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safesphere
  • Member for 4 years, 11 months
  • Last seen this week
  • Kansas City, USA
23 votes
3 answers
6k views

Why are gluons believed to be massless?

18 votes
3 answers
3k views

What gives mass to dark matter particles?

17 votes
2 answers
636 views

How do gravitons make time go slower?

15 votes
1 answer
1k views

Is matter - dark matter symmetry possible?

11 votes
3 answers
2k views

When light reflects off a mirror, does the wave function collapse?

11 votes
2 answers
2k views

Why do tea leaves go to the center of the cup?

10 votes
1 answer
282 views

Is the universe a giant telescope?

9 votes
1 answer
367 views

Can I stand on a neutrino star?

8 votes
5 answers
670 views

Does an expanding event horizon "swallow" nearby objects?

7 votes
4 answers
355 views

Could the spatially flat universe start small?

7 votes
2 answers
465 views

Aliens from antimatter region

6 votes
1 answer
1k views

Energy of falling into a black hole

6 votes
1 answer
369 views

Do neutrinos change speed in neutrino oscillations? [duplicate]

6 votes
1 answer
2k views

Twin paradox in closed universe [duplicate]

5 votes
2 answers
902 views

Does the photon mediate electromagnetic interactions?

5 votes
1 answer
307 views

Gravitational lensing redshift around a Kerr black hole

5 votes
1 answer
2k views

Are birds warming up on high voltage lines?

5 votes
2 answers
292 views

Is electron-positron annihilation time reversible?

5 votes
2 answers
271 views

Experimental proof of space expansion

5 votes
1 answer
950 views

How does a quark star collapse into a black hole?

4 votes
4 answers
1k views

Time dilation due to space expansion

4 votes
0 answers
128 views

Gravitational waves from collapsing rotating mass? [closed]

4 votes
1 answer
194 views

No apparent horizon in a Schwarzschild black hole?

4 votes
1 answer
739 views

Total internal reflection of sound

4 votes
3 answers
526 views

Time dilation in quantum gravity

4 votes
1 answer
187 views

Do photons have a duration?

4 votes
1 answer
179 views

Can empty space rotate without frame dragging?

4 votes
3 answers
541 views

Why do weak interactions exclude gluons?

4 votes
2 answers
246 views

Does gravity keep nearby galaxies from flying apart in space expansion?

4 votes
1 answer
811 views

Electron interaction with the field vs. wave