User monkey - Physics Stack Exchange

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	111 reputation	bio	website		visits	member for	2 years, 1 month
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27

91

votes

13

answers

5

kviews

How does gravity escape a black hole?

may 13 at 14:19 shawnhcorey 111

121

85

votes

24

answers

25

kviews

List of freely available physics books

education books reference-request big-list

feb 25 at 22:44 ramanujan_dirac 1,293

7

18

votes

3

answers

1

kviews

Do two beams of light attract each other in general theory of relativity?

general-relativity electromagnetic-radiation

apr 23 '12 at 5:21 Manishearth♦ 8,021

1

16

votes

2

answers

1

kviews

How does one measure the mass of a galaxy? And other such large quantities

astrophysics measurement

dec 11 at 20:25 Ernie 220

4

14

votes

4

answers

546

views

Redshifting of Light and the expansion of the universe

general-relativity energy electromagnetic-radiation energy-conservation space-expansion

may 7 at 17:00 Philip Gibbs 2,552

7

12

votes

7

answers

995

views

How precisely does a star collapse into a black hole?

general-relativity black-holes

oct 28 at 15:57 ctrebor 7

3

11

votes

4

answers

1

kviews

Is energy really conserved?

energy-conservation

mar 5 '11 at 15:27 Helder Velez 1,514

4

10

votes

4

answers

1

kviews

Travelling faster than the speed of light

special-relativity speed-of-light faster-than-light tachyon

may 28 '12 at 18:38 Qmechanic♦ 17.3k

4

9

votes

3

answers

563

views

Why space expansion affects matter?

general-relativity gravity space-expansion

mar 18 '12 at 16:09 David 423

4

8

votes

9

answers

6

kviews

What's the core difference between the electric and magnetic forces?

electromagnetism homework forces

feb 20 at 15:38 Muskaan Shahid 1

1

8

votes

2

answers

471

views

Why are “heavier” particles harder to detect than “lighter” ones?

particle-physics

dec 19 '10 at 16:49 pho 2,590

2

7

votes

2

answers

491

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Is dark matter repulsive to dark matter? Why?

gravity cosmology dark-matter general-relativity

apr 30 '11 at 18:12 Ted Bunn 11.6k

2

7

votes

3

answers

847

views

Does a particle annihilate only with its antiparticle? If yes, why?

particle-physics antimatter

apr 29 '11 at 16:04 jbatista 526

1

6

votes

3

answers

902

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How are neutrons produced from cosmic ray particles?

particle-physics neutron cosmic-rays

may 17 '12 at 1:34 Peter Mortensen 1,232

8

6

votes

10

answers

2

kviews

Physics for mathematicians

mathematical-physics soft-question reference-request books big-list

apr 27 '12 at 1:16 joseph f. johnson 1,928

5

6

votes

4

answers

658

views

Is there a fundamental reason why gravitational mass is the same as inertial mass?

general-relativity gravity equivalence-principle

nov 18 '11 at 23:39 Nick Kidman 917

1

5

votes

2

answers

667

views

If the light velocity is a vector quantity, why vector addition cannot be applied to it?

special-relativity

feb 6 '11 at 23:10 Anixx 2,138

5

3

votes

5

answers

3

kviews

Why and how is the speed of light constant?

special-relativity electromagnetic-radiation speed-of-light

apr 6 '12 at 16:16 Manishearth♦ 8,021

1

3

votes

1

answer

376

views

The Interactions of Light and Matter

electromagnetic-radiation refraction reflection

apr 24 '12 at 10:48 Manishearth♦ 8,021

3

votes

2

answers

3

kviews

Do light and sound waves have mass

special-relativity waves mass

mar 22 at 1:21 Josue 1

1

2

votes

1

answer

2

kviews

Sound - what happens with the particles when a wave passes

acoustics air

mar 14 at 18:47 user21996 1

1

2

votes

1

answer

292

views

Do all atoms in the universe gravitate each other?

gravity

apr 15 '11 at 12:48 mbq♦ 3,526

2

1

vote

3

answers

267

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Effect of expansion of space on CMB

astrophysics space-expansion cmb

sep 19 at 0:28 Sandro Vitenti 337

monkey

23 Favorites