Two Vortex Rings Colliding in SLOW MOTION - Smarter Every Day 195

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SmarterEveryDay : If you'd like to help, it would be great to get some captions for this video in your native language. At this point, there's no English. Help would be appreciated! http://www.youtube.com/timedtext_video?ref=share&v=EVbdbVhzcM4

Practical Engineering : This is so awesome. Congratulations on getting it to work. What a video!

How Ridiculous : Great vid Destin. Appreciate and agree with what you said about persistence, it’s certainly a big reason why we are still going and our channel is growing. Also, our stuff has been GIF’d til the cows come home as well, often without even credit. Ah the wonders of the internet 👍

electronicsNmore : Now that was cool! :-)

Damien Fate : Amazing

AntonioKowatsch : I'm not crying... ... I have allergies.

LeiosOS : Man. I am basically researching this in superfluids (numerically). It's super cool (both literally and physically). Let me know if you want to make a video on something like that. I would love to work with you on it!

A Commenter : If anyone’s wondering why there are rings 90 degrees to the big ring, then I’ll tell it to you. This mimics a magnet’s geometry, which is an hourglass - dielectric acceleration, and torus/donut - magnetic repulsion. In the middle of the hourglass is the plain of interia, a spinning ring/disk. I know how the small rings form, expect it’s hard explaining it in the physics I know. If you watch Ken Wheeler’s lecture you will understand what I am talking about, and all unexplainable phenomena will become explainable. https://m.youtube.com/watch?v=q5w9xvjHA8I

IcantSignIn : Always try to finish what you

RHAddict : Did you contact the original scientist who did the experiment? They may already have the answer.

Patrick Goldberg : Now because of that, could the secondary ring be like our universe? So two multiverse colliding creating secondary rings which are now universe.

M Montgomery : Aperture Science: We do what we must because we can.

_T0NY_ : 04:42 - Слава Украине!

Human sock : its prounounced Gifs not Jifs

DelikGD : Казалось бы...

Jai The Guy : Wtf is a vortex ring

Crucial Muzic : This was seriously one of the most interesting things I've watched. Love your videos, thanks for this

lameboy cam : Inspiring

نُونْ القصيد : I like this video 👍

pasta : If you know how to think about the problem this is easily explained when bringing in another dimension; however, we are stuck thinking in 3D so it's not something that comes to mind easily.

Uthael Killeanea : When you start finding exploits, bugs and loopholes in real world phsics, you become a true scientist. SmarterEveryDay shall be recorded here on youtube and will be a part of some future history lessons in which youngsters learn about the basics of space-time bending for our bubble warp drives. You see, a ship can only be launched into warp state when a secondary ring occurs. And this is why we don't launch only one at a time. It's a huge waste of energy.

IncredibleScience : One of the most beautiful vids I've ever watched on YouTube

Googolparsec : I'm guessing that the reason you get the rings than turn 90 degrees is purely due to the opposing forces are close enough to being equal, one is not overpowering the other. Therefore at the end of the outer ring separation, the fluid combines into a vortex. It's sort of like two opposing weather fronts of close to enough equal forces combine to make a vortex.

CrazyCressy7 : Could you try this in a more dence liquid so it also slows the motion down ?

Legit Puzzles : What if two secondary’s collide?

SilvaDreams : Wait you say it is a mystery but you just explained why it was happening.... It's a low pressure zone so the denser area is drawn in to equalize the pressure causing a new motion which causes the rings to form at a 90* angle to the original motion....

Bobby Duke Arts : Dude, that was incredibly beautiful

RHAddict : Can we please try this in space?

Storm Fan : This is just beautiful

Hoffy C.H : Blue and Yellow + Sweden = #SD2018

jajesam sigurno : LOL...for starting google-ing to learn something

Rare Earth : I love how your mind works. You are the best thing on YouTube by leagues. Your patience is genuinely inspirational.

SuperSaiyaman3 : 2:21 lmao if only we could go back in time and tell that guy his camera is a potato he probably wouldn't understand but xD

MIH1230 : Nice message of persistence, really thanks!

Ad SJB : *What they look like to me, a person who has never heard of a vortex ring.* - Very tiny portals from Portal. - Two coloured ovals of liquid nitrogen. - Coloured vape.

Electric Crystals : 😢

SmarterEveryDay : We used a computer controlled cylinder to pump fluid behind a rubber membrane to fire toroidal vortices out of the vortex cannons. We fixed one of the vortex cannon in a stationary position, and used a multi-axis microscope stage to align a second cannon to it… which sounds incredibly easy, until you realize that DYE density was an experiment all on its own. If the density of the dye mix was lighter than water, the vortex would go up. If the dye was more dense than water the vortex would fall. We had to overcome SO MANY VARIABLES and we basically spent about 4 hours figuring each variable. Water/dye temperature differential Water turbulence Water turbidity (cloudiness or haziness of a fluid) How to reset the aquarium Cannon Spacing Cannon Nozzle Cannon Shape Dye homogeneity in the vortex itself The piston displacement volume The piston stroke speed Rubber diaphragm tension, would make one side fire faster than the other. Water or air to drive diaphram? Firing speed (too slow and they drift, too fast and turbulence tears apart secondaries) We did a complete redesign of the cannon 3 different times. The Dye loading method was changed several times At times We tried to maintain negative pressure on the cannon chamber… we also tried to put shutters on the front of the muzzle. Ultimately I decided it was ok to live with dye dripping out of the front. We had to premix the dyes and eventually we got there. It got to the point where we didn’t even really know what success looked like and always thought we were there.

irvin clemente : eyegasm

UnchartedSky : Thanks for the new vape trick tutorial 👊💨

cjsturgis100 : @SmarterEveryDay I think I understand how the secondary vortices are created. My theory🤔 -as the high pressure nodes collide with one another, they should cancel out. But the outward momentum redirects the collision outwards leadin it to act similarly to a mushroom cloud. Please reply. I’m love your videos and would really want to do an experiment with you. Physics is AWSOME🤩🤪🤩🤪🤩😜

Kyle B : Well done! What a great video. I enjoy all of your stuff but this is my favorite so far. Good job guys. Keep it up.

Space Course : This is incredible Destin. Not giving up really paid off to be something beautiful.

Raj singh : Motivational 👌

Bernardo Carneiro : Isn't so mad. I admire your dedication, my pal

A G : You Dit IT!!!!! Grats!!!

Z D : ok great now can we get back to politics ?!

John Wayne Lee : This is how Apple makes their wallpapers.

Michael Robins : What a hypocrite, wasting hundreds of liters of water to fill that tank, just to satisfy his ego

LeVi - UK mouse : I subscribed...

Alex H : I think it creates the rings like a nuke. When a nuke goes off it pushes so much force upwards that it creates a ring. So when the rings collide it pushes force all the way around and creates a bunch of tiny rings.