Recent questions in Theoretical Physics

+97 votes

0 answers

Do particle physicists have a good justification for challenging the standard model, or is Sabine Hossenfelder correct?

asked Feb 19, 2022 in Theoretical Physics by Em Taylor

+302 votes

0 answers

What is the difference between a "theory" in mathematics and a "theory" in physics or science in general?

asked Feb 19, 2022 in Theoretical Physics by EthericSorcerer

+125 votes

0 answers

Can dark matter be destroyed?

asked Feb 19, 2022 in Theoretical Physics by Peter Lewis

+8 votes

0 answers

How would a 2-dimensional being see a 3-dimensional being?

asked Feb 19, 2022 in Theoretical Physics by Maybach

+58 votes

0 answers

Did energy exist before the Big Bang? If energy is not eternal and didn't exist before the Big Bang, from where did energy come from?

asked Feb 19, 2022 in Theoretical Physics by AstralWhirl

+18 votes

0 answers

If the universe is defined as all there is, then does the concept of multiverse depend on a distorted definition of universe?

asked Feb 19, 2022 in Theoretical Physics by breathlesswould (3.1k points)

+5 votes

0 answers

Entangled light years away, what happens to, say, a particle whose original is in boiling water? Could the distant particle be randomly in space or agroup of particles copying 212 degree behavior? Is this why there is a multiverse theory?

asked Feb 19, 2022 in Theoretical Physics by 4 ME

+24 votes

0 answers

Can you explain the concept of higher dimensions?

asked Feb 18, 2022 in Theoretical Physics by Callum Aldous

+209 votes

0 answers

Which book should I go for , Pradeeps Fundamental physics or Modern abc or HC Verma Concepts of Physics?

asked Feb 18, 2022 in Theoretical Physics by royalflush001

+21 votes

0 answers

What are the virtual particles?

asked Feb 18, 2022 in Theoretical Physics by James O connor

+265 votes

0 answers

How's it possible that 10+ dimensional objects exist in mathematics if the universe has 10 spatial dimensions (according to string theory)?

asked Feb 18, 2022 in Theoretical Physics by William Turrell

+8 votes

0 answers

What is the "real" state of a particle in superposition?

asked Feb 18, 2022 in Theoretical Physics by kkkkkk

+2 votes

0 answers

What are other theories other than the multiverse?

asked Feb 17, 2022 in Theoretical Physics by justj (2.5k points)

+125 votes

0 answers

What are some things that should raise red flags for a theoretical physicist when reading through research papers or textbooks?

asked Feb 17, 2022 in Theoretical Physics by CelestialEcho

0 votes

0 answers

Do antimatter particles go backward in time? Why is it impossible to verify?

asked Feb 17, 2022 in Theoretical Physics by MysticHarmony

+4 votes

0 answers

Can a particle be in two places at once? How does this happen without spatial extent and thus no physical location per se?

asked Feb 17, 2022 in Theoretical Physics by WaterBoy75

+88 votes

0 answers

Do you think the final fundamental theory of physics is likely to be painfully complex and mathematical, or embarrassingly simple?

asked Feb 17, 2022 in Theoretical Physics by Tickle pug plaster

+293 votes

0 answers

Do all subatomic particles have an antiparticle? If so, why aren't there anti-protons and anti-neutrons?

asked Feb 17, 2022 in Theoretical Physics by TheMorg

+21 votes

0 answers

Does quantum theory give a probability that an electron-positron pair will be briefly in, say, a litre of flat vacuum?

asked Feb 17, 2022 in Theoretical Physics by Paco de Lucia

+26 votes

0 answers

Does space expand inside a black hole?

asked Feb 17, 2022 in Theoretical Physics by Gary1806

Page:

« prev
1
...
75
76
77
78
79
80
81
...
84
next »

Recent questions in Theoretical Physics

...