The secret room is a very common example in discussing latitude, so I will talk about it again. An uncapped cylinder can trap a two-dimensional creature, because he has no concept of height and can only move on a plane. To trap a three-dimensional creature requires a sealed chamber. This is how we have dealt with criminals for a long time. To make a trapped two-dimensional creature, you only need to pull it out of the plane, raise it to a certain height, go around the cylinder, and then put it back; to make a trapped three creatures, you need to bring him into the fourth. A latitude-might as well use time, that is, to get the trapped person out of the secret room before he enters the secret room. When building the secret room, the designer can plan its length, width and height arbitrarily, while the four-dimensional designer can add time in addition to the length, width and height, and he can control the secret room at any time. Just like a movie film, a large roll of twenty-four frames per second is spread out in front of you. In order, in the first few grids you are outside the secret room, and in the back of the film you are locked in; at this time, as a four-dimensional creature I can cut the front lens to the back, and when the movie is played, you will come out of the secret room. (Or don't edit it, just put it upside down.)
Three-dimensional creatures have a stubborn concept of time, and there will be ten points after nine o'clock. The sense of succession or causality is measured by time. Time is a man-made physical quantity. It is an imperfect concept like the decimal system. Therefore, many paradoxes can be generated based on this, such as Zeno’s clever tricks, and like the Pi rate, it collapses the more true lovers. If from now on, all the processes in the universe are doubled (like using a variable speed gear in a computer game), you can’t feel it, because there is no reference; if from now on, time falls into an infinite loop, staying in a certain day and cannot pass, based on You still can't feel it for the same reason-if only you can feel it, congratulations, you have entered a four-dimensional world where the time can be set arbitrarily.
Phil, the protagonist of "Groundhog Day", was fortunate enough to experience the miracle of losing time. He wakes up on February 2nd at 6 o'clock every morning. Everyone thinks that this is the only February 2nd of this year, and only Phil felt stuck, which means that he retains the memory of each loop-every time the program is executed from the beginning, he forgot to clear a tiny independent variable. . Unthinkable things followed one after another. The purpose of the screenwriter is to use time as a prop to explain how a person’s life can be better. What are we pursuing—an impetuous and unsatisfied desire is not the purpose. The purpose is to enjoy everything today, because today is every day. This film is also called "Stopping Love", a very popular name, but it is also appropriate. The screenwriter didn't want to explore time itself, but used this coat to wrap an inspirational romance film with the main theme. The actors and scripts are great, and more importantly, they are also very humorous. It is worth watching at least twice.
As the art of film, film can be edited to manipulate the time in the play. In this sense, the director is a four-dimensional creature.
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