Is a Realistic Honey Simulation Possible? 🍯

As soon as honey can be realistically animated, the Bee movie might get a remake

Not getting this video sponsored by Honey was a missed opportunity.

glad your videos started to go viral! you deserves those numbers. well done!

[ 2:04 ]
Honey dipper: * does nothing *
VFX artists: *YES, THERE WE GO* 🎉🎉

Not a scholar, i just like watching simulations. These rippling "tears" in fluid simulation like in the one with the martini glass have bothered me quite some time now, real fluid doesn't do that, it sticks together and sticks to surfaces, so it "rolls" down slanted surfaces that are even steeper than 90 degrees and creates funnels where the rest of the fluid prefers to go to.

Me: "I think I'll go to bed"
Also me: *ReALiStIC HoNeY SiMuLaTiOn*

The honey density highly depends of the temperature of the honey.

Has anyone tried to simulate cooking a pancake? Like, starting with pouring the batter, and simulating the whole process until the pancake is done?
Or any kind of baking, for that matter? If you can simulate baking a cake, then you can bake the bake.

"We're doing science here, we don't need to guess about what what seems to be right." Might just use that line one day

"Each time we go to the restaurant you are making an absolute mess!"
"I have to! For science!"

Engineer: "Let's invent a new technological device"
Doctor: "Let's invent a cure for cancer"
Mathematician: "Let's simulate honey better"

Minecraft just added honey and RTX... Coincidence?

At first I thought that the simulation was intending on simulating a moving dipper, as if someone were grabbing it and moving it, and so I really didn't see anything wrong with the first sims, but who-whee that was wrong!

Love your efforts to keep us informed on super interesting research topics in an very concise and well-articulated manner. Keep it up :)

I love it when a new simulation technique not only results in more realism, but also is easier to compute. Little things like this is how we keep pushing towards photorealism in computer graphics.

Could you show the equations they are supposed to simulate ? And which one they actually use

2:26 "The dipper still has some sublt movements both in reality" *shows simulation* " and in the simulation" *shows real life*

I love how this man really appreciates what’s going on in these simulations. And I feel like everyone else who is a pc gamer can also appreciate it just as much!

Two Minute Papers: "It's impossible to simulate Honey!"
The people who run our universe as a simulation: *Cackles* "Wrong"

I like how he actually matched the table cloth pattern lol starting from 3:05

Following up to 0:30 "Are we done with fluid simulation research?" - you can always add electrodynamics into your model if you feel like you achieved everything there is. And if magnetohydrodynamics ceases to be a challenge, add the words quantum or relativistic into the description of your model.

A couple years ago, we we’re amazed by cod’s “realistic fish simulation” and now we have this, by 2025 video games are going to look better than real life lol

Every year technology improves I’m more and more convinced that I’m living in a simulation

I can’t even begin to imagine how this is possible. I’m 56 years old, and am glad I live in a time where crazy things like this exist

You are motivating an entire generation to pursue machine learning. Thank you.

Don't you just love how we are using reality as a template to create the rest of the possible realities using our laws from our universe?. The metaverse is getting bigger and bigger each day for sure. Thanks for the video that blew me away. I was not aware you could get that type of response with fluids in sims yet.

Man, I am a Science teacher and I love the realism of these simulations

Thank you for taking the time to explain why the older methods are ineffective and what this new method does different.

Still amazes me how realistic fluid physics are now, just wow.

The initial simulated honey looks like the temperature is just warmer than other simulations or the “real life” used in the video...
🍯 🍯 🐝 🐝 🐝 💧 💻 🧮

Ah, once again I see that youtube recommended has united us for the great purpose of learning about honey simulations.

Just imagine that one day we might just be able to have real time fluid simulations like that in video games. Finally the coffee in a cup is not just a texture and same goes for the water and dirt in small puddles. Of course this will probably not happen in the near future but let's be hopeful

2:27 when your simulation is so good you confuse it for reality.

I enjoy watching your experiments. Please keep it up!

I love how the simulations look better than real life honey.

Imagine VR games with these insane graphics and mechanics

1:50 but doesnt it depend a lot on the type of honey. Every honey is different

So you’re telling me we have the technology to animate sticky,viscous liquids?
Nice

Is that real honey cup your footage? If so, thanks for the increased production level in this video.
Also: now I'm craving some honey.

First time watching one of these videos
Incredible work my friend
Very clearly explained

I expect lots of cg physics artists know how to achieve two-way coupling and local assessment, but I'm glad its been put in a paper at last.

Imagine this kind of detailed, real-time, fluid simulation in video games... Holy shit do I want that. Myself and others have at some point thought about how much games and the tech that goes into them could progress. But no, there's still so much that could be done in every regard. It's so exciting to see advancements, obviously not _just_ in video games, but everything else as well. Just thinking about how long it's going to take though... I still can't wait for the day that more advanced fluid dynamics could be displayed accurately across an entire game world in real-time and still run at a good frame-rate.

youtube recommendations: here's a detailed analysis on computer generated honey
me: sure why not

If I remember correctly we don't even have an exact equation to predict all four stages of honey drop, let alone simulate it

It's a non newtonian fluid. Based on the video my guess would be when the particle velocity is low the strong two-way coupling is correct. When particle velocity is high the weak will be correct. The transition between this is doubtfully linear, so much experimentation would need to be done to find what velocity corresponds to what viscosity.

I have learned a lot from your videos. They are great.

I am wondering though, why there is much less improvement in the field of engineering simulations, though. For example cfd simulations still are using the same types of models and solution techniques with hardly anything changing there.

I want to know what software they use for these simulations and these graphics... Maya or Houdini perhaps?

Imagine if they put this simulation programming in video games or in vr games, THAT would feel SUPER realistic, also imagine the hot anime games we could get from this, you know what I'm talking about heheh ;D

The simulation looks much more beautiful than the reality. How soon can we update the reality version?

I wonder if you could simulate the changing viscosity of glass as it cools when you take out of the furnace.

What about gravitation, coriolis, drag, entropy, surface tension and density, friction etc. Are these variables in these simulations considered, too?

Is air being treated as a fluid in these simulations as well? It seems in the last example, the yogurt, that it's behavior is that in a vacuum. Atmospheric pressure would contribute to pushing the yogurt against the martini glass, along with surface tension, which I assume WAS being simulated.

These simulations look incredible tbh...

Anyone remember when seeing Mario's nose stretch in real-time on the N64 was the most amazing thing ever?

Would have been more fascinating if the honey animation videos (real vs simulated) weren't only 3s long.

Gotta love it when they compare to real-world footage

This is so god damn satisfying and incredibly mindblowing to watch. Dude

The strong two-way coupling is missing the distortion of surface tension of the bottom rim of the glass seen behind the tool. it looks like it's frozen in place instead of being held there.

this made me thirsty

My biggest peeve is most fluids act like gelatin in most simulations. Imo I think frozen 2 did a good job at simulation water but they modified it a bit so it doesnt necessary act like a fluid, it just looks accurate

Nagyszerű! Így tovább!

Greeting! For scientific work, I would need a program that simulates a large Reynolds number flow. So far, I have tried a discretized solution of the Navier Stokes equation (I calculated the first and second-order partial derivatives from the Taylor series expansion), but after a while, I experienced strange behavior (oscillations in pressure appeared in some region). Can you suggest an algorithm that correctly simulates the flow by eliminating these? Thanks in advance for any help. Regards Attila.

First, the bees is breaking all laws of science because their wings are too small.
Now it's the honey that it's hard to simulate.

Awesome video on the topic as always!

it is absolutely amazing how we can go to the moon but we still cant 100% perfctly simullate honey

i think the main problem is just comparing the amount of balls in a simulation ( i call them physics balls) than the amount of atoms in (for example) honey in real life.

I find it reassuring that there are people out there working on this kind of stuff so I don't have to learn it, cause I couldn't if my life depended on it.

When a simulation has better graphics than real life

"are we done with fluid simulations?" that made me chuckle, we are not even close to accurately simulate complex turbulence phenomena, like vortex shedding

Imádom a videóid Károly! :D

Can someone explain to me what is the significance of all these simulations? I notice a rising trend of simulations on this channel (they're super dope btw) but I'd love to understand why are simulations so important in the progress of general computer science

ive developed an even more efficient method that enables the honey to support the dipper. It even scales linearily with rendering complexity.
i call it “screenshot”

I finally realized whats so weird with the real honey... the glass is the exact same as the one i own

I'm a 2D animator and all of these 3D theories and techniques scare the *HELL OUT OF ME.* But I still wanna learn it...

What I really dont like in cg honey is how it looks more like jelly, on honey. It is too chunky compared to real honey which is consistent.

maybe air bubbles inside the more viscous fluids could make some kind of a difference? idk I could be reaching here but it seems like with physics simulations any small difference can play a large role in the finished product.

@Two Minute Papers - are in general these kind of implementations easy to use with something like Blender? (assuming they publish code) or should I be (re)implementing the algorithm based on the paper(s) if I want to achieve that? what do you usually work with to be able to put these kinds of 3D algorithms to practice and render out production-ready results? or rather, what is usually the flow to put something like this to use?

Imagine if we have the computing power to simulate the real world from big bang to the first life on earth

Also the simulated honey was tearing, honey wraps and bonds.

Humans: We have supercomputers that can calculate formulas in seconds that would take humans thousands of years to solve.
Also Humans: THIS REALISTIC HONEY SIMULATION WILL TAKE -DAYS- TO COMPUTE!!

How do they program the particles to simulate textural properties of real life material. It looks like digital physics. A step closer to simulated reality.

Dude. I was already super interested watching this vid, but then you mentioned The Witness???? I was SO hyped.

If you ever need help with fluids simulation,just ask the vfx artists from "that" side of the overwatch community. Im telling you man,they do realistic as hell fluid simulation,its crazy!

“Fluid solid interaction still remains a challenge”
Is that why everything in fluid simulations looks like it’s frictionless?

really depends on the type of honey you are using

"Let's take a minute to talk about the sponsor of this video.. Honey is a free extension for your web browser that allows you to save money-"

Eventually, we'll be talking about which is the best way to simulate the entire Matrix and load everyone's mind into it.

I'm about to start a diploma course this year for animation and VFX so this is very interesting.

what was the temperature of the honey? great video

Me: Mom, can we get realistic two-way coupling?
Mom: We have liquid simulations at home.
Liquid simulations at home: 1:51

I thought this was going to be about creating honey from nectar somehow, instead of having to steal it from bees

It would depend on the temperature of the honey as well. Warm honey wouldn't support it as well

A question dear. The problem with rendering the eyes of 3D characters is that the material assigned is crystalline, something similar to glass, which gives them that implausible, unreal touch ... Do you think that if we use that honey simulation technique , could more truth and credibility be given to human eyes? Thanks friend for your time.

Well you can clearly see that the fluid thingy shown in the beginning does not move in realtime, based on how its about 20% slower.

The real honey you used for comparison looks old, while the honey in the simulation looks very fresh.
This changes how fluid the honey is, so I would say you should heat up the real sample you have in microwave and then make the comparison again for a more accurate result.

This problem reminds me of any kind of iteration and transformation (kinda like Fourier, Jacobian, and Gauss-Seidel shits). Idk, maybe it's obvious that a half-assed work can easily leave a lot of errors.

IMHO... Fluid Simulation is one of the most lacking areas of the AAA video games.... Hopefully that changes with this type of work.

i believe that the most difficult thing to simulate is water wetting the surface that it comes in contact with.

3:55 Where is this robot hand clip from? I'd like to learn more about it. It just looks really cool!