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@uastronomer@mastodon.monoceros.co.za

2026-07-27 07:08 UTC

@juergen_hubert@mementomori.social A thought occurs: Older theories are often referred to as laws. Newton's laws of motion. The laws of thermodynamics. Presumably a relic from older and more confident ways of thinking about truth, but the problem is that we *still* call them laws.

Replies (1)

  • @uastronomer@mastodon.monoceros.co.za @juergen_hubert@mementomori.social No Allen, the laws of thermodynamics, motion etc are mathematically describable. That's what makes them Laws. This is not a problem: the mathematical relationship is always that. There is no conjecture. Note that the word Law is applied to really fundamental things like gravity, motion etc. Hooke's Law - describes the behaviour of a spring under load. It never changes and applies to all springs, with the proviso that the elastic constant will depend on the material. But that's experimentally verificable. Many of these physical Laws (and chemical Laws) were elaborated in the 17th-19th Century. It wasn't a case of more confidence (think about their instruments compared to our), it was a case of observation-measurement over many cases. In contrast, only certain aspects of evolution are mathematically certain, the difference being that evolution refers to complex systems whereas a spring is a spring.

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