Recent questions in Theoretical Physics

+37 votes

0 answers

What do we actually mean when we say there is no medium or there is a vacuum?

asked Mar 11, 2022 in Theoretical Physics by furious_customer

+2 votes

0 answers

How would the world appear to an organism that could see every surface of a 3 dimensional object at the same time? Would it be possible to render it in a 2 dimensional image?

asked Mar 11, 2022 in Theoretical Physics by threeof

+77 votes

0 answers

Does time-travel not require that entities are four-dimensional in impossible worlds?

asked Mar 11, 2022 in Theoretical Physics by phillips29

+23 votes

0 answers

What is the theoretical upper bound on the mass of a black hole, and what are the physical constraints that determine it?

asked Mar 11, 2022 in Theoretical Physics by Sokar

+52 votes

0 answers

What is the evidence for string theory and M-theory? What would observations of cosmic strings in space look like if these theories were correct?

asked Mar 10, 2022 in Theoretical Physics by NovaDreamer

+17 votes

0 answers

How can cosmology and physics not be lies when scientists can't even solve cancer?

asked Mar 10, 2022 in Theoretical Physics by btiw

+14 votes

0 answers

What is the work done in moving a particle in a force field given by F =3xyi-5zj+10xk along the curve x=t^2+1,y=2t^3 from t= 1 to t=2?

asked Mar 10, 2022 in Theoretical Physics by MysticNova

+257 votes

0 answers

How did Einstein come up with his theory of relativity, including calculations of space & time with such extreme precision, without doing any experiments at all?

asked Mar 10, 2022 in Theoretical Physics by Scribbler

+820 votes

0 answers

What are the implications of string theory for the nature of spacetime?

asked Mar 10, 2022 in Theoretical Physics by DJester

+1.3k votes

0 answers

To what degree do you consider theoretical physics a form of philosophy?

asked Mar 10, 2022 in Theoretical Physics by LunarCharm

+66 votes

0 answers

Why is mass said to bend spacetime? Is it not more of a compression of spacetime due to displacement alone? What would physics look like for this assumption?

asked Mar 10, 2022 in Theoretical Physics by CelestialScribe

+321 votes

0 answers

What industry can I go with a degree in high energy physics?

asked Feb 20, 2022 in Theoretical Physics by ChrisM123

+1.0k votes

0 answers

Why don't Physicists switch the arbitrary + and - values for particles with electric charge? The electron is negative due to a "bad" guess. A "good" guess would've made it positive. One day it may turn out to be not so arbitrary of a matter…

asked Feb 20, 2022 in Theoretical Physics by jizzard_of_oz

+18 votes

0 answers

How can some people educated as their religious literalists not find any place in their minds for the theories of modern physics, even though those theories were devised in the first place by devout believers?

asked Feb 20, 2022 in Theoretical Physics by Ed209

+4 votes

0 answers

How hard is it for someone with a non-physics major background like computer science to get into graduate programs for theoretical physics in prestigious universities?

asked Feb 20, 2022 in Theoretical Physics by desirechef

+54 votes

0 answers

Can many quantum mechanical particles be described by one wave packet?

asked Feb 20, 2022 in Theoretical Physics by fmchaos (2.3k points)

+521 votes

0 answers

How do you prove that the number of spacetime dimensions is not dependent on the choice of coordinates for a given solution in string/M-theory?

asked Feb 19, 2022 in Theoretical Physics by unphased

+1 vote

0 answers

What are some good books on Classical Field Theory for advanced undergraduate physicists?

asked Feb 19, 2022 in Theoretical Physics by SolarisScribe

+1 vote

0 answers

Is it possible that the four fundamental forces and dimensions are the same thing?

asked Feb 19, 2022 in Theoretical Physics by ACP25

+19 votes

0 answers

Who is Ashok Sen? What is his contribution to physics?

asked Feb 19, 2022 in Theoretical Physics by Speedy23

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Recent questions in Theoretical Physics

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