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.

learn more… | top users | synonyms

0
votes
0answers
23 views

What is the minimum math level required to comprehend general relativity? [duplicate]

I am currently working on a B.S. In chemistry and only need to go up to Calculus II, though I like to dabble in physics. What other math classes could I take to gain greater understanding of higher ...
-2
votes
0answers
33 views

How to start teaching? [on hold]

Twenty years ago I was professor of mathematics and mechanics in Russia. Here, in the USA, I've never had experience in professorship. Today I have maybe a strange idea to try to educate people ...
2
votes
2answers
118 views

Physics without math [on hold]

If anybody could imagine an advanced civilization with advanced knowledge of the universe(s) but without a mathematical language, how would they use their knowledge? How could it be possible to ...
-1
votes
0answers
74 views

Physics Culture and the Attitude Towards Pure Math [on hold]

To preface my question, I think it's important that I explain my experience studying both physics and pure math at the university level. I am American (as I'm sure education in different countries ...
1
vote
0answers
37 views

What is the best order of learning mathematics before start Monte Carlo Methods for Physics simulation? [closed]

I doing medical physics masters and hope to start my research in Monte Carlo methods to simulate some particle interaction and hence to calculate some unknown physical quantities ( Stopping power and ...
1
vote
2answers
314 views

How can I make my younger brother's interest in physics at home? [closed]

This is a soft question. I have a younger brother who is in 10th standard but he don't like subject of physics at all. When I asked reason for it he says he gets bored in mugging the formulas of ...
-2
votes
1answer
56 views

Reading a Paper on the Cosmological Constant Problem [closed]

My professor wants to give me (and another kid) a problem in quantum cosmology. To that end, he asked me to read through his recent paper that appeared in the Physical Review Letters. He said that I ...
-4
votes
0answers
32 views

General question on the site's mechanism [migrated]

This is my first post. I need to know if I can ask some homework problems on here. Not full problems but after I provide my attempt at the problem.
0
votes
1answer
55 views

How do I differentiate between units and variables on my notebook? [closed]

On computer systems, variables are written in italics, as $m$ or $s$, and the units as $\mathrm{m}$ or $\mathrm{s}$. It is very incovenient to do italics for variables and upright for units while ...
0
votes
1answer
61 views

If we were able to manipulate enough energy, could we use the higgs field for any practical application? [closed]

My question is, the fields in the standard model interact with each other, and when we are able to manipulate some of them through different engineered devices, we can transform the energy field into ...
3
votes
3answers
88 views

What is “normal” about normal frequencies and normal modes in coupled oscillations?

So, my question is what does the "normal" part mean when one talks about normal frequencies and normal modes in coupled oscillations. Does it have to do with the normal coordinates that one uses when ...
1
vote
1answer
28 views

How are you the special points/critical points in the Brillouin Zone pronounced? [closed]

I know that this isn't exactly physics, but I don't know where to ask. http://en.wikipedia.org/wiki/Brillouin_zone#Cubic_lattice_system_CUB.281.29.2C_BCC.281.29.2C_FCC.281.29 The critical points/...
0
votes
1answer
64 views

Four Vectors in SR and QFT

I'm covering both special relativity and quantum field theory in the summer. I'm currently using Spacetime Physics by Taylor and Wheeler to cover SR. Since I'm covering SR on the side with QFT, I'm ...
11
votes
13answers
375 views
+50

How to pour water from a bottle as fast as possible

When one pours water out of a bottle, it first flows smoothly but then a pressure 'blockage' develops and the pouring becomes interrupted and turbulent, so that the water comes out in splashes. This ...
-1
votes
1answer
41 views

renormalization and set theory

I am in high school, thus most of what I know about the topics I ask comes from popular science books, which risks asking some dumb questions, because I rarely understand the math behind. It is my ...
0
votes
2answers
82 views

Fun to read non-Feynman introductory physics book [duplicate]

I am an almost layman in physics, and don't know much in math (only basic knowledge upto trig ), and want to learn physics . . As I am completely inexperienced, and considering most of ...
0
votes
0answers
17 views

Why are transuranium actinides true elements or are they brief coproducts of man made transmutation?

The first 92 elements, accept technetium 43, on the periodic table can be found in nature and they are considered stable elements. The actinide series of elements which are artificially generated ...
0
votes
0answers
22 views

Spivak for a soon to be undergrad. physics student [duplicate]

I'll soon start my undergrad. studies in physics and because of that I picked up Spivak's Calculus a while ago to get a solid foundation in single-variable calculus before I start my studies. However, ...
0
votes
0answers
20 views

What are Pre-requisites for General Relativity [duplicate]

I have a background in Electrical engineering. However, I have a passion for physics and want to do my Masters in Physics. I was hoping to do some sort of self - study in topics that I have not ...
0
votes
0answers
21 views

Causal networks and “local” entanglement

On his Opus Maximus, a new kind of Science, Stephen Wolfram suggests that causal networks can create behaviour similar to entanglement because the local structure of space is only an averaged ...
-2
votes
0answers
27 views

Book on thermodynamics for International Physics Olympiad? [duplicate]

I'm a junior in high school studying for the IPhO and I've started learning thermodynamics as part of my preparation. I have a guide to the exam that says things like this will be tested: Carnot ...
-3
votes
0answers
20 views

Books for students [duplicate]

Can any one please suggest me books for physics. I need a book for good theory and concept . And a book for practice , it should contain some solved questions. The both the books should contain ...
0
votes
0answers
25 views

High School Physics What to Do [duplicate]

I am an aspiring physicist in high school and I would like to know ways to get involved. Of course, it would look great for potential physics colleges, but I really want to understand physics better. ...
-5
votes
2answers
88 views

Soft question - Why do theoretical physics ? and what is its motivation? [closed]

Okay some background - I am a Theoretical physics graduate student (and i would go even further calling myself a math person) and quite recently I have been into this question and am finding it hard ...
0
votes
0answers
22 views

What is the name of basis states of bulk k.p Hamiltonian?

A k.p Hamiltonian for a bulk material can be represented by 8x8 matrix in basis of $|S\uparrow\rangle$, $|S\downarrow\rangle$, $|X\uparrow\rangle$, $|Y\uparrow\rangle$, $|Z\uparrow\rangle$, $|X\...
0
votes
1answer
58 views

Notation of integrals

Hi I am relatively new to quantum mechanics. I encountered a certain use of notation which I am curious about, I will provide the context and question now: We have the basis $\{ | \vec{r} \rangle \} ...
0
votes
0answers
19 views

How to convert from overtone to harmonics and vice versa?

I was given this question: If the pipe length in a tube is 1.9 m, at the air temperature inside the tube is 28 °C, determine the fundamental frequency of the note played, fourth harmonic and the ...
-1
votes
2answers
86 views

Is electromotive force really a force? [duplicate]

As far the definition goes emf of electromotive force is basically potential difference. It even has dimensions of potential. Then why is it called a force?
3
votes
0answers
129 views

How are these modern, sexy physics figures made? [closed]

I am curious to know how the figures in these popular introductory physics textbooks are made. As examples of what I mean, see the posted figures and my comments, all from various editions of Serway ...
3
votes
0answers
46 views

Physical Interpretation of the Graph of the Legendre Transform?

See Making Sense of the Legendre Transform and Legendre Transforms for Dummies. Look at the following diagram from the first link: I was trying to think of the simplest example to interpret this ...
0
votes
2answers
74 views

What is beyond Gamma Rays and Radiowaves in the Electromagnetic Spectrum?

The electromagnetic spectrum is commonly refered to as consisting of; Radio-waves, Microwaves, Infrared, Visible Light, Ultraviolet, X-rays, Gamma Rays - of increasing frequency from left to right. ...
1
vote
1answer
54 views

Quantum teleportation and macroscopic objects

Purely speculative. If not allowed, I'll delete. If quantum teleportation was scalable to macroscopic objects, I assume it would require an amount of matter at the destination, equal to the amount of ...
25
votes
3answers
2k views

The scope of physics, as taught in modern times

I am asking this question based on my recent experience as a physics major at a well-known school of science and engineering. My basic question is, Why does the field of physics (at least at an ...
0
votes
0answers
19 views

2-D Ising model temperature of equilibrium [duplicate]

I have simulated 2-D Ising model in C#, but my scatter plot for magnetization versus temperature is an decreasing line (you know that the correct plot decreases quickly in a temperature near 2.3). I'...
0
votes
1answer
69 views

What is gate symmetry?

I just read this interesting interview with Frank Wilczek and he talks a couple of times about gate symmetry, without ever defining the term. This isn't a term I've come across, and google throws up ...
-1
votes
1answer
53 views

Sequence of topics for studying quantum theory (Research strategy) [duplicate]

I am trying to learn about the higher level basics of physics. I want to cover up all that is included in particle physics/quantum physics. Now being in high school, I only know partially about ...
3
votes
0answers
69 views

Self Learning Quantum Mechanics and QFT, how to? [closed]

I've searched the board and several threads were found, but they all were very old and closed. I'm interested in learning and understanding quantum mechanics, after that possibly also QFT. I have ...
0
votes
1answer
39 views

How to consolidate what you've learned? [closed]

I'm reading through two books right now on the topics on quantum mechanics and particle physics. I'd like to know, how does one generally go back and consolidate what they've learned? There are ...
0
votes
0answers
29 views

Clear, coherent electromagnetism textbook [duplicate]

I have recently finished a year-long introductory undergraduate course on electromagnetism, but I did not get a very good sense of how everything fits together conceptually. Are there any good ...
1
vote
0answers
19 views

Water maintains equal level in connected vessels. What is this property called? [closed]

How water maintains same level in connected tubes or vessels? Is this a specific property?
0
votes
0answers
52 views

Does the analogous saying: “matter is essentially 'condensed' energy” have any merit?

Einstein in his derivation of special relativity came upon the equivalence of energy and matter, and given the right circumstances, the relation can go either way - matter can become energy, and ...
-1
votes
2answers
109 views

Disproving the mathematical universe hypothesis [closed]

The mathematical universe hypothesis is claimed by Lee Smolin to be falsifiable: [...] it is easy to disprove the mathematical-universe hypothesis. Simply exhibit one property of the natural world ...
0
votes
2answers
139 views

How are unitary matrices and unitary random matrices associated with physics or quantum mechanics? [closed]

Please forgive my ignorance, my back ground is not physics. I am looking for distance measure between two unitary matrix (for my work). So my starting point is where else unitary matrix is applicable?...
3
votes
0answers
31 views

Lab equipment - where to start [closed]

I've started to seriously study physics on my own, using various resources such as edX courses etc. However I believe that carrying out experiments will help me gain a deeper understanding of the ...
1
vote
0answers
39 views

Understanding the mathematical terms in Physics [closed]

I understand well only when I get a physical picture of the concept. Is it good? or should I change.
1
vote
1answer
33 views

What is geomagnetic text? [closed]

What is meant by the term "GEOMAGNETIC TEXT"? I googled it but could not find any information about it. My textbook mentioned it as some kind of reference book and tells that calculated magnetic field ...
-2
votes
2answers
98 views

What causes the expansion of space? [closed]

What is causing space to expand? Is it due to some kind of innate property or is it due to some force? I did a google search on this and found lots of articles explaining that space is expanding ...
-2
votes
2answers
85 views

Could I create a banana? [closed]

As I understand it, until such time as stars were formed and heavier elements could be created, there was just hydrogen and helium, plus trace amounts of lithium an beryllium. Question: if everything ...