Questions tagged [perception]
The perception tag has no usage guidance.
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Why and How Meditation Sounds and ASMR Ambiance Stop Overthinking? [closed]
This idea of using meditation sounds and ASMR ambiance to stop overthinking is gaining popularity these days, and I always wonder how it works.
https://www.youtube.com/watch?v=5FzjrdiUr90
This is a ...
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What am I seeing while closing my eyes? [closed]
We all must have noticed that when we close our eyes or rub them with our hands we generally see some patterns,shapes or colors. I am still unable to understand what are these things called and whe do ...
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Shaking pencil's hyperbola formula? [closed]
When you typically shake a pencil, it bends and forms a curve (hyperbola?). I want to formalize this phenomenon, but I'm not sure how to do it. I'd like to incorporate factors such as amplitude, ...
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Does quantum tunnelling have anything to with perception of light?
There have been studies suggesting that the sense of smell has something to do with quantum tunnelling but I'm afraid I don't know the exact details.
Do we possess internal mechanisms that simply &...
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Why and how white noise cancels other background noises?
This idea of white noise cancelling other background noises is quite popular these days and I always wonder how it works?
https://www.youtube.com/watch?v=nMfPqeZjc2c
This is a sample of white noise. ...
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Relativity, Lorentz Transforms and the time it takes to perceive
I've been working a bit at understanding relativity a bit more, and understanding Lorentz transformations. I want to make sure I understand the meaning of a Lorentz transofmration, and when to use it ...
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Is the apparent slower movement of distant objects compared to nearer ones seen from a speeding train due to basic optical perspective or relativity?
I was on a rapidly moving train recently and could not read the station signs because they whizzed by so fast. Some buildings in the distance with some business signs seemed to move much slower and ...
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How wave speed affects perception?
If there were 2 sound waves with the same wavelength and amplitude, but different speeds, how would my perception of the waves vary? How would my perception vary if they were light waves instead of ...
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Is it possible to perceive a subatomic particle decay event with the naked eye? [closed]
The image above is to help illustrate what I observed, although in this image the line is grey, while what I saw was a bright white line.
This question arises from an experience i had about two years ...
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Speed of sound confuses me
Just a random question out of interest.
When you hear an explosion, e.g. a firework, firecrackers etc, from far awa how does the sound reach our ears so quickly?
The speed of sound in air is like 300m ...
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Why does pouring water have a slightly different color when viewed from above?
I have noticed when I view a hose pouring water the color of water slightly changes when looking from above compared to when looking from the front.
Also, the same thing applies when you pour water ...
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How do our eyes perceive a parallel beam?
So if our eye is considered a lens, a parallel beam (sort of like collimated light from a flash light) should converge to a single point, the focal point. So does that mean our eye will see a finite ...
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Is it possible to design a wheel without the wagon-wheel effect?
Wagon-wheel effect is a well-known optical illusion due to the persistence of vision. It happens when the spoke of a wheel rotates to a certain position after the duration of persistent vision. ...
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Does intense, cyclically-pulsed light appear brighter than its average?
Background
The Wikipedia article on the Talbot-Plateau law mentions:
If a light flickers so rapidly that it appears as continuous, then its perceived brightness will be determined by the relative ...
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Do vibrational frequencies produced from sound pass through your entire body? from one side to another? [closed]
when there is a noise by me, i feel the vibration on my skin from the direction it’s coming, it moves into my body. a wall of what sound would feel like passing through me. i perceive it as container ...
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