User Lawrence B. Crowell

48 votes

How do we know that radioactive decay rates are constant over billions of years?

answered May 23, 2017 at 22:14

44 votes

Accepted

If like charges repel, why doesn't a charge break itself apart?

answered Jul 19, 2016 at 12:53

29 votes

Accepted

How much mass can colliding black holes lose as gravitational waves?

answered Jul 18, 2016 at 20:23

20 votes

Rainbow in cloud near Sun

answered Sep 19, 2016 at 23:46

17 votes

Accepted

Gravitational radiation from hydrogen atom

answered Aug 2, 2016 at 14:51

14 votes

What are BMS supertranslation symmetries?

answered Dec 2, 2016 at 15:46

13 votes

Is there something similar to Gödel's incompleteness theorems in physics?

answered Jan 16, 2017 at 1:16

12 votes

Accepted

How quickly do farts spread?

answered Oct 25, 2016 at 10:56

12 votes

Accepted

Can a photon have a wavelength less than the planck length?

answered Aug 12, 2016 at 2:07

12 votes

Supergun Launching of Satellites

answered May 25, 2016 at 15:36

12 votes

Supersymmetry: current 2018 status?

answered Aug 17, 2018 at 19:38

11 votes

Accepted

Transfer of energy from gravity back to other "more familiar" forms of energy?

answered Jun 16, 2016 at 11:55

10 votes

What happens when a very large star swallows a small black hole?

answered May 28, 2017 at 16:43

10 votes

How did the universe shift from "dark matter dominated" to "dark energy dominated"?

answered May 23, 2016 at 14:24

10 votes

Why is the simple harmonic motion idealization inaccurate?

answered May 29, 2016 at 15:30

9 votes

Starting a fire with a lens without the sun

answered Nov 15, 2016 at 1:49

9 votes

Is LIGO able to detect the memory effect of gravitational waves?

answered Oct 15, 2016 at 14:05

9 votes

What actually are virtual particles?

answered Oct 16, 2016 at 15:10

9 votes

Accepted

Why doesn't dark matter interact with ordinary matter?

answered Aug 21, 2016 at 14:05

9 votes

Emergence of space from quantum mechanics

answered Jun 20, 2016 at 22:25

8 votes

Accepted

What does the Ricci tensor represent?

answered Dec 10, 2016 at 0:41

8 votes

Accepted

Why Do Glueballs Have Mass, When Individual Gluons Are Massless?

answered Jul 9, 2016 at 23:45

8 votes

Accepted

Page time and black hole scrambling of information

answered Dec 23, 2017 at 23:54

7 votes

Accepted

How long does a positron last in the Sun's core?

answered Aug 21, 2016 at 18:55

7 votes

What happen if Hawking radiation is not found?

answered Jun 30, 2016 at 13:42

7 votes

Justification of Physical Laws

answered Jul 23, 2016 at 13:17

7 votes

Accepted

Do supermassive black holes contain a singularity?

answered May 28, 2016 at 14:58

7 votes

Are Newton's 1st and 3rd laws just consequences of the 2nd?

answered Aug 4, 2016 at 1:33

7 votes

Accepted

Why is neutron slightly heavier than the proton?

answered Dec 28, 2018 at 0:34

6 votes

How are strings of String theory different from particles in quantum field theory?

answered Nov 21, 2016 at 14:22

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457 Answers

How do we know that radioactive decay rates are constant over billions of years?

If like charges repel, why doesn't a charge break itself apart?

How much mass can colliding black holes lose as gravitational waves?

Rainbow in cloud near Sun

Gravitational radiation from hydrogen atom

What are BMS supertranslation symmetries?

Is there something similar to Gödel's incompleteness theorems in physics?

How quickly do farts spread?

Can a photon have a wavelength less than the planck length?

Supergun Launching of Satellites

Supersymmetry: current 2018 status?

Transfer of energy from gravity back to other "more familiar" forms of energy?

What happens when a very large star swallows a small black hole?

How did the universe shift from "dark matter dominated" to "dark energy dominated"?

Why is the simple harmonic motion idealization inaccurate?

Starting a fire with a lens without the sun

Is LIGO able to detect the memory effect of gravitational waves?

What actually are virtual particles?

Why doesn't dark matter interact with ordinary matter?

Emergence of space from quantum mechanics

What does the Ricci tensor represent?

Why Do Glueballs Have Mass, When Individual Gluons Are Massless?

Page time and black hole scrambling of information

How long does a positron last in the Sun's core?

What happen if Hawking radiation is not found?

Justification of Physical Laws

Do supermassive black holes contain a singularity?

Are Newton's 1st and 3rd laws just consequences of the 2nd?

Why is neutron slightly heavier than the proton?

How are strings of String theory different from particles in quantum field theory?