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John
  • Member for 10 years, 6 months
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53 votes
4 answers
26k views

Does a photon exert a gravitational pull?

31 votes
3 answers
4k views

How strong were the gravitational waves that LIGO detected at the source?

22 votes
4 answers
6k views

QM and Renormalization (layman)

13 votes
5 answers
3k views

Will the CMB ever stop shining?

11 votes
10 answers
10k views

According to General Relativity, Does The Past "Exist"?

10 votes
3 answers
773 views

Can entanglement be explained as a consequence of conservation laws?

9 votes
5 answers
8k views

Why does a photon colliding with an atomic nucleus cause pair production?

9 votes
1 answer
308 views

Seeing beyond the CMBR with neutrinos?

7 votes
3 answers
11k views

Non-Newtonian Fluid Stop a Bullet?

7 votes
4 answers
6k views

How long would it take to travel through a wormhole?

5 votes
2 answers
2k views

Incompatibility Between Relativity and Quantum Mechanics

5 votes
2 answers
2k views

CPT Violation and Symmetry / Conservation Laws

4 votes
2 answers
398 views

Proton-Neutron Lattice as a form of matter?

4 votes
2 answers
193 views

Sequential Double Double Slit Experiment?

4 votes
2 answers
1k views

Can the universe be unbounded and yet have a finite amount of stars and galaxies?

3 votes
1 answer
104 views

Determine expansion rate of universe from gravitational waves LIGO?

3 votes
2 answers
303 views

How does a neutron star collision turn mass into gravitational waves?

3 votes
2 answers
266 views

Is a 4 dimensional spherical universe possible with flat curvature?

3 votes
1 answer
625 views

Higgs Field compared to EM field

3 votes
1 answer
464 views

LIGO Gravitational Waves [closed]

2 votes
1 answer
181 views

If the universe is a $3$-torus, must it be longer in some direction?

2 votes
1 answer
187 views

How can the size of the universe change over time when time is part of the universe?

1 vote
1 answer
379 views

Could atmospheric muons be used to catalyze nuclear fusion?

1 vote
0 answers
99 views

Unification of forces in black hole singularity?

1 vote
2 answers
413 views

Why does Quantum Electrodynamics Allow a Photon to Exist Temporarily as a Positron and an Electron?

1 vote
1 answer
318 views

Number of Stars vs Value of Omega (Crtitical Density of the Universe)

1 vote
2 answers
299 views

Matter - Antimatter Reactory Practicality

1 vote
0 answers
54 views

Expansion of space [duplicate]

0 votes
2 answers
500 views

Momentum Energy and Higgs

0 votes
3 answers
372 views

Accelerating expansion of the universe and cyclic model