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zucculent
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7 votes
3 answers
3k views

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

7 votes
2 answers
647 views

Do quantum measurements violate conservation laws?

5 votes
3 answers
787 views

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

4 votes
6 answers
2k views

Is sand in a vacuum a good thermal insulator?

3 votes
2 answers
67 views

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

3 votes
2 answers
92 views

Could two photons with sufficient energy orbit each other

3 votes
1 answer
132 views

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

3 votes
2 answers
76 views

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

3 votes
0 answers
50 views

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

2 votes
0 answers
31 views

Could exotic baryons be stable inside exotic stars?

2 votes
1 answer
85 views

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

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]

2 votes
1 answer
138 views

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

2 votes
1 answer
80 views

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

1 vote
0 answers
24 views

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

1 vote
0 answers
31 views

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

1 vote
1 answer
20 views

Pressure inside a gravitationally bound sphere of uniform density

1 vote
1 answer
79 views

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

1 vote
0 answers
68 views

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

1 vote
1 answer
59 views

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

1 vote
3 answers
208 views

Do all hadrons experience the strong nuclear force?

1 vote
0 answers
79 views

Why does pair production happen?

1 vote
3 answers
109 views

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

1 vote
0 answers
116 views

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

1 vote
0 answers
23 views

Are all the electrons in a white dwarf degenerate?

0 votes
1 answer
58 views

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

0 votes
0 answers
24 views

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

0 votes
1 answer
37 views

Is the exact definition of the Planck units important?

0 votes
2 answers
65 views

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

0 votes
2 answers
53 views

Would a magnetic current cause a looping electric field?