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25
votes
6answers
3k views

Fourier transformation in nature/natural physics?

I just came from a class on Fourier Transformations as applied to signal processing and sound. It all seems pretty abstract to me, so I was wondering if there were any physical systems that would ...
11
votes
5answers
842 views

units and nature

I am wondering whether the five$^1$ units of the natural unit system really is dictated by nature, or invented to satisfy the limited mind of man? Is the number of linearly independent units a ...
6
votes
2answers
794 views

Are there any naturally occurring perfect circles? [duplicate]

Given that $\pi$ is the irrational number that occurs with a perfect circle, and perfection is very difficult to achieve through chance or nature, I think that most circles are really ovals, and ...
6
votes
0answers
49 views

Natural entanglement system

I'm beginner and amateur interested by the quantum physics. I would like to know if it exists entanglements systems at natural state or it requires mandatory an human intervention ? Is it possible ? ...
4
votes
2answers
238 views

Can bad guys really hide “dirty bomb” material via bananas?

This one probably has some cross-over with Skeptics SE, but I thought it fits here a little better. The concept comes from the TV show NCIS:LA second season episode "Empty Quiver" Here, the villains ...
4
votes
2answers
72 views

Jumping sewer lid - WHY?

Intro: Few hours ago, there was a storm. We heard some constant banging which couldn't be explained by thundering. Then we found out, it was a sewer lid jumping. Maybe it's normal in other parts of ...
4
votes
1answer
154 views

Does nature tetrate?

We see addition, multiplication and exponentiation in the natural formulae that make up physics. However, do we ever see tetration (repeated exponentiation) or higher hyper-operators in nature? ...
2
votes
5answers
743 views

Do perfect spheres exist in nature?

Often in physics, Objects are approximated as spherical. However do any perfectly spherical objects actually exist in nature?
2
votes
2answers
105 views

Is it possible to create a head-mounted optical device that allows the user to see the wind?

Is it possible to create a head-mounted optical device that allows the user to see the wind, by means of thermal imaging / infrared detection, variations in the light's refractive index, or something ...
0
votes
3answers
109 views

How physical objects (e.g. Earth and Apple) are aware and do computation about each other? [closed]

For example, in Issac Newton's famous story, how Earth and Apple are aware that they are at distance r of each other? How they can compute their movements?! Above ...
0
votes
2answers
80 views

can silence happens when 2 sound waves destroy each other [duplicate]

Hi is there any possibility that you located between 2 sound sources and u hear nothing? as we know 2 wave in opposite direction will destroy each other...
-4
votes
0answers
37 views

If space-time continuum exists in nature then where is mass? [on hold]

If space-time continuum exists in nature then what is its relation to mass? Does mass exist unaffected in S-T continuum, or , does the S-T exist without affecting the mass in any way. If gravity ...
-5
votes
1answer
129 views

Describing physical constants in alternate wording; c = there can only be 671million miles of space for every second of time [closed]

This spawns from part of an answer to a question I asked. All sorts of things go to 0 and/or ∞ if you start boosting at c, and so you cannot boost into and out of a photon's frame. It ...