The video is a demonstration of a fire tornado, a rare natural phenomenon that occurs under specific conditions of temperature and air current behavior. The fire tornado is created by simulating the rotation of air masses, which is the mechanism that causes tornadoes. The experiment is conducted in a controlled laboratory setting to ensure safety.
The fire tornado was created by lighting a fire in a pot and turning a turntable to simulate the rotation of air currents. The fire spread and rose, forming a whirlwind. The experiment was repeated with the addition of a steel screen, which limited the rotation of the air and created a more pronounced tornado effect.
The video also mentions a film that shows a cow and a truck being taken by a tornado, and a meteorological phenomenon called a waterspout, which consists of a column of water that resembles an elephant's trunk and rotates quickly around itself. The waterspout produces a violent whirlpool that sucks water up to the top of the cloud and then discharges itself in a strong downpour.
The video ends with a song and a message to viewers to like the video, subscribe to the channel, and to be careful if they attempt to replicate the experiment at home.
1. The speaker is a professor who uses a lab coat and interacts with scientists. [Document 1]
2. The new system they are discussing is called "mola" and involves a phenomenon called "minhocão mola". [Document 1]
3. The speaker asks about fear of tornadoes and discusses the formation of tornadoes. [Document 1]
4. The speaker explains that fire tornadoes are a rare natural phenomenon that occur under specific conditions of temperature and air current behavior. [Document 1]
5. These tornadoes typically occur from forest fires where ascending and converging currents of hot air act. [Document 1]
6. The action of these tornadoes can last from a few seconds to around 20 minutes. [Document 1]
7. The speaker mentions they are going to create a fire tornado in their laboratory. [Document 1]
8. They explain that tornadoes occur when a mass of hot air meets a mass of cold air, and that the hot air tends to descend while the cold air tends to rise. [Document 1]
9. The speaker explains that what actually causes the tornado to happen is a wind that rotates the air in these masses. [Document 1]
10. The speaker mentions a film that shows a cow and a truck being taken by a tornado. [Document 1]
11. The speaker discusses a meteorological phenomenon called a waterspout, which consists of the formation of a column of water. [Document 1]
12. The speaker explains that they are going to create a fire tornado simulation in their laboratory. [Document 1]
13. The speaker mentions they need to add a component to their setup to simulate the tornado. [Document 1]
14. The speaker explains that they are going to light a component to simulate the tornado. [Document 1]
15. The speaker discusses the results of their tornado simulation. [Document 1]
16. The speaker explains that they added a steel screen to their setup to simulate the rotation of the air that makes the tornado happen. [Document 1]
17. The speaker discusses the results of their tornado simulation with the steel screen. [Document 1]
18. The speaker mentions that if someone shouts "fire", they need to put out the fire. [Document 1]
19. The speaker explains that their experiment was a simulation, not a real fire. [Document 1]