DanielLC's user avatar
DanielLC's user avatar
DanielLC's user avatar
DanielLC
  • Member for 9 years, 3 months
  • Last seen more than a month ago
61 votes
Accepted

Why do electric sparks appear blue/purple?

14 votes

Will 1 gram of matter moving at relativistic speeds completely annihilate a larger quantity of stationary antimatter?

7 votes

Why are stars white?

5 votes

How did Newton find out gravity is proportional to the product of two masses?

4 votes

How can a Physical law not be invariant?

4 votes

How can it be that the beginning universe had a high temperature and a low entropy at the same time?

4 votes
Accepted

Closed surface intuition

3 votes

Helicopter, Tricopter, Quadccopter - what's really happening here? Are there generalized advantages on a small scale?

3 votes

How is the the lower-limit of the proton lifetime measured experimentally?

3 votes
Accepted

How powerful would a quantum computer need to be to break RSA encrytion codes?

3 votes
Accepted

Lead - Lithium = Gold?

2 votes

How to prove that any rotation can be represented by 3 Euler angles

2 votes

How can we define a frame of reference in general relativity?

2 votes

There is some attempt to build a magnetic flywheel (reservoir of motion)

2 votes

Are some sources of electromagnetic radiation theoretically (or perhaps technically!) more challenging to detect than others?

2 votes

Why does the system move until equal temperatures are obtained?

1 vote
Accepted

Temperature in a vacuum made in the lab

1 vote

Maximum acceleration for a vehicle

1 vote
Accepted

What is the source of energy in this system? (resonance realated)

1 vote
Accepted

Lorentz contraction in continuously accelerating rod

1 vote
Accepted

Tachyons and the light barrier

1 vote
Accepted

Elevators to space

1 vote

Thought experiment about no-cloning theorem and FTL information

1 vote

Why don't we have a theory of everything?

1 vote

Does quantum mechanics imply that particles have no trajectories?

1 vote

Greater momentum than initial?

1 vote

Definition of an irreversible process

0 votes
Accepted

If we're holding hands, and you're inside the event horizon of a black hole, do we both fall in?

0 votes

What determines the alignment of an object levitating in a magnetic field?

0 votes

Why doesn't fire flow back INTO the cylinder?