User Árpád Szendrei

67 votes

7 answers

18k views

Do photons bend spacetime or not?

asked May 22, 2019 at 0:32

46 votes

5 answers

6k views

Do electrons really perform instantaneous quantum leaps?

asked Jun 27, 2019 at 15:41

43 votes

4 answers

8k views

Would we even notice the merger with the Andromeda Galaxy?

asked Jul 3, 2021 at 23:29

39 votes

3 answers

4k views

Why does bunched up aluminum foil become so extremely hard to compress?

asked Jun 1 at 22:16

32 votes

4 answers

3k views

If free electrons have classical trajectories, then why don't bound electrons around the nuclei have it too?

asked Jul 2, 2021 at 22:43

23 votes

3 answers

5k views

If black holes are just empty vacuum of space inside, then what causes the curvature?

asked Jun 29, 2021 at 22:46

23 votes

13 answers

10k views

If a photon truly goes through both slits (at the same time), then why can't we detect it at both slits (at the same time)?

asked Nov 16, 2019 at 19:25

22 votes

5 answers

8k views

Why do bullets shoot through water but not through sand?

asked Feb 27, 2021 at 16:49

22 votes

5 answers

3k views

Why do X-ray telescopes have to be in space?

asked Aug 19, 2021 at 22:11

20 votes

3 answers

7k views

If electrons were just positrons moving backwards in time, then shouldn't we see them coming out of black holes?

asked Sep 28, 2021 at 22:14

19 votes

5 answers

7k views

When an electron changes its spin, or any other intrinsic property, is it still the same electron?

asked Jul 7, 2019 at 15:39

18 votes

4 answers

6k views

Neutrinos passing through black hole

asked Jun 28, 2018 at 17:58

18 votes

5 answers

5k views

What do we mean when we say that black holes aren't made of anything?

asked Nov 14, 2022 at 23:03

16 votes

1 answer

3k views

Is it a coincidence that quarks have exactly -1/3 or 2/3 the electron's charge? [duplicate]

asked Oct 21, 2018 at 1:02

15 votes

4 answers

3k views

If dark matter can't lose kinetic energy, then why is it not traveling at relativistic speeds?

asked Jul 8, 2021 at 22:02

15 votes

4 answers

1k views

Can sound waves deform (curl brake) like water waves?

asked Mar 11, 2022 at 22:41

12 votes

7 answers

3k views

Does the radio (between two co-moving astronauts) stop working when crossing the event horizon?

asked Jul 11, 2020 at 15:58

11 votes

5 answers

1k views

Does the weak force have an attractive/repulsive force observable in everyday life like the other forces?

asked Apr 12, 2019 at 15:59

10 votes

3 answers

2k views

Why do franks (hot dogs) get wavy shaped when boiled?

asked Nov 23, 2021 at 22:57

10 votes

2 answers

1k views

Does an accelerating charged black hole emit EM radiation?

asked Feb 14, 2022 at 23:04

9 votes

1 answer

261 views

Why are galaxies much closer spaced (relative to their size) than stars?

asked Dec 29, 2021 at 22:56

9 votes

1 answer

417 views

Two observers fall into separate black holes, then the black holes merge, can they meet again?

asked Oct 4, 2021 at 22:36

9 votes

1 answer

181 views

Why do spiders' webs stay wet longer than the environment?

asked Aug 2, 2021 at 22:30

9 votes

3 answers

399 views

Which Photon would win the race?

asked Oct 26, 2016 at 19:18

8 votes

2 answers

367 views

Gravitational lensing of gravity

asked Jun 27, 2018 at 17:36

8 votes

3 answers

2k views

Why do metals conduct electricity faster than heat?

asked Jan 29, 2021 at 16:33

8 votes

3 answers

1k views

A small black hole asymptotically approaches a big black hole's event horizon. Will it seem to be frozen there, or will it seem to merge?

asked Oct 7, 2021 at 22:35

8 votes

1 answer

533 views

What really supports neutron stars?

asked Oct 15, 2021 at 22:22

7 votes

2 answers

439 views

Do gravitational waves travel always in a straight line (along a geodesic) like EM waves?

asked Jan 3, 2021 at 17:05

7 votes

2 answers

776 views

We know there is no aether, so what is being dragged in frame dragging?

asked Feb 11, 2020 at 19:12

Stack Exchange Network

326 Questions

Do photons bend spacetime or not?

Do electrons really perform instantaneous quantum leaps?

Would we even notice the merger with the Andromeda Galaxy?

Why does bunched up aluminum foil become so extremely hard to compress?

If free electrons have classical trajectories, then why don't bound electrons around the nuclei have it too?

If black holes are just empty vacuum of space inside, then what causes the curvature?

If a photon truly goes through both slits (at the same time), then why can't we detect it at both slits (at the same time)?

Why do bullets shoot through water but not through sand?

Why do X-ray telescopes have to be in space?

If electrons were just positrons moving backwards in time, then shouldn't we see them coming out of black holes?

When an electron changes its spin, or any other intrinsic property, is it still the same electron?

Neutrinos passing through black hole

What do we mean when we say that black holes aren't made of anything?

Is it a coincidence that quarks have exactly -1/3 or 2/3 the electron's charge? [duplicate]

If dark matter can't lose kinetic energy, then why is it not traveling at relativistic speeds?

Can sound waves deform (curl brake) like water waves?

Does the radio (between two co-moving astronauts) stop working when crossing the event horizon?

Does the weak force have an attractive/repulsive force observable in everyday life like the other forces?

Why do franks (hot dogs) get wavy shaped when boiled?

Does an accelerating charged black hole emit EM radiation?

Why are galaxies much closer spaced (relative to their size) than stars?

Two observers fall into separate black holes, then the black holes merge, can they meet again?

Why do spiders' webs stay wet longer than the environment?

Which Photon would win the race?

Gravitational lensing of gravity

Why do metals conduct electricity faster than heat?

A small black hole asymptotically approaches a big black hole's event horizon. Will it seem to be frozen there, or will it seem to merge?

What really supports neutron stars?

Do gravitational waves travel always in a straight line (along a geodesic) like EM waves?

We know there is no aether, so what is being dragged in frame dragging?