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.

Filter by
Sorted by
Tagged with
2
votes
2answers
105 views

What's the difference between logical modalities and physical modalities?

I am just wondering what's the difference between the two. I would say that there is something different, but honestly I can't define what it is exactly. What do you think?
1
vote
0answers
40 views

Different forms of appearance [closed]

How is it in philosophy called, when a thing has different forms of appearance in society? For example Marx has this notion of "Value" and Value can have different forms of appearance, for example use-...
0
votes
3answers
126 views

What are the benefits of three dimensional space? [closed]

In zero dimensional space, differentiation is impossible. It's necessary (as far as we know) for things to be in two different places to distinguish between them. So, as Euclid says, a point is that ...
1
vote
0answers
76 views

Magical explanations in science? [closed]

Why can scientists use a magical explanation such as "we do not know what's the origin of the first energy particle that existed in the universe, so we assume it was always there" with total impunity ...
1
vote
1answer
63 views

What is the historical relationship between physics and philosophy?

I often hear people say that physics is/was part of philosophy or that philosophy gave birth to physics but I think this isn't correct. Imagine a big country called anonati. After a civil war, ...
4
votes
7answers
3k views

Is it theoretically possible for a bottomless pits to exist in a finite universe?

Assuming that our universe is finite, is it still theoretically possible to have a bottomless pit? This all really depends on the definition of bottomless pit. I don't know that I can accurately ...
0
votes
1answer
112 views

Does the reversibility of laws of physics prove that causality doesn't exist?

Does the fact that the fundamental laws are symmetric with respect to direction of time show that causation does not exist? Since causality always requires the cause to precede the effect, but laws of ...
0
votes
0answers
198 views

Is it there any theory or model in theoretical physics that is akin to Tegmark's Mathematical Universe Hypothesis?

Physicist Max Tegmark proposed a hypothesis that asserts that all mathematical structures do exist as universes. (https://en.wikipedia.org/wiki/Mathematical_universe_hypothesis) But this hypothesis ...
1
vote
0answers
115 views

Did Wheeler's “It from Bit” allow inconsistencies to exist?

Physicist John Wheeler proposed a model of the universe based on "It from Bit" asserting that the world is fundamentally information. I've been told both that Wheeler's It from Bit is compatible with ...
1
vote
0answers
83 views

What is the meaning of using a mathematical structure to describe physics?

I'm trying to understand the meaning of using a mathematical structure in order to do physics, what does this really mean? My idea is that first we performs experiments on a physical system in order ...
1
vote
2answers
83 views

Perpetual Division

I recall a story about a philosopher who proposed an idea that everything is essentially perpetually divisible. That is to say, you can divide a whole into two halves and for each half (regarded as ...
1
vote
4answers
556 views

Philosophy - Does Einstein's Block Universe theory prove Nietzsche's Eternal Return theory is true?

If the Past, Present, and Future all exist in exactly the same way, then every single moment would be a ‘Now’ moment for me. it would also mean that me being dead in the future is equally real in the ...
0
votes
0answers
50 views

Is it there any model of the universe or any (physical) cosmological theory or model completely compatible with trivialism? [duplicate]

Trivialism is a system that proposes that literally every proposition is true and false at the same time blatantly breaking the principle of no contradiction and triggering the principle of explosion (...
1
vote
2answers
335 views

What would the existence of the multiverse mean for theology?

The multiverse seems to be gaining traction of the scientific community, even becoming the prevalent worldview. It seems some types of the multiverse theory, such as the many-worlds interpretation, ...
0
votes
0answers
57 views

Can we measure “braverity” objectively?

By saying "bravery/courage", we implicitly mean a hard task that we wouldn't do it in daily life, and we have to sacrifice something to get it - we are scared. It is, after all, just a cost-benefit ...
1
vote
0answers
65 views

What were Hegel's criticisms of Newton?

I recently read this thread THREAD describing the relationship between Hegel and Newton. Apparently, Hegel misread Newton's principia, and criticized a specific point of science on Newton. This is ...
6
votes
5answers
2k views

Is the delayed choice quantum eraser a refutation of principle of causality? How does contemporary philosophy make sense of it?

Causality, as per Wiki Is the relation between an event (the cause) and a second event (the effect), where the first event is understood to be responsible for the second. For this relationship ...
5
votes
3answers
2k views

What would a fractal universe tell us about Time?

To begin with let's look at what is known as the coastline paradox. Briefly it goes like this: If you measure the circumference of Britain with a 1km long stick, and then do the same with a 100m long ...
-3
votes
3answers
108 views

If the universe is flat, how can the Earth be round? [closed]

Just another silly question that may deserve a wise answer.
-4
votes
2answers
143 views

Why is modern physics still connected to Western notions of time? [closed]

as Rasheedah Phillips says “Afrofuturism uses a completely different construct of time and engages a different notion of time consciousness and notion of the future than does the European brand of ...
4
votes
5answers
5k views

What is the opposite of the reductionist approach?

I am searching for two opposite words in philosophy of science to describe two opposite approaches in physics. To illustrate what I am searching for I will use statistical physics and particle physics ...
1
vote
2answers
210 views

What is the most basic thing? [closed]

I wanted to know that what is the most basic or the basicestest thing that makes up the universe? Just like a wall is made up of bricks and bricks are made up of atoms and atoms are made up of ...
4
votes
2answers
78 views

Are all unobservables in physics very small?

Are all unobservables in physics very small? I think I've read that the interior of the sun is an unobservable, and so entity realists like Ian Hacking have to claim we can't know anything at all ...
4
votes
4answers
218 views

Why are physical laws so simple?

Many of the most general physical laws are very simple, from Einstein's law of General Relativity to Schrodinger's Equation in quantum mechanics. Why aren't are most basic physical laws incredibly ...
1
vote
3answers
857 views

Philosophy - Does the block universe theory of time mean that life will repeat after death?

I have suffered severe anxiety, sadness, regret, and depression since I was 13, I had 2 trapped-feeling panic attacks when I was 13 I am now 17 and fighting off frequent urges to have a trapped-...
16
votes
7answers
1k views

How much philosophy should a physicist know?

I began to read Hawking's recent book 'A Grand Design' some time ago and noticed that he savages philosophy. He says '...philosophy is dead. Philosophy has not kept up with modern developments in ...
3
votes
1answer
230 views

Epicureanism and speed of light

I have heard that Epicurus stated that light has the speed of thought. What did he mean by this? My hypothesis is he intended to say, in a way, that the speed of light is infinite. But then, why was ...
5
votes
2answers
296 views

How would you describe the relationship of science and philosophy of science?

How would you describe the relationship of science and philosophy of science? Is it a worldview that sets a tone to scientific jargon? I mean that statements of eg. physics are under submission of the ...
9
votes
5answers
3k views

Can we be Boltzmann brains? Or, how can we be sure there is no conspiracy about the past?

The way things are traditionally presented about time, there is the present, the past is fixed, and the future is open. The second law of thermodynamics is invoked. But how can we be so sure the past ...
1
vote
1answer
146 views

Where does the sense of self come from?

We human beings experience a sense of identity, an inner personality. I assume Machines and computers do not. Animals also seem to possess consciousness and some sort of sense of self. Where does ...
1
vote
2answers
316 views

Can something be really random?

Before you tag my question as a duplicate I want to make sure you understand it. Earlier I saw a video about Schrödinger's cat that says once we open the box to see if the cat were alive or dead the ...
4
votes
2answers
242 views

Does Alvin Plantinga's solution to the problem of divine action entail a total denial of the applicability of Newtonian physics to the world?

Alvin Plantinga offers at least two major solutions to the problem of divine action; that physical laws of the Newtonian sort are (often implicitly) qualified to apply only to causally closed systems, ...
8
votes
5answers
719 views

Can anything truly be simultaneous?

I was looking at a discussion about simultaneous causation and something that came up was that all physical processes take time. So nothing can truly be simultaneous. And yet, we have philosophers ...
0
votes
1answer
115 views

If time is going to end, then did it have a beginning? How do we know time will end?

Why do most physicists believe time is finite? What proof do we have that time is not infinite and therefore will never end? And how can 'time' actually come into existence if something coming into ...
-1
votes
1answer
161 views

Philosophy - Is Nietzsche's Eternal Return theory true?

Is Nietzsche's Eternal Return theory true? I am extremely worried that it is because of the very likely fact that Einstein's Block Universe theory is true, and what renders Einstein's Block Universe ...
0
votes
1answer
126 views

Philosophy - If both the Rebound Universe and Block Universe theories are true would that mean Nietzsche's Eternal Return theory true?

If the Block Universe is true, and if the Rebound Universe is also true where the universe goes from Big Crunch to Big bang then doesn't that mean that the Block Universe is shaped like a circle where ...
32
votes
12answers
9k views

Why is the complex number an integral part of physical reality?

In modern physics, the quantum wave distribution function necessarily uses complex numbers to represent itself. If physics defines the physical reality, then what we are saying by the statement above ...
1
vote
5answers
284 views

Why do physicists increasingly seek to understand more fundamental pieces of matter?

Why do physicists seek to study and explain more fundamental qualities of matter as opposed to stopping at a certain point and testing more predictions of macro-level models? What benefit does the "...
4
votes
6answers
1k views

Does all matter exist forever?

I was reading about non-duality (spirituality / philosophy) that discusses the idea that everything in reality is one, since any matter can become any other matter, (a tree can become a chair and a ...
1
vote
3answers
369 views

Is there a fundamental ontology in Physics? What is the universe fundamentally “made of” according to Physics?

Is there a fundamental ontology in Physics? According to Physics, what are the fundamental "things" (whatever they may be) that in combination define the whole universe, such that they are not ...
2
votes
1answer
54 views

What are the third and fourth ways in which William Charlton says “being” is used in Aristotle?

I'm reading William Charlton's commentary on Aristotle's Physics I and II, and I am having trouble with the following: Aristotle recognizes four main "ways in which a thing might be said" i.e. ...
3
votes
1answer
61 views

What should be first according to Aristotle: the nature of being or the nature of explanation?

I see that in his Metaphysics he starts speaking of the nature of explanation as if he thinks, I think, that it is key to be understood before moving to the investigation about being. But then, in his ...
5
votes
7answers
241 views

One big theory of Everything (TOE) or multiple “domain specific” theories?

It's common to hear that physicists are trying to find a Theory of everything (TOE). We "logically" consider the more elegant / concise theory as true ... because beauty is thruth ... or is it ? What ...
3
votes
1answer
45 views

When Aristotle is speaking of things that are clear to us, is he thinking of entities or formulas?

I'm reading the commentaries of Aristotle's physics book I by William Charlton and he starts this debate in his commentaries. But it was too brief for me to grasp. As I understand, the question is ...
0
votes
1answer
87 views

Aristotle on the impossibility of the indivisibility - Aristotle's physics book I

I'm having trouble with the following part of Aristotle's physics (185b17-185b18): But to proceed: If their One is one as indivisible, nothing will have quantity or quality, and so what exists ...
2
votes
1answer
173 views

Do naturalists think that only microscopic physical things exist?

I was reading an article on time in physics, which is meant to emerge at the macroscopic level. This is interpreted as that it does not really exist. Is that because only microscopic physical things ...
3
votes
4answers
210 views

Is the phenomenom of “subjective consciousness” or “qualia” formally captured by any state-of-the-art Theoretical Model in Physics?

Is the phenomenon of "subjective consciousness" or "qualia" formally captured or defined by any state-of-the-art Theoretical Model in Physics? If so, can you share a brief summary of such ...
0
votes
2answers
54 views

Aristotle notion of action in his physics?

I do not understand the notion of action in the following paragraph (Phys. 199a9–20): As things are in action, so they are in nature; and as they are in nature, so they are in action, so long as ...
1
vote
0answers
36 views

proofreadiing a paper on Descartes. Need help on line “a true physics…”

I'm copy editing a paper on Descartes written by an Italian in French and then translated into English. I need some help with a phrase she uses: "... a true physics..." I have no background in ...
1
vote
3answers
136 views

Domain of free will in OUR physical system

When we speak of "free will" we often imply it to be "a particular sort of capacity of rational agents to choose a course of action from among various alternatives". This capacity is contained by our ...