory offers a way to find alien life by quantifying molecular complexity. Using mass spectrometry, scientists can search for molecules with a high 'assembly index,' a clear signature that they were constructed by an evolutionary process rather than random chemistry.
The principle of evolution extends beyond biology to inanimate systems like minerals, cities, and AI. All these systems tend toward greater complexity and pattern over time, with Darwin's theory being a specific application for living organisms with genetic transfer.
Economics can be viewed as the physics of information, where profit is the surplus created when intelligent agents organize chaos into useful order (reduce entropy) faster than the system naturally decays back into disorder.
Selection is not exclusive to biology. It is a fundamental physical force that acts on matter, favoring configurations that persist over time. This process of 'selfish matter' battling for persistence was happening long before the first cells emerged, making life a natural consequence of physics.
A purposeful life can be framed as one that actively creates order and value (e.g., knowledge, peace, beauty) in a universe naturally tending towards chaos. Our best "mattering projects" align with this cosmic, counter-entropic struggle, giving life meaning.
The fundamental dynamics of consciousness may be timeless, without increasing entropy. Our linear experience of time is an emergent property created by the loss of information when that timeless reality is projected into our limited human interface.
A tumor can be viewed as an evolving system within the body's environment. It progresses from stage to stage by "ratcheting up" its functional information—its ability to survive and grow. This evolutionary framework could inspire novel cancer treatments.
Lee Cronin argues that both Newtonian and quantum physics are incomplete because they lack a fundamental concept of causation. This omission is why physics struggles to explain the emergence of complex systems like biology and intelligence, which are inherently causal.
A more effective way to define life is not by its internal components (like RNA or metabolism) but by its unique capability. Life is any system that can recursively produce many identical copies of highly complex objects, a feat only achievable through evolution.
Instead of viewing time as a fourth dimension appended to space (spacetime), the authors propose "time-space." Here, time, as an ordered sequence of thermodynamic commitments (blocks), is the foundational constraint from which spatial and causal order emerge as derivative properties.