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S. McGrew

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67
Why don’t astronauts “push” spacecraft?
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63
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)?
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59
If electrons are identical and indistinguishable, how can we say current is the movement of electrons?
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58
How do I experimentally measure the surface area of a rock?
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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?
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50
Why does my tea periodically alternate its rotational speed after stirring? (Link to video below)
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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?
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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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17
What actually is white light?
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12
Could you use a laser beam as a modulated carrier wave for radio signal?
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12
Is there any research on the development of attacks against artificial intelligence systems?
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11
How can iron be forged by a hand-powered hammer?
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11
Superconductive magnet as a source of energy?
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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
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10
Ground → ship Wi-Fi bandwidth in my fast moving spaceship
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9
Only sea water appears blue in color, why this is not happening in river water?
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9
What is happening when magnetic field lines snap or break?
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8
Horizontals in a grid do not cast shadow while verticals do. Why is this?
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8
Why don't marbles naturally arrange themselves like a crystal?
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8
Physics of a punch
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8
Can light beams (e.g. from a laser) visibly interfere if they cross in mid-air?
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