Carl Brannen's user avatar
Carl Brannen's user avatar
Carl Brannen's user avatar
Carl Brannen
  • Member for 13 years, 2 months
  • Last seen more than 3 years ago
77 votes

Will a hole cut into a metal disk expand or shrink when the disc is heated?

40 votes

What is the logarithm of a kilometer? Is it a dimensionless number?

34 votes

How fast does gravity propagate?

27 votes

Why do two bodies of different masses fall at the same rate (in the absence of air resistance)?

21 votes
Accepted

Why were space physicists wrong about the location of the heliopause?

20 votes

What are the different methods for a resistor circuit that isn't parallel or series?

18 votes

In superluminal phase velocities, what is it that is traveling faster than light?

14 votes

What is the net charge of the Earth?

12 votes

Would it help if you jump inside a free falling elevator?

12 votes

Why do 'dead' batteries work again after exchanging the places of the batteries in an electronic device?

11 votes
Accepted

Batman spotlight in the sky

10 votes

Why is the maximum work achieved in reversible processes?

10 votes
Accepted

Is ground energy of interacting fermions always higher that that of bosons?

10 votes

Why do bass tones travel through walls?

10 votes

Can black holes form in a finite amount of time?

9 votes
Accepted

Purchasing semiconductor substrates

9 votes

Can vectors in physics be represented by complex numbers and can they be divided?

9 votes
Accepted

How can I understand counterintuitive units like $\text{s}^2$?

9 votes
Accepted

Are all bose-einstein condensates superfluid?

8 votes

Is a hard drive heavier when it is full?

8 votes

What does the data in various stages of analysis from a particle collision look like?

7 votes

Small change in theta - polar coordinates

7 votes

What happens if you connect a hot resistor to a cold resistor?

7 votes
Accepted

How much energy can be extracted from hydrogen?

7 votes

What is a virtual ground?

7 votes

Why beauty is a good guide in physics?

7 votes

Why are the noble metals inert?

7 votes

How can neutrinos oscillate though the lepton flavors have differing masses?

7 votes

Largest theoretically possible specific heat capacity?

7 votes

Define Pressure at A point. Why is it a Scalar?

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