Recent questions in Theoretical Physics

+72 votes

0 answers

If the multiverse is real, how many of “me” are out there?

asked Nov 19, 2022 in Theoretical Physics by EmberPulse

+24 votes

0 answers

If spacetime is continually expanding, does this mean that we too, who have space within ourselves, are expanding along with it?

asked Nov 19, 2022 in Theoretical Physics by marko

+14 votes

0 answers

What are the potential problems with the existence of a Higgs particle (Higgs field)?

asked Nov 19, 2022 in Theoretical Physics by RadiantPulse

+18 votes

0 answers

What is the difference between quantum field theory (QFT) and quantum mechanics (QM)? Why is the number of particles conserved in QFT but not in QM?

asked Nov 18, 2022 in Theoretical Physics by NebulaHarmony

+269 votes

0 answers

In “Interstellar”, at the end of the movie, are Cooper and Brand going to be the same age when reunited?

asked Nov 18, 2022 in Theoretical Physics by SereneFlare

+6 votes

0 answers

What is the relationship between black holes and the curvature of spacetime?

asked Nov 18, 2022 in Theoretical Physics by Hell68

+96 votes

0 answers

Do you think string theory is based on a simple lie (that everything is made up of strings)?

asked Nov 18, 2022 in Theoretical Physics by Isitreally

+42 votes

0 answers

Why isn't string theory considered pseudoscience, even though it matches the definition of it exactly?

asked Nov 18, 2022 in Theoretical Physics by DIYDave.

+236 votes

0 answers

Who are some good theoretical physicists in India?

asked Nov 18, 2022 in Theoretical Physics by DanielKniights

+100 votes

0 answers

If Alice "observes" her entangled particle and thus forces a "collapse", can Bob be made aware that his associated entangled particle has also collapsed, without being deemed to have made an "observation" himself?

asked Nov 18, 2022 in Theoretical Physics by James23

+259 votes

0 answers

The new study much publicized in recent days says that when something moves faster than light it perceives spacetime as having 3 dimensions of time and 1 of space? How true is this?

asked Nov 18, 2022 in Theoretical Physics by M N Security

+3 votes

0 answers

Did Richard Feynman have any thoughts on field theory vs particle physics?

asked Nov 17, 2022 in Theoretical Physics by welshblue

+23 votes

0 answers

Why do some say that antimatter is matter traveling backwards in time?

asked Nov 17, 2022 in Theoretical Physics by NebulaDreamer

+9 votes

0 answers

What is the relation between N/m and dyne/cm?

asked Nov 17, 2022 in Theoretical Physics by DIY Guy

+11 votes

0 answers

What is the gravitational redshift experiment? Is it just theoretical or can it be tested experimentally?

asked Nov 17, 2022 in Theoretical Physics by Spir4

+10 votes

0 answers

What is the role of string theory and other approaches to quantum gravity in the context of quantum cosmology, and how are they being tested through observations and experiments?

asked Nov 17, 2022 in Theoretical Physics by MysticDreamer

+129 votes

0 answers

What did David Goodman really mean when he said: "Ludwig Boltzmann, who spent much of his life studying statistical mechanics, died in 1906 by his own hand. Paul Ehrenfest, carrying on the work, died similarly in 1933. Now it is our turn to study statistical mechanics"?

asked Nov 16, 2022 in Theoretical Physics by Bigplumber

+12 votes

0 answers

Which university is the best in the world to study theoretical physics and why is it the best?

asked Nov 16, 2022 in Theoretical Physics by GreaterMancunian

+18 votes

0 answers

How do we know the charge of an electron?

asked Nov 16, 2022 in Theoretical Physics by snappyfish

+11 votes

0 answers

What is String Theory? Does it include all physical laws?

asked Nov 16, 2022 in Theoretical Physics by Dartboard

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Recent questions in Theoretical Physics

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