Questions that ask about some aspect of physics research or study which doesn't involve the actual physics. In general, soft questions can be answered without using physical reasoning.

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1answer
20 views

Is beauty a valid guide for doing research in theoretical physics? [on hold]

It would appear that the goal of theoretical physics ought to be finding a truthful accurate description of reality. However, many theoretical physicists — especially string theorists — ...
3
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1answer
76 views

“And God said…and there was light.” What does these equations mean? [duplicate]

Today while I was on the Internet I came across an interesting picture, that caught my eye. It's : I don't have to explain why this picture seems interesting to someone who knows the meaning and ...
0
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0answers
56 views

Is gravity really well described? [on hold]

From what I know, gravity is a natural phenomenon by which all physical bodies attract each other. I'm wondering, however, about the nature of the gravity theory. As established in the definition, ...
0
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2answers
55 views

Maths behind gravity assist

What kind of maths is behind gravity assists and in general the theory of orbits, and how deep does it go? I am just wondering if I know enough prerequisites!
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0answers
31 views

Spivak's Physics for Mathematicians [on hold]

I would like to ask for some details on Spivak's Physics for Mathematicians (Mechanics): is this textbook suitable for a first exposure to physics for a math undergraduate? what knowledge is assumed ...
-3
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0answers
37 views

Physicist look-alikes [on hold]

I think that the young Pauli looks nearly identical to Jimmy Fallon: Pauli: http://upload.wikimedia.org/wikipedia/commons/thumb/4/43/Pauli.jpg/250px-Pauli.jpg Fallon: ...
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0answers
21 views

Application of Boltzmann's Box [on hold]

Does our universe work like the Boltzmann's Box? If not, does it have any application in the real world?
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0answers
85 views

What is the difference between a philosopher of science and a theoretical physicist? [on hold]

What is the characteristic objective difference in objectively observable attitudes and research styles between a philosopher of physics and a theoretical physicist? Was Ernst Mach more of a ...
3
votes
1answer
54 views

What topics do I need to study electromagnetism on the quantum scale? [on hold]

What topics do I need to study (in order) so that I can study electromagnetics on the quantum scale? What is the name of the discipline studying electromagnetism on the quantum scale? Do I need to ...
2
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0answers
33 views

What are some good physics websites for learning in general? [duplicate]

As a 17-year-old who is interested in physics and especially in the laws of the universe, what are some good websites that are clear explanations and straight to the point?
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0answers
40 views

Specialization in studying theoretical physics (edited) [closed]

As a young student very interested in physics, it is my goal in life to learn more about the world through the pursuit of theoretical physics, and to make a contribution to the field. Of course, one ...
-1
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3answers
75 views

Is it acceptable to base a physical theory on a philosophical idea?

Are theories that are based on the philosophy acceptable in Physics? If the theory is based on the philosophy that obtained from laboratory experiments, can it be accepted?
4
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0answers
80 views

Can a discoverer give the name he wants to his finding? [migrated]

Let's assume that some scientist discovers a phenomenon that has never been noticed before. He wants to write a paper about it but he doesn't want to constantly write "effect of change of some ...
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0answers
15 views

Relativistic non-linear Walecka model

What is meant by a relativistic non-linear Walecka model? What are some various sources to study it? [And why cannot Google show a satisfactory result to such a simple question?]
3
votes
3answers
355 views

What's the difference between “numerical methods” & “mathematical analysis” as said by Feynman in his lectures?

While reading his lectures, I came to these lines: On the basis of Newton's second law of motion,which gives the relation between the acceleration of any body & the force acting on it,any ...
1
vote
1answer
43 views

Practical Book on Hamiltonian and Lagrangians? [duplicate]

Are there any terse, accessible books that are geared specifically at learning these two formalisms and how to effectively use them? So far I've only see either topic introduced as a part of another ...
0
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0answers
40 views

Experimental physics book suited for a math student [closed]

I am currently a Master's student in Mathematics who is very much interested to learn advanced physics (QFT, Particle Physics, GR,Cosmology). The main focus of my undergraduate programme was on ...
1
vote
0answers
34 views

Why Penrose's conjecture that consciousness is affected by quantum phenomenon too much of a stretch for Hawking [closed]

Why did Stephen Hawking feels that Penrose's statement on quantum consciousness is too much of a stretch? This is a classical reductionist argument. Humans are made by atoms, atoms are made by ...
1
vote
2answers
75 views

How “fundamental” is quantum information/computation?

I am wondering how fundamental the study of quantum information theory and computation is, in the sense of contributing to our understanding of the basic laws of nature. Will quantum information ...
1
vote
1answer
62 views

Research papers readable by first years? [closed]

This coming Spring I'll be running a Mechanics I lab for freshman (as a teaching assistant) and I'll have some say as to the way I do it. So I was thinking it would be nice if I could find some ...
1
vote
1answer
69 views

Where did the Word 'Physics' Come From? [closed]

As the title suggests, where did the name for the discipline 'Physics' come from? - does it mean something in Greek?
1
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0answers
75 views

Is multiverse generally accepted among cosmologists? [closed]

Is it consensus among cosmologist that there is probably at least one type of multiverse? Is there any renowned physicist who rejects the idea of multiverse? I'm not talking about those who claim it's ...
3
votes
1answer
61 views

Greiner or Landau for Math major student? [closed]

For textbook series by Greiner or Landau, is it recommended to start reading for math major students, who have no serious physics background, but comfortable with maths ? It seems that both Greiner ...
0
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0answers
3 views

Of which thing in physics is the logo (graph) of physics.stacexchange.com [migrated]

Since I visited physics.stackexchange, I am really curious what function has such a graph or is it just random. I am referring to the graph logo of this stackexchange community
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0answers
42 views

US versus International physics GRE Scores [migrated]

Browsing various phd admissions programs, I consistently find that there is a higher expectation of international students on the physics gre for admission. For example, at UT Austin, the average ...
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0answers
25 views

Confusion about the use of the term “Phase Space” in Strogatz text

I've just started learning about Hamiltonian mechanics, and from the definition given in Taylor's classical mechanics, phase space must always have an even dimension. However, I recall from reading ...
0
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3answers
121 views

Proof in physics

Is 100% proof of a theory possible in physics, or all we can do is to see how well it stacks up against observations and then decide if we accept it or not? If so, isn't there a danger ,however ...
0
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1answer
111 views

What is this simple mechanism called? [closed]

I often build with Lego and use this mechanism: It converts the rotational movement to linear by making the stick between the two blocks go back and forth. What is this mechanism called?
0
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3answers
48 views

Image angle illusion [closed]

I am not sure whether this question on-topic here. (please suggest to migrate if this is off-topic) What is the phenomenon/illusion (or something else?) known as where in a photo of a person, the ...
0
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2answers
82 views

Why is a thought experiment a valid way to prove anything?

Isn't a thought experiment as subjective as you could make science be? Is it that since it is impossible with our current methods, we are simply skipping too many hurdles that would have to first be ...
1
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2answers
47 views

What really is “inertial force”?

In Fluid Mechanics we often see the term inertial force when discussing Reynolds number. The problem is, I didn't really get what's this inertial force. Basically, the notion of inertia I have is that ...
1
vote
1answer
30 views

Specific scenario involving rotation and inertial frames of reference?

We recently went over some rotational motion in my freshman physics class, I had a question for the professor on your frame of reference, and how that would effect the rotation of the object. Say you ...
1
vote
1answer
31 views

The spin and weight of a primary field in CFT

A primary field in Conformal Field Theory transforms as $$\phi (z,\bar{z}) =\left(\frac{dz}{dz'} \right)^h \left(\frac{d\bar{z}}{d\bar{z}'} \right)^\bar{h}\phi (z',\bar{z}') $$ under a conformal ...
2
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0answers
72 views

Which field of theoretical physics is most promising? [closed]

I'm about to choose university and I really love physics, but I don't know about use of it. What field is most promising to study? Where could I work with subatomic particles PhD? Or maybe nuclear ...
1
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0answers
32 views

Will the usage of Exo-Skeleton Gear actually weaken the human body over time? [closed]

As we all know, Exo Skeletons as they exist now are just a series of Force multiplying apparatuses working together, also the human body changes to accommodate environment specific factors in order to ...
3
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2answers
111 views

Are Mathematics the language of the universe? [closed]

I am a high school student and next year i am going to be a physics major, so this year i put all my effort on physics and mathematics, since it a great tool for physicists. But now i wonder, in ...
0
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0answers
46 views

Good introduction to classical mechanics with math [duplicate]

Right now, I'm reading "Classical Mechanics" by Kibble and Berkshire. Already in chapter 2, I have found a concept being discussed that assumes you have prior knowledge. Specifically, it describes the ...
5
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0answers
81 views

Is Physics really a rigorous subject? [closed]

Though I can't give a precise definition of the term rigor (or better to say mathematical rigor) but intuitively in case of mathematics one may note that when we say that 'the proof is rigorous' we ...
3
votes
1answer
68 views

Does Bell's inequalities also rule out non-computable local hidden variable theories?

I have beenn reading different articles on Bell's assumptions and interpretations, including superdeterminsm. I always end up dizzy when I try tho think about this specific question, so any hints ...
2
votes
2answers
99 views

Differences between astronomy, astrophysics and cosmology? [closed]

What is the main difference between Astronomy, Astrophysics, and Cosmology? I have the impression that astronomy is a subject that runs parallel to physics but it is outside the physics field. This ...
0
votes
1answer
31 views

Ideas for physics-related simulations to code up as weekend (or monthly) projects [closed]

What are some good ideas for simulations that I could try to implement/code in my spare time just for educational purposes? I'm thinking that it would be a good way for me to delve into the underlying ...
3
votes
1answer
53 views

Is there a scientific term for star formation?

It might be my stupidity to think that many laymen terms that most people use to describe some physics phenomena usually have a scientifically accepted term or name? The process of star formation, ...
2
votes
2answers
95 views

Is a quark bomb possible?

I am wondering about the possibility of making a bomb out of the binding energy of quarks inside hadrons. I know that about confinement and all that, but I wonder if there is a way to harness this ...
1
vote
1answer
116 views

What kind of math is used in QFT? [duplicate]

What branch(es) of math are used in Quantum Field Theory? Or the question, by way of analogy: Tensor Calculus is to General Relativity as What is to Quantum Field Theory?
1
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0answers
40 views

How big does a natural gas compressor station have to be, so as its possible explosion to produce power equal to that of a nuclear bomb [closed]

I live in Greece and a natural gas compressor station is going to be constructed within a radius of 3km. That got me wondered. Can a possible explosion produce equal power with the little boy, the ...
1
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2answers
40 views

Non-random observations (regarding physical quantity)?

Are there completely deterministic observations? More detailed: Talking about an observations process for which of the following sentences would you vote: Version 1 (always random): "These ...
0
votes
1answer
44 views

What's the relationship between input power and intensity / frequency of radiated EM waves?

I've seen an example of an electric dipole that radiates power proportional to $\ \omega^{4} $. My question is: given a fixed amount of input power to drive the dipole, while varying the driving ...
-2
votes
1answer
70 views

Effects of travel greater than speed of light [closed]

What will happen if a person with say weight of 100 kilograms, starts to travel with, a) equal to speed of light? b) greater than speed of light?
10
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4answers
509 views

What is an interpretation of quantum mechanics?

In the sense of "Copenhagen Interpretation", what exactly is an interpretation? What purpose does an interpretation serve? Can an interpretation be tested or even be correct or incorrect independent ...
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2answers
157 views

A universe of a finite but increasing number of states of motion?

A limitation of the geometric models of universe is that space locally is considered as a volume, whilst volume is a part of a selected system of inertia. Wouldn't it be more adequate to consider (the ...