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Physics
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Charlie
  • Member for 5 years, 6 months
  • Last seen more than a week ago
  • UK
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122 Answers

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63 votes

In a vacuum, can you see light which is not travelling towards you?

37 votes

General relativity (and other theories) when proven wrong

25 votes
Accepted

Because things smell, is everything evaporating?

22 votes

Is there a rule regarding how vectors and scalars combine in formulae?

17 votes
Accepted

Why is angular velocity the same for all points on a spinning disk, even though they are at different radii from the center?

17 votes
Accepted

Quantum mechanics and rigorous math

13 votes

How can any speed be defined as a constant?

12 votes

Are laws of nature absolute or are they just very good approximations?

11 votes

How can we see objects with the help of light if we cannot see atoms?

10 votes
Accepted

If a photon takes all possible paths, does it travel faster than light?

7 votes
Accepted

Is it correct to say that; an object moving at a constant velocity is moving in a straight line?

7 votes

Why is it hard to exercise with wearing the mask?

7 votes

Why acceleration is limited?

7 votes

Gravity bends space, so how can space have only 3 dimensions?

7 votes
Accepted

Correct interpretation of $\langle x | \psi \rangle$?

6 votes
Accepted

Can spacetime be curved even in absence of any source?

6 votes
Accepted

Why did my professor write down the Einstein field equations like this?

6 votes

Do colors differ in terms of speed?

5 votes

Lorentz boost transformations form a group?

4 votes
Accepted

Help understanding Einstein notation

4 votes
Accepted

Are particles literally waves or just abstract probability waves?

4 votes

Why does Quantum Mechanics use Linear Algebra?

4 votes

Hamiltonian Operator

4 votes
Accepted

Unconvincing sentence in wikipedia

4 votes

What is the speed of Pushing/Pulling?

4 votes
Accepted

Understanding Gauss’ Law in differential form for a point charge

4 votes

What really determins the color of light?

4 votes
Accepted

Why use of creation and then annihilation operator on n state gives n+1 state when they are supposed to reverse each others effect?

3 votes
Accepted

How to Apply Gauss Law?

3 votes
Accepted

What's with all the index notation in General Relativity?

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