# 200,000 Trees Are Burning! (Simulation)

## Метаданные

- **Канал:** Two Minute Papers
- **YouTube:** https://www.youtube.com/watch?v=ANFKHtqBqjQ
- **Дата:** 30.11.2024
- **Длительность:** 5:17
- **Просмотры:** 34,845
- **Источник:** https://ekstraktznaniy.ru/video/17227

## Описание

❤️ Check out Lambda here and sign up for their GPU Cloud: https://lambdalabs.com/papers

📝 The paper "Scintilla: Simulating Combustible Vegetation for Wildfires" is available here:
https://storage.googleapis.com/pirk.io/projects/scintilla/index.html

📝 My paper on simulations that look almost like reality is available for free here:
https://rdcu.be/cWPfD 

Or this is the orig. Nature Physics link with clickable citations:
https://www.nature.com/articles/s41567-022-01788-5

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My research: https://cg.tuwien.ac.at/~

## Транскрипт

### Segment 1 (00:00 - 05:00) []

We have an incredible paper today,  I mean look at this. This paper is   fire. Scientists were able to build a super  detailed computer simulation of wildfires.   So what can it do? Well, it can show us  what a fire in a savannah looks like.    And I wonder how is it different  from a tropical rainforest? And   how does the moisture content of the  grass change the fires? And, oh yes,   we will also see my favorite - how close a  simulation can get to reality and so much more. Dear Fellow Scholars, this is Two Minute  Papers with Dr. Károly Zsolnai-Fehér. So there is a huge problem with these  wildfires. What is the problem? Well,   the problem is that in many cases,  these fires can not be contained,   because everything that you  see here is fuel. Grass, wood,   decomposing organic material. Everything. These  fires are uncontrolled and often unpredictable.    Very destructive too. One bushfire season in  Australia has caused one billion animals to   perish. That is terrible. But this paper finally  gives us a way to do something about it. Maybe. Get this, it can simulate the more  fortunate cases where we can avoid   the chaos, specifically when the fire  is confined to the forest floor only. But now, things get worse. A lot worse. And  that is when a fiery inferno can break out.    They call this a crown fire, and this is when  the trees also start to burn. In the worst case,   the whole biomass burns down. It also takes  into consideration the kinds of trees there   are in the forest, and how dry they are, which  is incredible. But it gets a ton more detailed   from here. It also takes into consideration if  the biomass in the forest has unequal height,   which is often the case for an uncultivated  forest. But, it also shows good news and the   virtues of vegetation management, and how  it can potentially prevent a crown fire. Now after seeing all this, you wise  Fellow Scholars already know that if   we see a savannah like this, a wildfire here  is going to behave really differently. The   grass catches fire immediately, then goes  the shrubs. Not a lot of vapor here. Now,   look, if the same happens in  a tropical rainforest, look at   that! They even simulated the vapor. This will  help the taller trees avoid the fire. I had to   hold on to my papers not to fall off my chair  when seeing this kind of quality. Incredible. But it gets even better. It also takes  into consideration the moisture content   of the grass and reacts accordingly. And now  comes the worst part. Embers. Oh yes. Embers   can be carried away by the wind at speeds  faster than a car on the highway. And they   ignite new fires wherever they land, making the  wildfire even more chaotic and unpredictable. So here is our big question: these fires  are uncontrolled and often unpredictable.    So can this paper predict the unpredictable? Now hold on to your papers Fellow Scholars,   because here is a real burn experiment, and now,   look. The simulation. Oh my goodness. That  is an incredibly close match. And that is   going to be a huge game changer. Why? Because  it might help us predict potential wildfire   situations in real areas. Just use them as an  input, and see what would happen in reality. And while we look at the unfortunate demise of  this beautiful forest, we can learn a ton from not   just the footage, but they even published how  they have done it in a research paper. And they   give it all away to all of us for free. That  is the power of research. Thank you so much! It is a beautifully written  computer graphics paper,   you simply got to have a look. It is  next level. No AI is being used here,   only pure human ingenuity. And beauty  like you’ve never seen in a paper before.    And it also has more details than I just said.   Win-win. Check it out in the video description. With this, we can explore these situations safely  in a computer simulation where no one gets hurt   and we get to learn what we can do to minimize  the damage. Absolutely incredible. What a time   to be alive! So, what do you think? What would  you Fellow Scholars use this for? Let me know   in the comments below and subscribe and hit  the bell, because we talk about works that   nobody is talking about, and let’s be honest,  we all need more amazing papers in our lives.