What about friction, heat loss, things like that? When a machine loses energy, it doesn't just lose it into the void, it gets transferred to other things in its immediate environment.
The concept of energy doesn't dictate that energy is really lost, if you want to relate entropy to energy, entropy is more about patterns of distribution of energy. — flannel jesus
Can you think of a different reason why perpetual motion machines would be impossible? — flannel jesus
What about friction, heat loss, things like that? When a machine loses energy, it doesn't just lose it into the void, it gets transferred to other things in its immediate environment.
The concept of energy doesn't dictate that energy is really lost, if you want to relate entropy to energy, entropy is more about patterns of distribution of energy. — flannel jesus
ALL that I'm getting at is it seems odd to make a very obvious law that says details the definition of limitless is to be without limits. — DifferentiatingEgg
I was thinking that Meta conflated energy and entropy in such a way that he things the energy of a closed system must constantly decrease as the entropy increases. Of course this is he same as the amount of energy being constant while the amount of energy available for work decreases over time. SO I think ChatGPT and I have diagnosed his error in much the same way.What I think might be useful is to attend to the fact that waste heat only is 'lost' (unable to do more work) relationally or contextually. — Pierre-Normand
Sure. True but irrelevant. Choose whatever conservation principle you want. The issue is that there are parts of science that are logically unfalsifiable - they embed one quantification in another so that accepting a basic statement does not show them to be false. — Banno
The issue is that there are parts of science that are logically unfalsifiable — Banno
Whereas the conservation laws are metaphysical and true and helpful, determinism is metaphysical and potentially false and not helpful. — Banno
Saying "things have cases" is not the same as saying that physics is deterministic. — Banno
Otherwise it just looks like the medieval prejudice that every event has a cause - a classic bit of bad metaphysics that is almost certainly wrong. — Banno
I pointed out that it has already been falsified. How is that irrelevant? — T Clark
For Popper, basic statements ("protocol sentences") are unfalsifiable. And they are part of science. They are observations that might be used to falsify a theory - a "theory" here being some universal statement such as "all swans are black".The issue is that there are parts of science that are logically unfalsifiable — Banno
Science and metaphysics are not mutually exclusive... Following Popper in calling ideas that can be neither falsified nor verified "metaphysical", there are bits of science that have a logical structure that bars them from falsification by a basic statement, and so count as metaphysics. This is the criticism of Popper that Watkins is confronting. Indeed, I suspect that Watkins might well be the source of the very view you are attempting to articulate.As I understand it, conservation of matter and energy has been established as a valid principle in physics. That doesn't necessarily mean it's correct, but we are justified in using it unless it is falsified in the future. It's not metaphysics, it's science. Determinism is metaphysics and can be useful. — T Clark
"All events have causes" is a different proposition to "events have causes", since the second allows for uncaused events. So saying "things have cases" is not the same as saying that physics is deterministic. Science accepts that things sometimes have causes, not that they always have causes. It allows for events that do not have a cause: Norton's Dome, the three-body problem, Schwarzschild Singularities. Statistical Mechanics is built on this idea.How is saying that all events have causes not describing determinism? — T Clark
Of course this is he same as the amount of energy being constant while the amount of energy available for work decreases over time. — Banno
What about friction, heat loss, things like that? When a machine loses energy, it doesn't just lose it into the void, it gets transferred to other things in its immediate environment. — flannel jesus
which allows it to swallow up energy without that energy having an effect on the void. — Metaphysician Undercover
Perhaps it does have an effect on the void. Space expands and light loses energy as it travels through expanding space. Maybe space expands proportionally to the energy lost to it — flannel jesus
Deciding something is false is different to it's being logically falsifiable. — Banno
For Popper, basic statements ("protocol sentences") are unfalsifiable. — Banno
protocol sentence, in the philosophy of Logical Positivism, a statement that describes immediate experience or perception and as such is held to be the ultimate ground for knowledge... It is thought to be irrefutable and therefore the ultimate justification for other more complex statements, particularly for statements of science. — Britannica
there are bits of science that have a logical structure that bars them from falsification by a basic statement, and so count as metaphysics. — Banno
"All events have causes" is a different proposition to "events have causes", since the second allows for uncaused events. So saying "things have cases" is not the same as saying that physics is deterministic. — Banno
However, the conception is deficient because it does not account for the true expansion of space. Then some energy must be said to get swallowed up by space — Metaphysician Undercover
I'm not sure about that. The potential energy between two objects *increases* with space. A ball 2m above the surface of the earth is said to have more potential energy than a ball 1m up. So perhaps it all adds up. — flannel jesus
Popper draws a clear distinction between the logic of falsifiability and its applied methodology. The logic of his theory is utterly simple: a universal statement is falsified by a single genuine counter-instance. Methodologically, however, the situation is complex: decisions about whether to accept an apparently falsifying observation as an actual falsification can be problematic, as observational bias and measurement error, for example, can yield results which are only apparently incompatible with the theory under scrutiny. — Popper, from SEP, (my bolding)
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