Dargscisyhp's user avatar
Dargscisyhp's user avatar
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Dargscisyhp
  • Member for 10 years, 4 months
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206 votes
10 answers
20k views

Why is the detection of gravitational waves so significant?

115 votes
6 answers
15k views

Could we send a man safely to the Moon in a rocket without knowledge of general relativity?

19 votes
4 answers
2k views

Can we find the exponential radioactive decay formula from first principles?

19 votes
4 answers
5k views

Question about canonical transformation

17 votes
3 answers
3k views

How to tell that the electromagnetic field tensor transforms as a tensor?

15 votes
3 answers
4k views

Why do we travel in a circle along the Earth?

13 votes
3 answers
8k views

Converting between matrix multiplication and tensor contraction

10 votes
2 answers
4k views

A few questions on passive vs active Lorentz transformations

10 votes
4 answers
854 views

When are infinities okay? [closed]

8 votes
2 answers
722 views

Why are these two definitions for symmetries in the Lagrangian equivalent?

8 votes
5 answers
2k views

Centrifugal force in Arthur C. Clarke's Rendezvous with Rama

7 votes
2 answers
1k views

What is considered now over astronomical distances?

6 votes
4 answers
357 views

Interpretation of the displacement current

6 votes
2 answers
1k views

According to Liouville's theorem, why is the measure on an energy-surface different from the measure on the phase space in general

5 votes
1 answer
776 views

A few questions on wave packets and uncertainty relations

5 votes
1 answer
2k views

Finding the normal ordered momentum operator for free theory

5 votes
2 answers
1k views

Why does a cyclic coordinate reduce the dimension of the cotangent manifold by 2?

5 votes
3 answers
10k views

In general, why do smaller guns have more felt recoil?

5 votes
2 answers
862 views

Proving the existence of temperature from zeroth law in the MIT OCW notes

4 votes
3 answers
1k views

Are quantum mechanics and general relativity predictions of string theory, or were they built into the theory from the start?

4 votes
2 answers
109 views

Is a folded protein's conformation subject to thermal fluctuations?

3 votes
2 answers
4k views

What is the difference between a physical constant, a scalar, an invariant, and a conserved quantity?

3 votes
0 answers
53 views

Please help me understand this simple model for energy loss in backscattering experiments

3 votes
2 answers
1k views

Heisenberg uncertainty relation and relativity

3 votes
0 answers
55 views

What causes the plane contrails to bend in the foreground of the eclipse?

3 votes
1 answer
365 views

Proving $[a_k^\dagger, a_q^\dagger]=0$

2 votes
4 answers
2k views

Steering a motorcycle

2 votes
3 answers
557 views

What is the physical meaning of $a_{\vec{p}} \! \mid \! 0 \rangle$

2 votes
1 answer
3k views

Canonical transformation problem

2 votes
2 answers
1k views

When sunlight bounces off the Earth, why isn't the entire spectrum reflected rather than just the infrared portion?