Time is an enigma
More than two thousand years ago, Aristotle, one of the greatest thinkers of time, rightly maintained that "time is one of the most unknown things of all things we do not know." Unfortunately, not many have changed since then.
relativity
The theory of relativity belongs to physicist Albert Einstein. At first there were two theories: The Special Theory of Relativity appeared in 1905 and states that the velocity of "flow" of time is not the same throughout the Universe - it depends on the observer (ie, it is relative). Some people perceive "flowing" time differently than other people. For example, as we get older, we process less information per second about the environment, which is why we perceive the passing of time as faster.
But Einstein's theory goes even further. Relativity of time is not caused by our age, it is caused by the speed of space movement. The faster we go through space, the slower we travel through time. The theory of relativity requires us to see space and time, not as separate entities, but in the form of a space-time concept. Time becomes the 4 dimension that adds to the other 3 dimensions of the space we are used to (height, width and length). This representation of time is crucial to understanding the other theories about the nature of time,
Relativity has been demonstrated. There were atomic clocks on planes flying at high speeds. At the end of the flight, the atomic clocks were compared to those on the ground. There were small differences that were precisely predicted by the mathematical equations of relativity.
The general theory of relativity was published in 1916 and goes even further. Einstein argues that the mass curves the space-time fabric to create the illusion of gravity. Again, an analogy with a minimum number of sizes is ideal. Imagine a bowling ball is placed on a rubber foil. Balls curve the rubber foil. Any object that moves by approaching the curve will begin to move around the curve (motion similar to the spiral from a leak). Einstein's idea of gravity is so simple. And it was proved. Einstein made predictions about how light will follow curved trajectories around large masses, and this effect was measured during a sunshine.
If time is just a dimension similar to others, why do we perceive it so differently? This is the question that concerns James Hartle of the University of California, Santa Barbara, along with physicists Stephen Hawking, Muray Gell-Mann and Steven Weinberg. They think the passage of time is just an illusion.
Hartle believes that unidirectional time is the product of the way we process information. Gell-Mann called the "information gathering and use systems" of all beings who process time in this way. People are part of SCUI. Due to the two-dimensional retina, we can not process multiple cuboid sections - timeframes - simultaneously. We collect information about this "framework" - our environment - using our senses, then store this information in a "Entry Register". It does not have unlimited storage capacity, so we have to transfer the information to our memory, otherwise we can not process the information of the next "frame". People have a short-term memory and a long-lasting memory, as well as the permanent information in the cerebellum (for example, to learn).
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