132 | Michael Levin on Growth, Form, Information, and the Self
Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas
The Principle of Least Action
The Principle of Least Action illustrates that many physical systems can be understood by minimizing the effort or action required to achieve an outcome, offering a simpler approach compared to detailed, complexity-driven calculations like Maxwell's equations. In biology, particularly in biochemistry, it's vital to identify the appropriate level of analysis rather than defaulting to the lowest theoretical level, as this can lead to misunderstandings about what influences biological systems. The challenge is to determine the best level of interaction that delivers the desired outcome effectively. The degree to which a system can be persuaded varies across a spectrum, from rigid systems like cuckoo clocks requiring physical modification to adaptable systems like humans that respond better to stimuli and experiences. This highlights the importance of understanding a system's inherent goals and deciding whether to intervene by rewriting those goals or by motivating the system, emphasizing a nuanced approach to influencing complex biological and cognitive systems.
