#172 Nếu Không Có Thứ Này, Những Con Tàu Vũ Trụ Sẽ Nổ Tung | Vũ Trụ #28

Hello! It's me, Vy Fax! Do you know what will happen if you fold a paper 103 times? Time is always wasted for a photon! Or what kind of gas do NASA's rocket launchers use to blow up the atmosphere? Welcome to Space 28, NASA-style silence! In the West, people have a myth that understands NOMNA according to the words of Vietnamese people. It is a myth, a rumor circulating in the world that you can't fold a paper more than 7 times. It sounds ridiculous, but if you think about it a little bit, you will see that it is quite useful. When you compare each time you fold, the thickness of the paper increases to double, and the force needed to fold the paper will also increase to quadruple. Also note that the folded paper is busted, NOMNA style is broken or broken by using a super huge piece of paper. Or a piece of paper that is big enough but very thin and very soft, like this English piece of paper. In fact, the Guinness World Records for the largest number of times folded paper According to Virginia Britney Gallivan, with a total of 12 folds, she used a piece of paper 1,200 meters long. Still related to folding paper, do you know that if there is a large enough piece of paper, and suppose you can fold it back as many times as you like, try to guess how many times you will need to fold to have a piece of paper with a thickness equivalent to the diameter of the universe? The answer is only 103 folds. So, according to the self-calculation of the person, if you have a piece of paper, suppose it is about 0.1 mm thick and large enough, with large enough here, understand that large enough to make a piece of paper round, large enough after N folds, and a large enough energy to fold the other piece of paper N times, we will have very interesting results as follows. After 10 folds, you will have a piece of paper with a thickness of about one hand. After 23 folds, the thickness increases by about 1 km. After 30 folds, the thickness of this piece of paper is enough to reach the boundary of the Earth and the universe at about 100 km. Continue to fold 12 more times, the thickness of the paper will be about 400,000 km from the Earth to the Moon. And if you want to shoot a 24-hour challenge video in the sky, our distance is about 150 million km, you just need to fold about 9 more times. I will be a little faster. After 83 folds, the paper will be about 102,223 light-years thick, equivalent to about 967.1 trillion km, that is, close to the diameter of the Milky Way, the Milky Way, about 105,700 light-years. After 93 folds, the paper, most likely the original toilet paper, will be about 104.7 trillion light-years thick, that is, equivalent to the diameter of the universe's fastest light source, up to 104.7 trillion years to move, about 990.3 billion km. To make it easier for you to imagine, this number is about the diameter of the Virgo, Virgo Supercluster, or Virgo Supercluster, according to Wikipedia, one of the about 10 million supercontinents that currently exist in the observable universe. And finally, in the 103rd fold, the thickness of the paper, relatively accurately, will be about 107.2 trillion light-years, that is, even larger than the diameter of the observable universe at present, only about 93 trillion light-years. You see, even a toilet paper, if imagined correctly, can also do great things. Even if it's a piece of paper, or a pair of pants, it's worth it. This example is very good. If you are a fan of the VFX universe series, you are certainly not surprised by these images. A toy ship is taking off, leaving behind white smoke, foggy clouds. And if you don't notice anything wrong with the above sentence, congratulations, you have been fooled. More precisely, you have been deluded for a long time by that white cloud of smoke. Actually, it's not smoke, it's water. So, we know that a sound source, if large enough, can break the glass, break the glass, or make one of the strongest superheroes in the Avengers team, Hulk. NASA's science is concerned that the sound waves come from the engines of the propellers, with increasing size and thrust, after the propellers will be lifted up, and at some point, it will be big enough to separate itself from them, what they carry, and even the waves around them. And that's when NASA's water-based supersonic system was born. Basically, this system works like this, exactly 6.6 seconds before the engine fire process begins, more than 1.1 million liters of water will be released from a 90-meter-high water tower down to special designed water pipes, which include 6 to 8 large water pipes, and dozens of smaller low-explosive pipes. At 9 seconds after the rocket landed, the water flow reached a maximum of 3.4 million liters per minute, or 56,667 liters per second. After 41 seconds, the process of releasing the water is over. Although it's simple in principle, NASA's water-based supersonic system is extremely effective when it not only reduces the intensity of sound, which is the sound of the rocket, reduces the destructive power of sound waves, cuts off all the fire that may occur during the launch process, but also creates a scene of smoke cloud, making rocket launches more Hollywood. We know that an alien race lives 65-66 million light-years away from us. If we divide the area of ​​the Earth and observe it, they will see a dinosaur. Simply because the light rays started from the Earth 65 million years ago, it is exactly 65 million light-years away from us. Just like the image of the sun you see every day, is the image of the sun in the past, 8 minutes and 20 seconds ago, during the time that light needs to go from the sun to the Earth. This means that in order to move large distances in space, photons will need hundreds, millions, even billions of silver coins, right? The answer, if you have been following VFX for a long time, is correct or not. It is true that for us, the sun will take 8 minutes and 20 seconds to go from the sun to the Earth, and the photons emitted from the Earth will be 15 million years. The time of millions of lifetimes to come to civilizations and distant planets is 65 million light-years away from us. But for photons, they don't feel that far. In fact, they have no concept of time. Why is that? First of all, according to Wikipedia, photons are a kind of basic particles, and if you are more advanced than that, then they are particles. Phenomena is the smallest particle of a physical object. Here is the light. Accordingly, photons are characterized by two properties, that is, they do not have a mass, or have an invariant mass of 0, and always move at the speed of light in space. Emphasize that it always moves at the speed of light in space. According to Einstein's relatively special law, velocity time dilation is the difference in the period of time recorded or measured by two observers depending on the relative velocity dilation that the two observers experience. More specifically, Einstein believes that a moving clock in space will run slower than a clock standing still at the position of the observer. Suppose in the Earth, the clock in space moves faster, that is, its relative velocity compared to the observer is greater, then it runs slower than the observer's clock. And when it comes to the speed of light, time will stop on the clock moving, and of course it still runs normally on the observer's clock. In short, the faster you move in space, the slower you move in time, and when you move in space with the speed of light, you will stand still in time. So it means that an object moving at a speed extremely, extremely, extremely close to the speed of light can move for billions of years before a second passes by itself. That also means that if photons have a clock, those clocks will never run because they have been moving for an infinite amount of time. Not to mention, because there is no concept of time, photons will not have time to do anything, including the clock I just mentioned above. At the same time, they will not be aware of their existence, they have no past, present, or future. The whole process lasts 8 minutes and 20 seconds, 65 million years, or even a billion years of a photon from the moment it is emitted, passed in space, until it is absorbed by your eyes. From the perspective of a speaking photon, it all happens at the same time and does not take any time. This accidentally makes any distance in the universe still equal to zero for a speaking photon. You have just watched the video about the NASA-style soundproofing of space-218 made by VFX. Please share your thoughts by commenting below. Which one impressed you the most? If you like this video, remember to like and share. Don't forget to subscribe and ring the bell so you don't miss any content from VFX. Goodbye and see you again!