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hbadger19042
  • Member for 2 years, 6 months
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  • South Korea
462 votes
19 answers
48k views

How does gravity escape a black hole?

  • 4,739
372 votes
7 answers
57k views

Did the Big Bang happen at a point?

329 votes
34 answers
51k views

Do we know why there is a speed limit in our universe?

308 votes
11 answers
46k views

What experiment would disprove string theory?

  • 3,659
263 votes
12 answers
52k views

Why are four-legged chairs so common?

  • 2,813
262 votes
5 answers
32k views

If I sliced the universe in half, would the slice go through a star?

236 votes
21 answers
38k views

What exactly is a photon?

206 votes
10 answers
20k views

Why is the detection of gravitational waves so significant?

  • 5,121
193 votes
3 answers
77k views

Why doesn't matter pass through other matter if atoms are 99.999% empty space?

  • 3,645
180 votes
2 answers
27k views

Why do we not have spin greater than 2?

  • 2,733
175 votes
5 answers
22k views

Gauge symmetry is not a symmetry?

  • 16k
164 votes
11 answers
16k views

What makes a theory "Quantum"?

158 votes
3 answers
35k views

Why does Stephen Hawking say black holes don't exist?

  • 1,479
152 votes
9 answers
35k views

Does someone falling into a black hole see the end of the universe?

143 votes
13 answers
45k views

Is time continuous or discrete?

  • 2,039
124 votes
11 answers
26k views

Why does Newton's Third Law actually work?

116 votes
8 answers
35k views

What is $\Delta t$ in the time-energy uncertainty principle?

  • 1,185
114 votes
14 answers
28k views

QM without complex numbers

  • 3,146
112 votes
4 answers
16k views

Intuitively, why are bundles so important in Physics?

  • 30.8k
111 votes
10 answers
14k views

Is Angular Momentum truly fundamental?

  • 7,169
106 votes
8 answers
22k views

Why is the $S_{z} =0$ state forbidden for photons?

  • 1,626
106 votes
7 answers
19k views

How can we see an atom now? What was the scale of this equipment?

  • 1,069
105 votes
6 answers
27k views

What is the physical meaning of commutators in quantum mechanics?

100 votes
2 answers
20k views

What conservation law corresponds to Lorentz boosts?

  • 9,265
100 votes
15 answers
14k views

Why quantum mechanics?

96 votes
4 answers
114k views

Why do same/opposite electric charges repel/attract each other, respectively?

90 votes
12 answers
14k views

What is spontaneous symmetry breaking in quantum systems?

88 votes
6 answers
14k views

What is more fundamental, fields or particles?

82 votes
8 answers
7k views

Why is the application of probability in Quantum Mechanics fundamentally different from application of probability in other areas?

  • 4,906
77 votes
6 answers
25k views

Is the total energy of the universe zero?

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