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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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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-...
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Are mathematical suppositions of physical theories determined uniquely according to Aristotle and Plato?

Does mathematics apply to physics in one way or multiple ways? What do Aristotle and Plato think? It would seem that Aristotle thinks mathematics can be applied to physics in one way only because, ...
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Why do philosophical discussions of the teleportation paradox seem to ignore the physics involved?

When I read philosophy treatments of the teleportation paradox and related subjects like swampman, they seem to focus primarily on drawing analogies to various entirely different scenarios (...
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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 ...
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Does free will require an event to occur without a predecessor (thereby violating causality)?

From my understanding, a Mixed Quantum State defines the set of all probable outcomes for a system, but isn't there still only one outcome determined through the succession of factors leading up to it ...
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Physics, Theoretical Understanding and the Limits of Human Knowledge/Understanding

During an interview with Discover magazine, Roger Penrose makes the claim that a lot of the most theoretical physics, a la the physical theories that try to account for the discrepancies and ...
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Is time a physical factor or just a concept?

When thinking of cycles and myths, one cannot pass the idea of Kronos or Kali. That brought me to form some questions about the nature of time. Three definitions for time: Time is a measure of the ...
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Is there a known limit to relationship between physics and mathematics?

I am much interested in discussions such as Wigner's "The Unreasonable Effectiveness of Mathematics in the Natural Sciences". It's quite amazing that mathematics so well applies to our universe, and ...
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What philosophical problem did Newton solve?

In a philosophy 101 lecture I listened to recently, the lecturer said that if a philosopher is successful and is able to solve a philosophical question for good, the topic of that question branches ...
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Is the conservation of matter/energy principle and 'quanta' of Physics implicit in Lucretius ontology?

The Stanford Encyclopedia of Philosophys entry on Lucretius has: "First comes, in effect, Lucretius' ontology. Nothing comes into being out of nothing or perishes into nothing. The only two per se ...
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Aristotle's Physics: Why do objects strike the ground harder when dropped from higher?

It's my understanding that Aristotle believed 1) that gravity is a constant force toward the center of the earth, and 2) forces cause objects to move but not accelerate. It seems to me if those are ...
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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 ...
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What is the entropy of the universe at the time of the Big Bang? [closed]

High entropy generally means high disorder; and low entropy low disorder; the two paradigmatic cases that illustrate these two possibilities is a gas, for the first, and a crystal for the second. ...
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Was Einstein a philosopher?

Albert Einstein described the fact that he believed in 'god'; yet, he did not define that god as a personal god who actually existed as a separate being. He used the concept to describe everything ...
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What is the basis for attributing discontinuity to space-time?

Speaking of the discrete orbits of electrons, Bertrand Russell asks the following: "Do we know that, between one orbit and the next, other orbits are geometrically possible? Einstein has led us ...
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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 ...
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Does “ens materiale” = “ens sensible”? If so, why?

As far as I know, Aristotelianism and Thomism state that a material being is always potentially sensible. For example, there are microorganisms that we cannot see with the naked eye. But if we use a ...
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What is the difference between determinism and superdeterminism?

I know I need to add some body to the question, so I'll give you some links: http://en.wikipedia.org/wiki/Determinism and http://en.wikipedia.org/wiki/Superdeterminism. I have seen some comments that ...
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Time as a physical dimension

What is the intuition behind time being a physical dimension? I read the phrase "in cosmology terms, far away means long ago" somewhere and I got to thinking what if time is an emergent property of ...
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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 ...