User Derek Seabrooke

31 votes

4 answers

4k views

How do photons affect each other gravitationally?

asked Sep 14, 2020 at 5:14

29 votes

5 answers

5k views

Do planets orbiting stars emit gravitational waves?

asked Mar 24, 2020 at 1:25

15 votes

1 answer

1k views

Do objects absorb or reflect gravitational waves?

asked Mar 3, 2021 at 23:19

9 votes

3 answers

2k views

Is the Bohr radius deprecated?

asked Jun 19, 2020 at 8:34

8 votes

6 answers

1k views

Does electric charge vary between observers?

asked Jan 19, 2020 at 6:01

7 votes

4 answers

919 views

Does an open or a closed cage of canaries weigh less when they are in flight? [duplicate]

asked Dec 31, 2022 at 10:37

6 votes

2 answers

345 views

How would you calculate the ratio of electric repulsion between two electrons and magnetic attraction?

asked Nov 16, 2019 at 12:54

6 votes

2 answers

4k views

Is it possible for a system to have negative potential energy?

asked Jun 21, 2020 at 9:30

6 votes

3 answers

283 views

Do gravitational waves change the color of light?

asked Sep 17, 2020 at 0:12

5 votes

3 answers

311 views

Does light have gravity or Gravitomagnetism?

asked Mar 24, 2020 at 3:07

5 votes

1 answer

229 views

Is there an affordable way to create entagled lightbeams?

asked Dec 23, 2019 at 6:42

5 votes

7 answers

982 views

Does the same object have less mass on Earth than in space because they have less gravitational potential energy?

asked Oct 20, 2019 at 20:28

4 votes

1 answer

204 views

Does stripping electrons from atoms or adding them affect the state of matter in any way?

asked Oct 27, 2019 at 23:22

4 votes

2 answers

170 views

Can a permanent magnetic become too cold to function?

asked Jan 19, 2020 at 5:20

3 votes

1 answer

540 views

Do gravitational waves carry momentum?

asked Mar 24, 2020 at 2:18

3 votes

4 answers

229 views

Is it possible to bend light without changing its color?

asked Sep 14, 2020 at 7:17

3 votes

1 answer

82 views

Does matter redshift light via gravity?

asked Sep 16, 2020 at 8:06

3 votes

1 answer

94 views

At what distance does magnetic attraction between two properly aligned electrons cancel electric repulsion?

asked Feb 8, 2021 at 9:37

3 votes

1 answer

527 views

Does every element have a critical mass?

asked Mar 2 at 10:12

3 votes

2 answers

74 views

Does it require greater force to accelerate a charged mass than an equal neutral mass?

asked Apr 16, 2022 at 5:47

3 votes

1 answer

41 views

Understanding geosynchronous orbits in an otherwise empty universe

asked Aug 23, 2022 at 16:55

2 votes

1 answer

118 views

Has the atomic radius been experimentally verified?

asked Aug 13, 2021 at 17:26

2 votes

2 answers

185 views

Is the Planck mass the minimum required to form a black hole?

asked Dec 13, 2022 at 23:41

2 votes

1 answer

97 views

Is cosmic background radiation consistent with the Cosmological Principle? [duplicate]

asked Nov 11, 2021 at 11:40

2 votes

1 answer

62 views

Will a sufficiently compressed electric charge eventually collapse?

asked Jan 7 at 17:07

2 votes

2 answers

52 views

Is a planetary collision cascade possible?

asked Jan 28 at 3:33

2 votes

1 answer

256 views

Do gravitational lenses act as prisms?

asked Sep 18, 2020 at 6:44

2 votes

3 answers

1k views

How does an up quark decay into products more massive than itself?

asked Jun 26, 2020 at 13:42

1 vote

2 answers

172 views

Does it take work to bend light?

asked Feb 8, 2021 at 9:48

1 vote

0 answers

33 views

Do anti-parallel photons affect each other gravitationally? [duplicate]

asked Feb 8, 2021 at 10:03

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68 Questions

How do photons affect each other gravitationally?

Do planets orbiting stars emit gravitational waves?

Do objects absorb or reflect gravitational waves?

Is the Bohr radius deprecated?

Does electric charge vary between observers?

Does an open or a closed cage of canaries weigh less when they are in flight? [duplicate]

How would you calculate the ratio of electric repulsion between two electrons and magnetic attraction?

Is it possible for a system to have negative potential energy?

Do gravitational waves change the color of light?

Does light have gravity or Gravitomagnetism?

Is there an affordable way to create entagled lightbeams?

Does the same object have less mass on Earth than in space because they have less gravitational potential energy?

Does stripping electrons from atoms or adding them affect the state of matter in any way?

Can a permanent magnetic become too cold to function?

Do gravitational waves carry momentum?

Is it possible to bend light without changing its color?

Does matter redshift light via gravity?

At what distance does magnetic attraction between two properly aligned electrons cancel electric repulsion?

Does every element have a critical mass?

Does it require greater force to accelerate a charged mass than an equal neutral mass?

Understanding geosynchronous orbits in an otherwise empty universe

Has the atomic radius been experimentally verified?

Is the Planck mass the minimum required to form a black hole?

Is cosmic background radiation consistent with the Cosmological Principle? [duplicate]

Will a sufficiently compressed electric charge eventually collapse?

Is a planetary collision cascade possible?

Do gravitational lenses act as prisms?

How does an up quark decay into products more massive than itself?

Does it take work to bend light?

Do anti-parallel photons affect each other gravitationally? [duplicate]