This is a very beautiful documentary. It tells the romance of the universe in the form of popular science and shows the omnipresence of cosmic miracles. In fact, science is not that complicated. This is a very famous BBC documentary. of students increased significantly. The most notable feature of this series is that it has a very handsome speaker, Brain empty. No wonder sometimes I feel like my mind is empty. (crossed out) Episode 4 is about light, the messenger of time and space. In fact, I have always had various imaginations about light, and after thinking about it a lot, there is a question that makes me deeply Confused. I dare not imagine what the real world looks like. After all, the world we see is actually just a small portion of visible light among the many electromagnetic waves emitted or reflected by various objects that act on the visual organs, and then These information are only visual images produced by the visual nervous system. The real world is more "bright and colorful". Various electromagnetic waves oscillate and propagate in space. They record information and carry the history of the universe. It is said that Pippi shrimp's magical visual system can distinguish 16 colors, and even the light of the ultraviolet spectrum can be seen. "Everywhere the eyes go, there are fireworks" This sentence is used to describe the vision of Pippi shrimp. Don't underestimate these 16 colors, because humans can only perceive 3 colors (red, green, blue), can you not feel this difference without comparison? And dogs only have 2 kinds (red, blue), so small The world in the eyes of dogs is very dim, and a bright green lawn looks like gray snow to them. Therefore, the world in the eyes of Pippi shrimp is very beautiful, but it still has to be perceived by only three colors. We eat. Run away and come back to the documentary. Understanding the grandeur of the universe is not to say how small people are in front of the universe, on the contrary, a deeper understanding of the universe will allow us to understand how much our life is Precious, how great is the existence of human beings. You will understand how much effort the universe has spent to maintain the existence of life. Sometimes you will ask yourself, why do you think about these insignificant things every day? This is not Is it about the same as daydreaming? I don't think it's actually a cosmic dream to take a short break from the life at hand. It's just that when you think about these grand things, it feels like you can melt everything in this world. Trivial. After all, the structure of the universe is much simpler than that of human society. I will understand that the momentary gains and losses of life do not have to be taken into account, because within the time and space of the universe, the entire human history is just a moment, our one failure or success So what is it? So don't be discouraged if you fail, and don't be proud if you succeed. Knowing more about such "unlimited" things is not about escaping reality, but about recognizing reality. It is about recognizing all the names, Profits are meaningless, and there is a motivation to pursue some better things. It is to recognize the intrigue and intrigue in the society. Jiao, how hard it is for you to fight for me, so I have a pure heart to work hard to do something. It is to recognize that the universe is vast, the galaxy is hot, and it is dark, so that you can see the stars more clearly, and you have the ability to go through the lows, darkness and confusion in life. Well, I ran away again, so be it.
(This article was first published on WeChat public account: Shan Bing Tong Yu)
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