Skip to main content
Jus12's user avatar
Jus12's user avatar
Jus12's user avatar
Jus12
  • Member for 12 years, 11 months
  • Last seen more than a month ago
104 votes
4 answers
38k views

Would a pin head heated to 15 million degrees Celsius kill everyone in a 1000 mile radius?

75 votes
5 answers
21k views

Is the CMB rest frame special? Where does it come from?

25 votes
6 answers
7k views

Why can't dark matter be black holes?

21 votes
1 answer
4k views

What is the "monogamy principle" in entanglement?

16 votes
3 answers
861 views

How fast is the Cosmic Microwave Background Radiation (CMBR) changing?

11 votes
1 answer
1k views

What makes us think we can actually detect gravitational waves?

9 votes
6 answers
43k views

What is Energy made of?

7 votes
2 answers
1k views

Why does the homogeneity of the universe require inflation?

6 votes
1 answer
244 views

Relationship between the cosmic microwave background (CMB) radiation and the visible universe

6 votes
2 answers
2k views

Is space becoming time-like inside an event horizon a consequence of our coordinate system?

5 votes
3 answers
207 views

What would a rotating black-hole look like to a "geo-stationary" observer orbiting the black hole

5 votes
2 answers
141 views

Is it possible to use quantum mechanics for an effective time based encryption?

4 votes
2 answers
215 views

Would the arms of a rotating ice skater still move outwards if there was no other object in the universe?

4 votes
1 answer
900 views

Difference between baryonic, inertial and gravitational mass? (and relation to dark matter)

3 votes
1 answer
274 views

What exactly is the definition of motion and its relation to Mach's conjecture?

3 votes
3 answers
3k views

Particle antiparticle annihilation-do they have to be of the same type?

2 votes
3 answers
242 views

What is the relationship between an event happening and "seeing" an event happen?

2 votes
1 answer
73 views

If a rotating ball gets disintegrated to dust or energy what happens to its angular momentum?

2 votes
2 answers
333 views

Can a (micro) black hole be used to make a microscope?

2 votes
2 answers
125 views

When we say gravity "bends" spacetime, does it also "bend" other fields (such as EM)?

2 votes
3 answers
622 views

Why can't we notice crossing an event horizon? [duplicate]

1 vote
1 answer
526 views

What would vacuum decay in an expanding universe be like?

1 vote
2 answers
243 views

How high can a light-beam (or apple) travel when pointed (thrown) out from the event horizon? [duplicate]

1 vote
2 answers
2k views

Are protons and neutrons 2 dimensional given that they consist of 3 quarks?

1 vote
1 answer
192 views

Can space have angular momentum that can be transfered to/from physical objects?

0 votes
1 answer
156 views

Would we feel the rotation of a rotating habitat?

0 votes
0 answers
161 views

Why the Higgs field has lower energy at non-zero value?

0 votes
1 answer
498 views

What will happen to a black hole if the Higgs field at the singularity is turned off?

0 votes
2 answers
64 views

Do opposite charges feel a force when allowed to freely move?

-1 votes
3 answers
6k views

Can we model gravitation as a repulsive force? [closed]