user avatar
user avatar
user avatar
gen-ℤ ready to perish
  • Member for 5 years, 11 months
  • Last seen more than a month ago
294 votes
2 answers
27k views

Why do ballpoint pens write better on pages that have pages below them?

  • 2,039
151 votes
8 answers
18k views

Is $\pi^2 \approx g$ a coincidence?

  • 1,295
125 votes
10 answers
31k views

Why do spaceships heat up when entering earth but not when exiting?

  • 3,695
88 votes
5 answers
14k views

Why is light bent but not accelerated?

82 votes
8 answers
18k views

Why does fire make very little sound?

  • 2,575
82 votes
9 answers
43k views

Are matrices and second rank tensors the same thing?

  • 16k
72 votes
3 answers
8k views

How strong are Wi-Fi signals?

66 votes
2 answers
4k views

What are the proposed realizations in the New SI for the kilogram, ampere, kelvin and mole?

64 votes
7 answers
7k views

Is the Boltzmann constant really that important?

  • 3,497
63 votes
9 answers
22k views

What's the difference between magnetic fields $H$ and $B$?

62 votes
2 answers
28k views

Why is the ampere a base unit and not the coulomb?

  • 1,680
61 votes
7 answers
10k views

Could a human beat light in a footrace?

  • 1,335
61 votes
3 answers
61k views

Layman's explanation and understanding of Einstein's field equations

  • 2,225
48 votes
4 answers
21k views

The meaning of action

  • 1,147
46 votes
9 answers
7k views

Is it foolish to distinguish between covariant and contravariant vectors?

  • 1,478
44 votes
5 answers
5k views

How do I interpret uncertainty in velocity greater than the speed of light?

40 votes
2 answers
28k views

Square bracket notation for dimensions and units: usage and conventions

39 votes
8 answers
5k views

What is the most precise physical measurement ever performed?

  • 43.1k
35 votes
4 answers
23k views

Is it pions or gluons that mediate the strong force between nucleons?

  • 1,750
30 votes
6 answers
7k views

What is the experimental evidence that the nucleons are made up of three quarks?

29 votes
6 answers
4k views

Why do objects with big size break easily?

  • 1,651
26 votes
5 answers
7k views

Are protons bigger than electrons?

25 votes
5 answers
4k views

Does the universe have a fixed centre of mass?

  • 455
24 votes
2 answers
17k views

Uncertainty in parenthesis

  • 47.2k
24 votes
4 answers
833 views

Do we feel a gravitational pull towards where a mass will be in the future?

  • 1,344
24 votes
4 answers
6k views

Is there any way for a gas to pass through a solid metal?

22 votes
3 answers
4k views

Proton: 2 up, 1 down quark, Neutron: 2 down, 1 up, how can Neutron: proton + electron?

21 votes
4 answers
8k views

Why is the candela a base unit of the SI?

  • 2,510
18 votes
2 answers
2k views

Is the right hand rule a trick to avoid tensors?

  • 3,526
17 votes
6 answers
3k views

If the moon became a black hole, how much would it eat in a day?