Questions tagged [physics]

Physics is the natural science that involves the study of matter and its motion through space and time, along with related concepts such as energy and force. More broadly, it is the general analysis of nature, conducted in order to understand how the universe behaves.

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How can Smolin's postulate be mathematically "modelled"/expressed/represented?

I have not, unfortunately, actually read Time Reborn, so I'm going off a synopsis of its thesis here, but my understanding is that we can call Smolin's postulate the idea that "the laws of ...
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What is a "world" according to Sir. Roger Penrose?

In Symposium: the Road to Reality (22.01.2019), part II - Sir Roger Penrose a few diagrams are presented that include a "Physical World", a "Mental World", and a "Platonic/...
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198 views

Can universe be known? [closed]

Since intelligent life is known one of its aspirations seems to be understanding of the world. Currently physics provides a pretty good explanation of the universe. There are areas that are not ...
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306 views

How do non-theist idealists account for laws of physics?

Berkeley has a god that forces regularity of sensations/perception on all other minds. So a super-mind is the source of the laws of physics. I assume it's the same with any theistic idealism. But I ...
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262 views

To what extent is mathematics a tool to grasp the world beyond human intuition?

To what extent are mathematical formalisms an extension of intuitive reasoning to grasp the world such as in the fields of Quantum Physics and Relativity? My first thought is that when intuitive ...
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3answers
568 views

The shape and extension of the fundamental particles

You could say that particles are just 0-dimensional points. But point particles are just an idealization. If particles are taken to exist physically, and anything which has physical existence has ...
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195 views

Examples of physicists who are platonists?

Max Tegmark is perhaps the best example, with his idea which basically proposes that every mathematically possible universe exists. Are there any other examples of physicists with a similar line of ...
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Does Shape Dynamics use Space relationalism?

(Already posted this on Physics Stack Exchange, hope it's okay) On Wikipedia it says Shape dynamics is an implementation of Space relationalism however I don't see how this can be true. In general ...
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325 views

Kant vs Scientific Rationalism - Do we need the Ding an Sich

I actually like Kant's distinction between noumena and phenomena. But I have a nagging doubt. If we look at modern physics, appearances can be explained by entities such as atoms, electrons and quarks ...
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229 views

Does a decrease in entropy require intent?

Physics tells us that universally entropy is always increasing. However, it is possible for entropy to decrease locally at the expense of a bigger increase elsewhere. Can this happen spontaneously or ...
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426 views

What is left of physics if the mathematics is removed?

My question is in the title. It seems to me that (theoretical) physics studies mathematical models of the physical world, and constantly revises them. But isn't studying mathematical models ...
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Since spacetime can bend and form waves, does this mean it must be made of sub-units of matter? How can something bend if it does not have sub-units?

I posted this question in Physics StackExchange, but it was closed because it was considered "non-mainstream physics", not sure why. Here's the description I wrote for it: My question is ...
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279 views

How do multiple time dimensions appear to allow the breaking or re-ordering of cause-and-efect in the flow of any one dimension of time?

Multiple time dimensions appear to allow the breaking or re-ordering of cause-and-effect in the flow of any one dimension of time. This and conceptual difficulties with multiple physical time ...
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332 views

Explanatory model that accounts for universality

Hempel's DN (Deductive-Nomological) model is a kind of explanatory model, that accounts for explanation of certain type of questions. Basically If I look for explanation for the laws of motion of a ...
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Opposing Wolfgang and the species

I've read some summaries of Smith's thinking, which I haven't yet adhered to, here The aim of philosophy is the good life or the best regime, the aim of theology is knowledge of God, and that of ...
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239 views

Is there any theory that states that the universe is moving?

Is there any theory that states that the universe is moving? By that, I mean the universe is moving relative to a point in a different space containing the universe. By analogy, the universe would ...
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118 views

Infinity mirror?

Not sure if this should be in the physics section or here in philosophy. I think the topic may fit in both domains. What has lead me to inquire about this particular effect is the description of it as ...
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118 views

Is a physical process identical to an algorithm computing it?

I have read three questions about algorithms and their relation to the human brain. Two recent ones: Question on Godel's Remark on Algorithmic Nature of Mind and: Why doesn't Searle's ...
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Can we see the sciences as an art?

I always feel some kind of fulfillment when I succed in giving Natural processes an explanation in the light of physics. It's kind of comforting to make invisible causes visible and understandable. ...
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130 views

What do some philophers call the thing that breathes fire to the equation of Physics? [closed]

Stephen Hawking famously said that we don't know what breathes fire to the equations of Physics, have philosophers tried to identify what that might be and what are the things they found called? I am ...
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221 views

Metaphysics beyond quantum physics

Is there a metaphysics that seeks to explain what might exist beyond quantum physics? Beyond what we can know about quantum physics? What are the laws of reality beyond those we were able to find ...
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References for books/papers about emergentism and reductionism

I am trying to look for resources to deepen some topics presented in this workshop Moving Naturalism Forward. Especially the point on emergence (and secondarily on evolution and determinism, but here ...
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Intuitive reasoning on the nature of time

I claim that the measurement of time is the measurement of change if the following holds: Our universe is (or can be represented as) a simulation, namely a set of data operated on by an algorithm. ...
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443 views

If something moves at an infinite speed how long does it take to traverse infinity?

If the answer is infinite time, then is there something greater than infinity such that something can traverse infinity in 0 seconds or less than 1 second?
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What are the alleged reasons for emergence?

What are the alleged reasons for emergence? What explains emergence, what are the philosophical explanations for emergence? Does it indicate that there's gap in our knowledge, does it indicate that it'...
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6answers
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What's the "opposite" of emergence?

What do you call the phenomena that occurs when smaller entities are observed to have properties the wider whole do not have, properties or behaviors which emerge only when only the constituents are ...
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245 views

What do you call the fact that you can't derive all the laws of other sciences from the law of physics?

What do you call the fact that you can't derive all the laws of other sciences from the law of physics? Is there a word or a term or something else that explains why this is the case? I would be ...
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198 views

Can the Universe make sense at all?

Considering that nearly everything that exists cannot be even imagined by humans (or would it be reasonable to assume the contrary?), what is the chance of finding a scientifically coherent ...
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5answers
274 views

What is a quantum particle like before it is measured?

I have been trying to ask about this over on the Physics Stack Exchange, but they aren't really interested in questions that are this speculative. Does anyone here have any ideas about what quantum ...
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148 views

Do we have to be in a frame of reference for our calculations about them to hold for us?

In Einsteinian relativity, reference frames are used to specify the relationship between a moving observer and the phenomenon or phenomena under observation. In this context, the phrase often becomes &...
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488 views

Are There Any Hegelian Approaches to Modern Physics?

In his section on Force and the "inverted world" in "Phenomenology of Spirit," Hegel provides a dialectical account of Newtonian physics and gravity that I find very interesting, ...
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357 views

Did the past occur or is it occurring relatively, and will the future occur or is it occurring relatively?

Did the day I was born occur already, or is it occurring relatively to me in the past? Will the day I die occur or is it occurring relatively to me in the future? I know that some physicists are ...
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296 views

What documented justification is there for using physics to describe the nature of reality?

One of the earmarks of empirical/materialistic research and documentation is its insistence on rejecting and dismissing any subject matter that it deems irrelevant. This has always appeared to me just ...
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What is the difference between world and universe?

I encounter the terms "world" and "universe" in various types of philosophy. I haven't paid close attention, but it seems "world" is used more phenomenologically and ...
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262 views

What does Aristotle mean by "the whole" and "sphere of the whole" in Physics Book IV?

In discussing time, Aristotle frequently mentions "the whole" and "the sphere itself." I have the intuition that it is related to his physical cosmology, but fail to see anything ...
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Does Whitehead's physics include atoms?

I know that one of the major points of Whitehead is to criticize the atomistic theory of nature and replace it with events. But can an atom exist as part of an event? What role does electron, protons, ...
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356 views

Determinism and Freewill [duplicate]

Is there a definitive answer to the problem of free will as follows: How can free Will exist while physics laws tell us (as well as causality) that every state at any given time is the result of the ...
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2answers
414 views

How is spacetime as a construct defined by philosophers? [closed]

Is spacetime a construct? If spacetime is a construct, is space taken individually a construct, and is time taken individually also a construct, and time and space combined a construct? Does the ...
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226 views

Is probability in classical physics always bayesian?

I am wondering how probability is intended in classical physics. I have read a number of articles where it is said that probability in classical physics is generally intended in subjectivist terms as ...
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260 views

What fallacy is this? Ignoring rate of change

What is this fallacy? "I threw a ball onto the roof. Which way did gravity pull it? Well obviously because the ball started on the ground level and ended up on the roof then gravity must have ...
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205 views

Which fallacy? Explaining something based on a hypothesis

I am studying physics and have often come across the line of reasoning that goes like this: "Phenomenon A is/happens this way because otherwise it would contradict the B principle." Physics ...
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248 views

Is physics or pure math better at explaining reality?

I have been interested in philosophy for a while and I was just curious on what you guys thought about this question. On one hand you have a science that is able to (basically) relate all the bodies ...
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"v = 1 m/s": predicate or relation? Any literature?

This question is partially related to How does "is" work? and What is the difference between the "is" of predication and the "is" of identity?, but more specifically it ...
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370 views

How does biological evolution work in the block universe/b-theory of time?

The b-theory of time is often described as a film reel where the whole reel exists, but we can only view one frame at a time. The problem I have with this analogy is that it starts to feel too ...
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What are the specific characteristics of the theories about physics during ancient Greece that distinguish them from contemporary physics?

What are the specific characteristics of the theories about physics during ancient Greece that distinguish them from contemporary physics? By that, I mean what are the theories during that time ...
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270 views

Is this a good reasoning? That 3D Universe is shadow of 4D Universe [closed]

It may sound crazy but, in this 3D world there is nothing 2D, other then our shadow. Is it good to say that the shadow of 3D object is 2D, then shadow of 2D object would be 1D. Hence this 3D universe ...
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230 views

Relationism, Substantivalism, and Simultaneity?

I've been breaking my head open lately over special relativity and its conception of spacetime's dynamical as well as kinematical features. One thing that has stuck in my head is that of whether the ...
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203 views

Why is it not necessary to to tell what force is?

In his book, "Science and Hypothesis" on page no. 98, Henri Poincaré write on subject of defining force: [.....When we say force is the cause of motion, we are talking metaphysics; and this ...
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242 views

Physical correlates of consciousness

The term neural correlates of consciousness is well established (~ 277,000 Google results, one Wikipedia article), but I'd like to ask for more general physical correlates of consciousness (~ 6,000 ...
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370 views

How is the causality of mind consistent with the law of conservation of energy?

How is the causality of mind consistent with the law of conservation of energy? Intuitively, the mind can influence the physical world (with causality), and it is hard to see how such causality does ...