Questions tagged [nature]

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1answer
84 views

How do big rocks split in half? [closed]

So, recently I was on a trip in which I could observe a lot of huge rocks (1 to 20 meters in diameter), and I found odd how in several occasions rocks would be split in two parts, with a neat division....
-1
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1answer
79 views

Artificial Rainbows [closed]

We all know that rainbows are a consequence of scattering of light rays by the rain drops. But is it possible to create a artificial rainbow at a natural scale. I mean just the same as that caused by ...
0
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1answer
475 views

Why are many things in the universe round?

Take a walk outside and you'll realise many things are round. Wheels are round, a cup is round and even that home button on your iPhone is round. But that's all man made. In nature, there are many ...
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2answers
2k views

Why light waves and sound waves are sinusoidal?

The oscillation of light waves and sound waves (and many other waves) can be described with sinusoidal functions in time (frequency) and in space (wavenumber). Moreover, oscillation of monochromatic ...
3
votes
1answer
303 views

What causes the silence before the storm?

Everybody meet that phenomenon if a big storm comes (for example a cold front after a long heater period), before the arriving there is a short silence time, when there isn't nothing (no wind, no bird ...
-3
votes
1answer
44 views

Where can i get an online version of original works of Aristotlean physics (for free)? [closed]

I am trying to search for original works of Aristotle in physics. Pls refer an online version and kindle version is very much appreciated.
6
votes
5answers
635 views

Are there any natural phenomena on Earth that involve supersonic speeds?

Are there any natural phenomena on Earth that involves supersonic speeds, other than volcanic tephra and meteoroids? Edit: By natural I mean not man made like airplanes, rockets, missiles, bullet, ...
1
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0answers
1k views

Do right angles occur in Nature? [closed]

... apart from crystal structures. Everything else seems to tend towards spherical symmetry. This is also excluding arbitrary coordinate systems.
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4answers
241 views

Is it true that water go down the drain counterclockwise in the northern hemisphere and clockwise in the southern [duplicate]

Many websites say that water drain in different directions in Northern, Southern hemispheres. Some people say that Coriolis effect causes it. Some people say that it's not true.
10
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7answers
6k 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 ...
9
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2answers
219 views

Natural entanglement system

I'm a beginner and amateur interested in quantum physics. I would like to know if entangled systems of natural states exist or whether such systems require human intervention? Is it possible? Either ...
0
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2answers
1k 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...
0
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3answers
147 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 ...
5
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2answers
1k 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 ...
6
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2answers
5k 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 ...
-4
votes
1answer
195 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 somewhat ...
4
votes
1answer
350 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? (...
6
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5answers
5k 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
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2answers
133 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 ...
37
votes
8answers
8k 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 ...