User zucculent

7 votes

3 answers

3k views

Do the quark types differ from each other in ways other than charge and mass?

asked Aug 9, 2021 at 2:55

7 votes

2 answers

647 views

Do quantum measurements violate conservation laws?

quantum-mechanics angular-momentum conservation-laws quantum-spin quantum-measurements

asked Jun 8 at 23:25

5 votes

3 answers

787 views

If two more particles bond together to make a bigger particle, what happens to their wavefunctions?

quantum-mechanics

asked Aug 8, 2021 at 20:55

4 votes

6 answers

2k views

Is sand in a vacuum a good thermal insulator?

thermodynamics temperature

asked Jun 5 at 15:44

3 votes

2 answers

67 views

What shape does an elastic rod take when both ends are dragged to the same point?

elasticity

asked Jun 1 at 21:34

3 votes

2 answers

92 views

Could two photons with sufficient energy orbit each other

general-relativity photons

asked Aug 22, 2021 at 3:32

3 votes

1 answer

132 views

How did physicist calculate times like $10^{1500}$ and $10^{10^{76}}$ years?

quantum-mechanics astrophysics time quantum-tunneling

asked Oct 25, 2021 at 14:59

3 votes

2 answers

76 views

What would the Newtonian-esque approximation for gravity be in other numbers of dimensions, according to relativity?

general-relativity gravity spacetime-dimensions

asked Nov 3, 2021 at 17:58

3 votes

0 answers

50 views

Why does gas that's been choked accelerate when the area it's passing through increases? [duplicate]

fluid-dynamics flow rocket-science bernoulli-equation

asked Oct 29, 2021 at 18:44

2 votes

0 answers

31 views

Could exotic baryons be stable inside exotic stars?

neutron-stars baryons

asked Nov 1, 2021 at 20:46

2 votes

1 answer

85 views

Why is there a discrepancy between $m_n-m_p$ and $m_d-m_u$?

mass quarks neutrons protons binding-energy

asked Nov 1, 2021 at 21:42

2 votes

1 answer

92 views

If quarks are in fact made up of smaller particles, would we ever be able to find evidence for them? [closed]

particle-physics quarks elementary-particles

asked Aug 22, 2021 at 22:45

2 votes

1 answer

138 views

In layman's terms, what are $\rm SU$ groups used for in particle physics?

particle-physics group-theory

asked Nov 3, 2021 at 2:23

2 votes

1 answer

80 views

How can electric charge exist at all in a closed universe? [closed]

electromagnetism charge

asked Feb 15 at 22:16

1 vote

0 answers

24 views

Is there an equation for the acceleration of gravity in a disk of uniform density?

gravity

asked Jun 2 at 0:02

1 vote

0 answers

31 views

Why does burning propellants off of the stoichiometric ratio improve performance?

thermodynamics rocket-science

asked Jun 8 at 3:24

1 vote

1 answer

20 views

Pressure inside a gravitationally bound sphere of uniform density

newtonian-gravity pressure

asked Jun 10 at 20:30

1 vote

1 answer

79 views

Do fermions of different types have the same quantum states available to occupy?

quantum-mechanics hilbert-space fermions orbitals quantum-states

asked Aug 31, 2021 at 23:51

1 vote

0 answers

68 views

If gluons can make other gluons, why don't they keep multiplying into infinity?

particle-physics gluons

asked Aug 9, 2021 at 15:45

1 vote

1 answer

59 views

How do antisymmetric wavefunctions behave for 3 or more identical particles?

quantum-mechanics

asked Aug 10, 2021 at 0:15

1 vote

3 answers

208 views

Do all hadrons experience the strong nuclear force?

particle-physics nuclear-physics quarks strong-force pions

asked Oct 19, 2021 at 22:12

1 vote

0 answers

79 views

Why does pair production happen?

quantum-mechanics quantum-electrodynamics pair-production

asked Sep 4, 2021 at 22:02

1 vote

3 answers

109 views

Why do electrons in a current spread apart, from their point of view?

special-relativity electric-current

asked Sep 9, 2021 at 18:29

1 vote

0 answers

116 views

If vacuum decay was somehow triggered inside a black hole, would the rest of the universe notice?

quantum-mechanics general-relativity black-holes higgs

asked Nov 14, 2021 at 5:52

1 vote

0 answers

23 views

Are all the electrons in a white dwarf degenerate?

white-dwarfs

asked Dec 7, 2021 at 21:44

0 votes

1 answer

58 views

Binding energy for a uniform sphere bound by a Yukawa potential rather than an inverse-square-law potential?

homework-and-exercises potential-energy binding-energy

asked Dec 8, 2021 at 1:34

0 votes

0 answers

24 views

Is there an ideal shape for minimizing each type of drag at subsonic, transonic, and supersonic speeds?

fluid-dynamics drag aerodynamics

asked Feb 8 at 1:43

0 votes

1 answer

37 views

Is the exact definition of the Planck units important?

physical-constants absolute-units

asked Feb 12 at 23:28

0 votes

2 answers

65 views

Why does the frequency of a composite particle scale with its mass?

quantum-mechanics wavefunction frequency

asked Nov 20, 2021 at 0:16

0 votes

2 answers

53 views

Would a magnetic current cause a looping electric field?

electromagnetism maxwell-equations

asked Nov 29, 2021 at 4:19

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48 Questions

Do the quark types differ from each other in ways other than charge and mass?

Do quantum measurements violate conservation laws?

If two more particles bond together to make a bigger particle, what happens to their wavefunctions?

Is sand in a vacuum a good thermal insulator?

What shape does an elastic rod take when both ends are dragged to the same point?

Could two photons with sufficient energy orbit each other

How did physicist calculate times like $10^{1500}$ and $10^{10^{76}}$ years?

What would the Newtonian-esque approximation for gravity be in other numbers of dimensions, according to relativity?

Why does gas that's been choked accelerate when the area it's passing through increases? [duplicate]

Could exotic baryons be stable inside exotic stars?

Why is there a discrepancy between $m_n-m_p$ and $m_d-m_u$?

If quarks are in fact made up of smaller particles, would we ever be able to find evidence for them? [closed]

In layman's terms, what are $\rm SU$ groups used for in particle physics?

How can electric charge exist at all in a closed universe? [closed]

Is there an equation for the acceleration of gravity in a disk of uniform density?

Why does burning propellants off of the stoichiometric ratio improve performance?

Pressure inside a gravitationally bound sphere of uniform density

Do fermions of different types have the same quantum states available to occupy?

If gluons can make other gluons, why don't they keep multiplying into infinity?

How do antisymmetric wavefunctions behave for 3 or more identical particles?

Do all hadrons experience the strong nuclear force?

Why does pair production happen?

Why do electrons in a current spread apart, from their point of view?

If vacuum decay was somehow triggered inside a black hole, would the rest of the universe notice?

Are all the electrons in a white dwarf degenerate?

Binding energy for a uniform sphere bound by a Yukawa potential rather than an inverse-square-law potential?

Is there an ideal shape for minimizing each type of drag at subsonic, transonic, and supersonic speeds?

Is the exact definition of the Planck units important?

Why does the frequency of a composite particle scale with its mass?

Would a magnetic current cause a looping electric field?