Recent questions in Theoretical Physics

+24 votes

0 answers

What is the difference between string theory and the theory of extra dimensions?

asked Mar 16, 2023 in Theoretical Physics by ~StevieB~

+61 votes

0 answers

Are there any reasonable theories of our universe’s creation that does not require dark matter/dark energy to exist?

asked Mar 16, 2023 in Theoretical Physics by SeraphicWhisper

+290 votes

0 answers

What is the evidence for and against the idea that we live in a two-dimensional universe?

asked Mar 15, 2023 in Theoretical Physics by tic tic

+87 votes

0 answers

A particle is moving along x-axis with acceleration a= ao (1 - t/T) where ao and T are constants. How can I calculate average velocity? (See details)

asked Mar 15, 2023 in Theoretical Physics by Bluenose2

+23 votes

0 answers

Why can’t physical quantities with different dimensions be added together but can be multiplied?

asked Mar 15, 2023 in Theoretical Physics by Surj

+22 votes

0 answers

How do virtual particles arise from the fluctuations of quantum fields?

asked Mar 15, 2023 in Theoretical Physics by DedicatedDIYer (4.0k points)

+224 votes

0 answers

Why is there a Milankovitch theory?

asked Mar 15, 2023 in Theoretical Physics by ponty01.

+114 votes

0 answers

What is the evidence for the existence of elementary particles?

asked Mar 15, 2023 in Theoretical Physics by buster14

+316 votes

0 answers

Are there any examples of massless particles that violate the Pauli exclusion principle in nature?

asked Mar 15, 2023 in Theoretical Physics by feva

+94 votes

0 answers

Is motion of a plucked string fixed at both its ends simple harmonic motion?

asked Mar 15, 2023 in Theoretical Physics by ian.foxall

+1 vote

0 answers

What exotic matter could violate the Pauli exclusion principle?

asked Mar 15, 2023 in Theoretical Physics by midnight cowboy

+68 votes

0 answers

Does every subatomic particle have a corresponding field like the Higgs boson and Higgs field?

asked Mar 15, 2023 in Theoretical Physics by exbg

+26 votes

0 answers

Why does general relativity not include quantum theory?

asked Mar 15, 2023 in Theoretical Physics by Neek_DIY

+949 votes

0 answers

Can the Creator be an entity of a higher dimension (10 or 11 dimensions), where we can imagine and see a third-dimensional being and a world just below us, but nothing higher than us?

asked Mar 15, 2023 in Theoretical Physics by tictic

+8 votes

0 answers

Is Light considered to be 3 dimensional? How many dimensions does a light-wave exist?

asked Mar 15, 2023 in Theoretical Physics by aml1989

+18 votes

0 answers

Have scientists found a grand theory of everything?

asked Mar 15, 2023 in Theoretical Physics by LuminousHorizon

+17 votes

0 answers

What is the definition of negative mass? Are there any physical objects that have negative mass? If yes, what are they called? If no, why not?

asked Mar 15, 2023 in Theoretical Physics by CosmicJester

+259 votes

0 answers

Why are free protons stable but free neutrons unstable?

asked Mar 15, 2023 in Theoretical Physics by STGO

+280 votes

0 answers

In quantum gravity, are we searching for what it comes from or where it comes from? Or something else?

asked Mar 15, 2023 in Theoretical Physics by StellarEcho

+2 votes

0 answers

How do smaller galaxies lose their dark matter?

asked Mar 15, 2023 in Theoretical Physics by Arj2008

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