Questions tagged [nature]

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Can a mote of dust create a rainbow/prism like effect if floating inside the light of a sunbeam and seen from the right angle and/or device?

The device could be a telescope, microscope, camera, or anything that zooms in with great clarity. I'm pretty sure that lots of dust together in one place in a sunbeam can have this effect (please ...
Matt Bird's user avatar
-2 votes
3 answers

Non-mathematical formalizations of physics?

The deeper I carve into physics, the more clear it becomes to me that there might be a better way to analyze the universe than our mathematical frameworks. Not like defining new algebras or thinking ...
Dutonic's user avatar
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1 answer

Uniqueness in Nature and the tacit physicist method of "solving problems by uniqueness" [closed]

It seems to me that it is a fairly oft-used (although rarely mentioned explicitly) strategy in physics textbooks (and perhaps the research literature) to solve problems in the following manner: Make ...
EE18's user avatar
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3 votes
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Why is the dust gathering this way?

I bought a clock from the store that has no battery inside. Completely new. This was inside the walls of the cheap clock. I was completely confused as stated above… it wipes off with your finger. The ...
Quora's user avatar
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Considering "quantum swapping", are there any particles currently on earth that are entangled with particles on the moon?

If quantum swapping allows for entanglement to be swapped between two particles that have never spatially interacted, then would it stand to reason that when a rock comes from the moon, that some ...
thejuggler's user avatar
6 votes
2 answers

Why is snow white? [duplicate]

There is one question that has been bothering me sometimes the last couple of years that I want to share. There are two statements that I believe are true. A) snow's natural color is white B) snow of ...
Nick The Dick's user avatar
0 votes
2 answers

What is a "fundamental law of nature"? [duplicate]

The trigger for this question is from "University Physics with Modern Physics" (by Young & Freedman) when they mentioned that Ohm's law is not actually a law; this sentiment was echoed ...
Tham's user avatar
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4 votes
3 answers

In sunlight a shadow looks darker relative to the sunlight, but is it actually brighter than when there is cloud cover?

Considering the same point in a shadow on the ground, how does the incident light level vary when there's cloud cover diffusing the sunlight compared to no cloud cover? In sunlight a shadow looks ...
EdL's user avatar
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1 answer

Perfect things in Nature [closed]

I recently heard that Snell's Law is perfect in nature. Are there more such things which are perfect from the aspects of physics?
Prof. Meow's user avatar
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1 answer

Have we ever been able to fully model matter?

Chiral Anomaly clarified the following as: [do] we have a mathematical model that would probably account for everything we've observed about matter if we had the ability to do all of the calculations? ...
Winston's user avatar
  • 3,220
13 votes
12 answers

Is there an equivalent of computation of physical processes in nature? [closed]

I was watching a waterfall in the Austrian Alps. There were thousands of water droplets falling down, splattering on the stones below. I thought - how does nature find out so quickly where each ...
David Mayer's user avatar
3 votes
1 answer

How does nature calculate instantaneously? [closed]

Physicists can make calculations about the world around us. However, it takes time for humans or even computers to perform the computations. How does nature do these calculations instantly?
AlexH's user avatar
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-1 votes
4 answers

Why does nature prefer simultaneous events? [closed]

Nature mostly prefers simultaneous events: Acceleration is produced without any delay on applying force. Angular acceleration is produced without any delay on applying torque. A bulb glows ...
Shreyansh Pathak's user avatar
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1 answer

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....
AoZora's user avatar
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-1 votes
1 answer

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 ...
Shubham Prateek's user avatar
1 vote
2 answers

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 ...
masterwarrior123's user avatar
2 votes
2 answers

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 ...
Sparkler's user avatar
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3 votes
1 answer

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 ...
blackcornail's user avatar
-3 votes
1 answer

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
5 answers

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, ...
Azad's user avatar
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1 vote
0 answers

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.
user avatar
0 votes
4 answers

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.
user avatar
9 votes
7 answers

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 ...
Erlik's user avatar
  • 332
9 votes
2 answers

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 ...
csblo's user avatar
  • 201
0 votes
2 answers

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...
jack's user avatar
  • 325
0 votes
3 answers

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 ...
Yasser Zamani's user avatar
5 votes
2 answers

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 ...
cobaltduck's user avatar
6 votes
2 answers

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 ...
makerofthings7's user avatar
-4 votes
1 answer

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 ...
KDecker's user avatar
  • 817
6 votes
1 answer

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? (...
billpg's user avatar
  • 830
6 votes
5 answers

Do perfect spheres exist in nature?

Often in physics, Objects are approximated as spherical. However do any perfectly spherical objects actually exist in nature?
Cactus BAMF's user avatar
2 votes
2 answers

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 ...
Alain Jacomet Forte's user avatar
43 votes
8 answers

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 ...
Justin L.'s user avatar
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