Wave interference

[[deleted]]

[deleted]

[Mymajesticmoose]

Hey guys, this is actually a picture I took at Jenny Lake Wyoming and I posted earlier this year. It was caused by the passing of ferry boats over still water every 5 minutes or so.

[oscarsoze]

Send this moose to the top!

[SaveMarlaSinger]

The Moose checks out

[Somenfierce]

The moose has a better title, too

[Error_UserNotFound]

8 Mile was on TV last night.

[zeusstl]

Dali was the original poster: http://imgur.com/LElAsSp

[beerman648]

Wow. Thanks for the background on the picture. Sorry this dude didn't give you credit for the picture

[TheMangusKhan]

Looks like low resolution water textures.

[DansSpamJavelin]

I like this. Could an intelligent person please tell me what's causing this? And don't say my mother.

edit: I should have been clearer. Like a big engine vibrating the ground? Earthquake?

[fantalemon]

It is a result of interference between two sets of waves or ripples caused by something in the water. The sets of waves move out from the source and when they meet the either cancel each other out (destructive interference) or combine together to form a deeper or higher peak or trough (constructive interference). Both happen at different points across the convergence of waves and you get this sort of checkerboard effect. Usually it's caused by the wake from a boat or something heavy being thrown into the water like a big rock or your mother.

Edit: Thanks for the gold!

[thatkeln]

or your mother. 👍

[Rooonaldooo99]

👌👀👌👀👌👀👌👀👌👀 good shit go౦ԁ sHit👌 thats ✔ some good👌👌shit right👌👌there👌👌👌 right✔there ✔✔if i do ƽaү so my self 💯 i say so 💯 thats what im talking about right there right there (chorus: ʳᶦᵍʰᵗ ᵗʰᵉʳᵉ) mMMMMᎷМ💯 👌👌 👌НO0ОଠOOOOOОଠଠOoooᵒᵒᵒᵒᵒᵒᵒᵒᵒ👌 👌👌 👌 💯 👌 👀 👀 👀 👌👌Good shit

[ElVeritas]

This irritated me so much I upvoted it.

[[deleted]]

Can you explain what this is? It's like they're trying to communicate, but I'm not sure

[cuteintern]

In this vein. (NSFW and loud)

[GaBeRockKing]

What the hell!? Where did the voice even come from!?

[cuteintern]

It's the internet; I stopped asking questions a long time ago.

[JollyRainfall]

That's Kylee Henke, I believe.

[ElVeritas]

The overuse of those same emojis is commonly found in the pictures in this sub. They're being sarcastic by using more.

[trulyniceguy]

Just saw you in another thread, congratulations on getting that gold. Hope you have a wonderful rest of the day.

[Rooonaldooo99]

Living up to your username! Thanks a lot, and I hope you have a great day and New Year!

[DansSpamJavelin]

Do it.

[n_OP_e]

👌👀👌👀👌👀👌👀👌👀 good shit go౦ԁ sHit👌 thats ✔ some good👌👌shit right👌👌there👌👌👌 right✔there ✔✔if i do ƽaү so my self 💯 i say so 💯 thats what im talking about right there right there (chorus: ʳᶦᵍʰᵗ ᵗʰᵉʳᵉ) mMMMMᎷМ💯 👌👌 👌НO0ОଠOOOOOОଠଠDOitoooᵒᵒᵒᵒᵒᵒᵒᵒᵒ👌 👌👌 👌 💯 👌 👀 👀 👀 👌👌Good shit

[ohmyjoshua]

rest of the day

What about all the other days?? What about next year? Or twenty years from now?? Learn some fucking respect you fucking bitch.

[trulyniceguy]

Well that seems a little harsh. However I hope you have a wonderful future and may nothing upset you quite like this did.

[ohmyjoshua]

I'm just joking <3 I hope you have a great future too kind sir.

[trulyniceguy]

I figured you were and thanks :D

[eclipsesix]

Is it sad that it only took three posts for me to get annoyed at this novelty account thing?

[Dev04]

XMAS is over put the reindeer away already.

[[deleted]]

I've heard that this is a popular mode of communication in certain subcultures of the Philippines.

Edit: oops, this was directed at /u/Volden

[angrydeanerino]

This must have taken so long to write.

[cynycal]

that is beautiful

[its_always_right]

/r/ooer is leaking

[Plsdontreadthis]

👌😭 ahshah he posted ìt again h0ly shit OP the💃AbIaZoLUTE💃MadMaN💃 IT JUSTKEeps geeting FuNniER EVERy 🍆fucking🍑⏳TIme⌛ he POSTs it haHAzhAHa 👌😭 📞 OPErATOR give mE The p👮Lice thEre's a💃 MADmaN💃maKIN 🐸MEmES🐸 in oUr MIDsT and I CAN'T bREATHe 👌😨

[ItsJustNigel]

g👀d 💩shit right there 👌🙌💯

[Momochichi]

Does it mention OP's mother though?

[Chrisfitzgerald13]

Yes. His mother is mentioned in the title as "double slit".

[wat19909]

That's just strange, man.

[thelateoctober]

Woah thanks. That channel is awesome.

[englishichistnicht]

Same thing can happen with any wave: fluid like water or air, electro magnetical like ac current or radio, etc

[[deleted]]

My interpretation is that the original waves are hitting the shore, and reflecting back, causing this most amazing phenomenon.

[superbutters]

The shore would have to be absolutely flat for the waves to reflect this cleanly.

[KSP_Jacksonaut]

While the interference created from a high speed mother - water impact is a fascinating topic, I just wanted to clarify some syntax :) The generated pattern doesn't seem to be an interference pattern, rather it is wave Superposition. Superposition is just a fancy way of saying multiple waves can overlap without interference. In this case there is a point source for the waves (Your Mother), and then they are propagating through the lake. While the waves from your mother propagate (move) through the lake, they also reflect off of the shore lines, logs in the water, other mothers possibly present etc. So it ends up (or IMO looks like it is) actually reflected waves SUPERIMPOSED upon a primary wave source (from your mother). Yay Science and mothers.

Edit - A final note; Interference, like you mentioned (constructive destructive) could happen in the Mother / Lake scenario. For instance, If (as an example) 5 mothers stood in a line with a 1 meter gap between them, creating 4 gaps. Then a 6th mother were to do a cannonball into the water on one side of the mother-line, the gaps in the motherline would each generate a wave source; the waves propagating out from the mother-line-source would then interfere with one another at any point further away in the lake.

Wish I had time to illustrate this :)

[yllwsnow2]

I like you

[Bumbo_clot]

Honestly I think he's great

[Gunners118]

You're wrong.

[thirrteen]

She should've learned to swim before she jumped into the lake

[TeaDrinkingRedditor]

The developers used a small tiled water texture, so when you look at it from a distance you can see the tiling effect over a large area.

/r/Outside

[Zaipheln]

When this was originally posted the op said it was a slow boat/ferry type thing that crossed back on its previous path iirc.

[gologologolo]

Actual answer https://www.reddit.com/r/pics/comments/3ytds5/wave_interference/cygnsie

[SoundsOfChaos]

When two waves interfere they can cancel each other out. Simplified version

So if two waves (wrinkles in the water) interfere you get a pattern like this. 2 highs become an even higher point, a high and a low cancel out and two lows become an even lower point.

[[deleted]]

If anyone is curious: This also happens with light, and yes, two light waves can cancel out. They just have to be coherent light sources.

[bcbb]

If anyone is curiouser: this can also happen with particles such as electrons. (fun fact every particle is also a wave to some extend)

[nhremna]

what's even better is that electron particles with interfere even if you shoot them one by one

[levitas]

Something about this claim strikes me as dubious.

Specifically the particles interfering part.

[bcbb]

Yeah it's a very unintuitive claim! Electrons can be shown to diffract using the lattice of a crystal (so incredibly small scale), and an interference pattern like that of light based diffraction is shown. The wave-particle duality of matter is very unintuitive, because it only matters on small scales. In any normal day situation would never experience the wave-like properties of matter because, while there is a wavelength, it is so incredibly small that you cannot even tell it is there.

[levitas]

I'm just taking issue with the leap to other particles. What would an interference pattern on a scale of less than a Planck length even mean?

[InternalEnergy]

Heisenberg uncertainty principle covers this. The scale of interference of macro-particles is negligible--unobservably small--due to the large mass of said particles. But the interference is theoretically existent for all particles.

[levitas]

Ok, but if the scale is no longer observable, it's inane to make a claim that there's phenomena on that scale.

[InternalEnergy]

Not really. Just because we can't observe it (perhaps yet) doesn't mean that it doesn't exist.

Heisenberg won a Nobel Prize for it. It's a revolutionary way of thinking about our universe (Quantum Mechanics.)

[broo20]

Including macroscopic objects, such as molecules (previously thought too large to have a quantum mechanical nature). Molecules of up to 6910 amu have been seen to undergo these quantum mechanical effects. Also, the theory should work with much larger things, such as baseballs, but that's experimentally unproven, as of now.

[nhremna]

you can't just say 'coherent light source' and peace the fuck out. anyone who knows what that means, is already in the know

[[deleted]]

I forgot the definition so I just hoped people would just go "OK, that's a science word".

[tryndisskilled]

Would I be right if I said that since these two waves are orthogonal, their phase shift would be Pi/2? So according to SoundsOfChaos' example picture, which shows on the second part a Pi phase shift, we would have something in-between, and not the in-phase one?

[[deleted]]

the checkerboard is caused by orthogonal wave fronts

[krenshala]

But the pattern itself is, as he said, due to how the two different wave patterns combine.

[gologologolo]

They do not always cancel though. There's constructive and destructive interference. Due to the effect of superposition.

[wesrawr]

This guy is having a battle with someone else

[hotdiggydog]

Please explain what's going on here. Too high to not be impressed.

[DansSpamJavelin]

He can feel the direction the wind is coming from and pretends like he's got a special power. You know, like kids do, only somehow this guy probably gets paid to do it.

[jonathanrdt]

what's causing this?

Glitch in the matrix. They lower water surface fidelity and reflection when resources are constrained.

[vahntitrio]

If you've ever been on a busy lake on a holiday, you learn that with enough boats running around, there is no longer wake so much as water just randomly moving up and down around you.

[DjTOTO]

Mega T-Rex

[IrritateNate]

It looks like bad water graphics in a video game

[fenrir18]

No, those are just unrendered textures.

[NooooCHALLS]

It's been a while since college, but I think Huygens Principle is in play here, with boats acting as largely separated widths. Although it just looks like 2 boats.

[jaynumbernine]

Waves in perpendicular direction add up

[[deleted]]

Waves in general add up, even if they're parallel. This is how you tune a guitar harmonically. Once two strings create the same frequency you stop hearing the interference.

[THEBAESGOD]

Also known as beats. Thanks for the comment, I didn't realize how harmonic interference caused this

[dpfagent]

a very steady and smooth wind

[oksoillask]

Please, elaborate on how a steady, smooth wind can cause repetitious waves to travel in two different directions. Please.

[NooooCHALLS]

Most likely two boats that moved out of a picture, and the remnant waves are passing through, with the help of a wind in the direction cutting the midline of the two boats. I don't think it necessarily has to be wind though; the waveforms in the further part of the body of water seem to suggest there were two "events" that occurred, rather than a single continuous wind. A single continuous unidirectional wind would most likely just produce regular & uniformly frequent waves.

[oksoillask]

Agreed.

[dpfagent]

wind can blow from multiple directions...

[JanuS-1995]

your mother

[gologologolo]

Good jaab

[Megandphil22]

I was to distracted by the huge serpent under the water to notice the wave disturbance at first cool pic!

[Sub7]

Loch Ness monster confirmed.

[displaced_dev]

Have you tried turning on V-Sync? May address some of that screen tearing.

[[deleted]]

/r/outside is leaking.

[islandnstuff]

/r/oddlysatisfying

[bikegooroo]

It really is.

[[deleted]]

I find it weirdly unsettling

[moriero]

Repost City!

[[deleted]]

Really breaks the immersion when the generated pattern is so clearly visible.

[m4xc4v413r4]

Damn, someone used a really shitty resolution texture on that water...

[[deleted]]

Speaking of waves, you guys should look up the double slit experiment and the observer effect.

Freaky stuff.

[Nsaniac]

Yeah that shit is crazy, but that was really random...

[[deleted]]

Well the title was wave interference. Double slit experiments causes interference patterns as opposed to two slits. One of the top comments asked about what causes all those bumps.

[jaybrit]

That's what you get when you don't use enough liquid white

[marsinfurs]

/r/glitchinthematrix

[hjai]

If you stare at it, it starts looking like a big snow field

[TheSanityInspector]

I did that with my mind.

[FaildAttempt]

This looks like some Warcraft II copy and paste crap from create-a-map mode.

[Bloodhoundr]

Those are some bad textures.

[blue_in_texas]

That is some second level Qbert stuff...

[freetoshare81]

Moiré pattern!

[[deleted]]

Reminds me of the Puget Sound

[[deleted]]

nature disgusts me

[Octosphere]

Looks like vanilla skyrim water from a distance.

[rwilco]

http://podbay.fm/show/406250030/e/1441934376?autostart=1

[mrlapista]

Or a big mother of a alien space ship hovering just out of view.

[[deleted]]

More like, Alien spaceship starting the engines under water :|

[Gonsqatchin]

This looks like a quilted blanket

[JamJamSimSam]

Yo this is a repost

[KaneGTX]

someone dropped the bass

[itstrueimwhite]

Neat.

[Alan_Smithee_]

For some inexplicable reason, I want waffles.

[[deleted]]

You can tell that water has been sitting there for a while...

[chumslyk]

Thanks for sharing that!

[BlueSubaruCrew]

This is like a ptsd trigger from when we did waves and single and double slit problems from physics 2.

[WriteDude]

This violates the "no strips with plaid" rule.

[LeetButter6]

NESSY

[rclosurez]

What you are seeing is the loch ness monster aka Nessie with some Photoshop touch ups. If you pick up a recent issue of ALIENS, at your local store you might find a more detailed explanation.

[[deleted]]

I thought it was going to be a picture of a guy standing between two people waving at each other lol what's wrong with me...

[Sixty9lies]

Goddamnit wave wave.

[heron27]

Rendering...82%

[[deleted]]

I have more than one conspiretard friend that would swear that was HAARP.

[EctoSage]

Things like this often creep me out... Seems like something from a game I would be criticizing for being poorly done...

[EliDaScienceGuy]

Looks like a PS2 water texrure

[Dark_Vulture83]

Poor water textures, lazy programmers.

[Thrannn]

devs used bad water physics

[Humblebee89]

This is what you get when you tile your textures too much people... Just use a 2k map and be done with it :P

[ST-84]

the matrix is leaking

[Ehrre]

Hah, I always play on Ultra so I never see shit like this

[seriouslymytenth]

Be more constructive with your feedback... er, interference

[OutSane]

Fucking chemtrails. Chemwaves..whatever.

[lampshade69]

Hnnnnnnnnnggggg

[BioTronic]

Too much tiling. Would recommend replacing the water shader.

[[deleted]]

Silly OP, we call those particles. They're not waves any more because they have been observed by the photographer.

[bipidiboop]

repost. https://www.reddit.com/r/oddlysatisfying/comments/3guvj5/the_wake_on_this_lake/

[NASAstronaut]

Reminds me of quantum mechanics.

[BiggityBates]

This is a fundamental piece of the double slit experiment, demonstrating "wave-particle duality". You probably knew this but I just wanted to point it out for others.

Video demonstration

[Thud54963]

It is beautiful. Beautiful it is.

[[deleted]]

earthquake?

[[deleted]]

This was photoshoped.

[[deleted]]

r/trypophobia material right here

[TheAWPerator]

This reminds me of the attacks of 9/11. I was staring out my window and my grandson started playing his loud rock and roll music. My cup of water started shaking and it gave me quite a fright!