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S. McGrew

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Top Questions
15 votes

What is the experimental evidence for the gravitational field having positive energy density?

general-relativity experimental-physics field-theory gravitational-waves asked Mar 4, 2018 at 18:30
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12 votes

Is zitterbewegung physical or not?

quantum-mechanics quantum-interpretations asked May 18, 2018 at 16:02
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11 votes

How to explain gravitational lensing to a layman?

general-relativity gravity gravitational-lensing asked Jan 2, 2019 at 2:54
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9 votes

Cosmological consequences of the mass-energy content of gravitational waves

general-relativity cosmology gravitational-waves dark-matter dark-energy asked Jun 18, 2020 at 16:13
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8 votes

Has frame dragging been accounted for in galactic rotation curves?

estimation dark-matter galaxy-rotation-curve frame-dragging asked Mar 6, 2021 at 3:10
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8 votes

Is there a "special" inertial frame determined by the value of E and B at a point in an EM field?

electromagnetism special-relativity inertial-frames lorentz-symmetry asked Mar 23, 2019 at 3:42
physics.stackexchange.com

7 votes

Would a charge imbalance act like dark energy?

electromagnetism general-relativity charge cosmological-inflation dark-energy asked Dec 20, 2018 at 18:08
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6 votes

Types of entanglement not due to conservation principles

quantum-mechanics quantum-information quantum-entanglement asked Jul 13, 2018 at 18:13
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6 votes

Can a linear system be chaotic?

quantum-mechanics chaos-theory linear-systems asked Oct 27, 2018 at 0:48
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Top Answers
68
Why don’t astronauts “push” spacecraft?
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64
If a photon truly goes through both slits (at the same time), then why can't we detect it at both slits (at the same time)?
physics.stackexchange.com

62
How do I experimentally measure the surface area of a rock?
physics.stackexchange.com

60
If electrons are identical and indistinguishable, how can we say current is the movement of electrons?
physics.stackexchange.com

52
Could there theoretically exist a material so light, that it can levitate in the air just due to the in height decreasing air pressure?
physics.stackexchange.com

52
Why does my tea periodically alternate its rotational speed after stirring? (Link to video below)
physics.stackexchange.com

48
How are overtones produced by plucking a string?
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42
Is force due to electric field instantaneous? If not then why?
physics.stackexchange.com

41
If a jet engine is bolted to the equator, does the Earth speed up?
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37
What happens when the drag force exceeds the weight of an object falling into earth?
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33
Does it make sense to say that something is almost infinite? If yes, then why?
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26
What is physically different about a moving vs still object in space?
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23
Is the photon pair generated from the electron-positron annihilation entangled?
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20
Is there an equivalent of computation of physical processes in nature?
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20
How exactly does artificial gravity work?
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18
What actually is white light?
physics.stackexchange.com

12
Is there any research on the development of attacks against artificial intelligence systems?
ai.stackexchange.com

12
Could you use a laser beam as a modulated carrier wave for radio signal?
physics.stackexchange.com

11
What is happening when magnetic field lines snap or break?
physics.stackexchange.com

11
How can iron be forged by a hand-powered hammer?
physics.stackexchange.com

11
Superconductive magnet as a source of energy?
physics.stackexchange.com

11
Ground → ship Wi-Fi bandwidth in my fast moving spaceship
physics.stackexchange.com

11
How would a fast-moving atom interact with a body?
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10
Can we see emission lines in stars?
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10
Siphon water from washing machine into sink next to it
physics.stackexchange.com

9
Only sea water appears blue in color, why this is not happening in river water?
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8
Why a falling object has a constant acceleration?
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8
Can Schrödinger's cat be filmed?
physics.stackexchange.com

8
Why does glass, in spite of being amorphous, often break along very smooth surfaces?
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8
Is the net charge on a capacitor zero? If yes, then why?
physics.stackexchange.com

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