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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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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?
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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 ...
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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, ...
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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 ...
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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 ...
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field concept - historical and contemporay perspectives?

Can someone give me some reference (or insight) on the development of the field concept in physics. In particularly, the period between 17th century Newton/Leibniz notion of force/action-at-distance ...
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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 ...
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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 ...
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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 ...
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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 ...
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Are Theists and physicists talking about an empty universe or no universe at all?

When they talk about the beginning of the universe, are Theists and physicists talking about an empty universe or no universe at all? It is fairly straightforward to imagine an empty Universe - an ...
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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 ...