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lalala's user avatar
lalala's user avatar
lalala
  • Member for 8 years, 10 months
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16 votes

Can 1 kilogram of radioactive material with half life of 5 years just decay in the next minute?

7 votes

Why do we not use cold neutrons in nuclear reactors?

7 votes

Why are synthetic elements unstable?

6 votes

Does a "Photon Box" have gravitational mass?

6 votes

Motivation for the use of 1-forms in General Relativity

5 votes
Accepted

Can a lens be used at radio frequency?

4 votes

Why do we use cross products in physics?

4 votes

Can two fermions with different energylevels be at the same position?

4 votes
Accepted

Can the Huygens principle be justified rigorously mathematically?

4 votes

Bell's theorem and how it solves the EPR paradox

3 votes

How do coherent isotropic radiators evade the hairy-ball theorem?

3 votes
Accepted

Newton's law of cooling

3 votes

Dual nature of matter

3 votes

Does a gauge transformation leave physics invariant?

3 votes

What is an event in Special Relativity?

3 votes
Accepted

How fast, based on the laws of physics can the Internet be?

2 votes

If $\mathbf{F}_{net} = m\mathbf{a}$ then how is $m\mathbf{a}$ not a force?

2 votes

Do continuous wavefunction form a Hilbert space?

2 votes

What actual difference does it make whether electric or magnetic field lines are open or closed?

2 votes
Accepted

Charge Distribution on a perfectly conducting hollow shell

2 votes

Shor's algorithm with adversary - can (delayed) erasure of value qubits cripple calculations?

2 votes

Can you "rewind" sound messages by going supersonic?

2 votes

What is the adjoint of the operator?

2 votes

Gradient, divergence and curl with covariant derivatives

2 votes

Acceleration of radio waves

2 votes

Why is this a circuit in parallel if it is topologically different than a parallel circuit

2 votes

Can magnetic force really be just electric force in a different frame?

2 votes
Accepted

Why does the Eulerian approach become invalid for intersecting trajectories?

2 votes

Distance times Velocity

2 votes

Is loop quantum gravity the only theory concerning the structure of spacetime?