23 things about time


1. Time is a fundamental concept of physics and philosophy; is traditionally seen as the unit of measurement of the distance between events; time is composed of past, present and future;

2. One second is defined as the duration of 9.192.631.770 periods of radiation corresponding to the transition between the two hyperfine levels of the fundamental state of the cesium atom 133 at rest at 0 K;

3. The theory of relativity suggests that time has not always existed; about 14 billion years ago, time and space did not exist, and all matter was compressed in a small sphere; the time does not exist without the movement of the cosmos;

4. The universe was formed by a quantum ray that lasted a tenth of a million x 1018 x 1018 x 1018 x 1018 of a second;

5. Einstein said that the speed of time is not the same throughout the Universe; he proposed that space and time are not two separate entities, but exist together in the form of space-time concept;

6. Time on Earth slows down due to the moon's attraction; in the time of the dinosaurs the day was only 23 hours, and over 150 million years will have 25 hours;

7. The gravitational field slows the passage of time, therefore, in space, time is leaking faster; this was demonstrated by placing atomic clocks on high-speed planes; at the end of the flight, the atomic clocks were compared to those on the ground and little differences were found;

8. Although the theory of relativity suggests that the universe will extend to infinity, some theoretician physicists estimate that time will "end" in the next 4 billion years;

9. Time is a different perception in the world because of the cultural background; for example, Americans tend to think in 5-minute increments, while East-Europeans step by 15 minutes;

10. Waiting time seems to run harder than the time we have an activity, which is why most lifts are equipped with mirrors to give us something to look at;

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11. Psychological time is not equal to physical time; it is said that time flies when you do what you like, but a recent study has revealed that people pay more attention to the things they like, so their perception is that time is slower;

12. Between 1929 and 1940, the Soviet Union experienced the introduction of the week by 5 days, then by 6 days; the experiment failed, and in 1940 it returned to the 7-day week;

13. According to quantum physics, the shortest period of time that can exist is 0.0000000000000000000000000000000000001 of a second; this unit is known as "Planck time";

14. The microsecond is a millionth of a second; nanosecond is a billionth of a second; picosecunda is one thousandth of a second; attosecunda is a billion

15. Galileo Galilei was the first scientist to show that time is a key element in the laws of motion;

16. The most powerful cosmic radiation passes through our galaxy in less than 15 minutes;

17. If a man were imprisoned in a vacuum box, he would die within 5 minutes due to lack of oxygen, but according to quantum physics, "the random movement of the molecules that make up us would cause over a number of years to write as a 1 millionth or one billionth of a billion zeros, to be rebuilt in the biomolecular state we had before death and to simply invade ";

18. At the beginning of this year, the most accurate atomic clock in the world was created; it has an error of one second at 14 billion years, that is, approximately the age of the Universe;

19. A man spends about 25 years of sleeping life;

20. From a biblical point of view, the Earth was created on a Sunday on October 22, 4004 BC; this date was calculated by Archbishop James Usher in the 17th century;

21. If the history of the Earth were compressed within 24 hours, people would appear 40 seconds before midnight;

22. Theoretically, time is the fourth dimension of space;

23. Augustine de Hipona: "If no one asks, I know what time is. But if I explain to the one who asks me, I do not know ";

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