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Xfce4
  • Member for 1 year, 8 months
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25 votes
7 answers
6k views

What happens when a laser beam is stuck between two mirrors and the distance in-between is decreased gradually? Heisenberg Uncertainty Principle

3 votes
2 answers
364 views

Measuring spin at an angle. Why is the probability $p = \cos^2(\theta/2)$?

2 votes
0 answers
49 views

If the light was slowing down universally could we detect it? What do we need? [duplicate]

2 votes
2 answers
88 views

Does the frequency of light have any effect on gravitational lensing? [duplicate]

2 votes
4 answers
179 views

Do we not know that momentum is certainly not conserved at single electron double slit experiments?

2 votes
2 answers
185 views

Does spin 3/2 imply 2/3 full rotations? [duplicate]

1 vote
1 answer
176 views

Does a single atom vibrate?

1 vote
1 answer
81 views

Has any double slit experiment been performed near 0 kelvin?

1 vote
1 answer
63 views

Do electromagnetic waves spread out in vacuum, i.e. does the width of the wavefront increase?

1 vote
1 answer
79 views

Is red-shifting the only proof for the expansion of the universe?

1 vote
1 answer
91 views

What if we replace the flat screen with a complete sphere? Double slit experiment with photons

1 vote
1 answer
151 views

Do wavefunctions always have to be sinusoidal in '1D particle in a box' setups?

0 votes
0 answers
64 views

How was Planck able to measure / determine the such small number of $h$?

0 votes
2 answers
193 views

How soon does an electron emit the absorbed photon back?

0 votes
2 answers
78 views

Is it possible that a sufficiently high energy photon can be absorbed by the proton and emitted back without resulting in a fission?

0 votes
1 answer
75 views

One hydrogen atom universe. Is it possible to free the electron?

0 votes
1 answer
62 views

If we increase and decrease gravity periodically, what is the name of the resulting wave?

0 votes
1 answer
135 views

How to calculate the work done by squeezing an air balloon (or pushing a piston)?

0 votes
0 answers
20 views

How to calculate the accuracy limit for a particle in 1-dimensional closed box? Recursive systems. Heisenberg Uncertainity Principle

0 votes
0 answers
64 views

Double slit experiment on superfluid surface. What do we observe?

0 votes
1 answer
86 views

Quantum eraser experiment. Can we "theoretically" switch on and off the interference pattern instantaneously?

0 votes
3 answers
106 views

How do we know that physical laws/postulates/principles/rules are true? [closed]

0 votes
2 answers
42 views

How does the particle's total energy affect the interference pattern? Individual Particle Double Slit Experiment