The concept of time is a phenomenon that people have been thinking about since the existence of mankind, but they have not fully understood how it works. We can perceive the time, but we can not hold it by hand, we can not see it, we can not hear it, we can not prevent it from running away.
A genius appeared in the early 20th century. He asked himself a question that no one in the history of mankind had ever asked before.
How could I see the universe if I could ride on the light?
This question of Albert Einstein has opened doors to us that allow us to see the universe in ways we have never seen before. Einstein, by explaining his experiments of thought through mathematics, showed that time is actually the fourth dimension and that space and time are not absolute, unlike what was known before.
Time is Relative, Time Is Variable.
Depending on your speed, the time-perception changes. If you are accelerated, time will flow more slowly for you, compared to people who are slower than you. When you approach the speed of light, time is now at the stopping point.
Is The Speed Of Light Reachable?
It is theoretically impossible to reach the speed of light. Maybe 99.999999% of the light speed can be reached, but it is not possible to reach 100% light speed. Because, the photons that form only the light, which is massless and pure energy, can move at the speed of light. Technically, when you reach the speed of light, you lose mass and you become a photon
What Is The Correlation Between Light And Time?
The speed of light is the only physical greatness in the universe. The light is an electromagnetic wave with a more general definition. Photons, which are carrier particles of electromagnetic waves, move at the speed of light. This speed is about 300,000 km/sec in the space.
Thanks to Einstein, we know that what is called speed is relative. So if you are in a car traveling at 100 km / h, you will see the car with speed of 120 km / h coming from the opposite side at 100 + 120 = 220 km / h. A person standing on the ground can see that one vehicle is traveling at 100, the other at 120 km / h. Now, imagine that the headlight of the other vehicle is open. Now, there is also a headlamp light coming towards you with the car. The speed of this light should be 100 + 120 + light speed, right? The answer is no. Whether you or the car from the other side, at any speed, you perceive the speed of light as 300,000 km per second in any case.
"But this is contrary to mathematics!" You might say. Nothing in the Universe can be contrary to mathematics. The mathematical expression of speed is distance/time. In order to fix the speed of light by holding the distance constant, it is necessary to play with the time magnitude. This shows us that the time is relative and that the speed of light is a constant magnitude in the universe.
Why is Light Speed Constant?
We do not know the answer to that. What we know is that the photon that was created in the big bang started its journey in the universe at this speed, and it continues in this way. I used to watch quite a lot of science fiction movies. When I got to know science and I started to learn about the weirdness of the universe, then I realized that science itself and the universe are even strange than science fiction stories.
References
- Zaman Nedir? Zamanın Göreceliği ve Işık Üzerine
- What is the fundamental reason of the speed of light being constant in all frames of reference?
- Physics Explained: Here's Why The Speed of Light Is The Speed of Light
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Hello there gokhan83kurt, I appreciate the post but there is a problem with some of your statements, for example:
If you study this equation you will see that when you reach the speed of light you have infinite mass and infinite energy, you will not become a photon.
It's important that when writing science articles you give the correct information.
It's not an easy topic, It's okay, but as scientists, or science communicators we must ensure we are stating the correct facts.
Thanks :)
It’s a good point! Thank you for the correction. However I used that statement metaphorically. For whom are the science lovers but math haters. With these series which I named QUICK PHYSICS INFO, I aim to give small-packaged physics information without using that much mathematics. But you might be right. I again thank you for your warning I’ll change that statement ASAP.
But isn't even mass relative to the speed of the observer?
I mean, imagine that you were to take a weight of 1Kg with you to the surface of a magical Earth-clone planet capable of reaching 99.999999% the speed of light.
Once you reach that speed you measure the weight on your Earth-clone.
Wouldn't you measure 1Kg as well?
The observer on the original planet Earth, if they could, would measure your weight to measure a much higher mass.
Therefore the concept of mass itself is relative, isn't it?
It took one of the greatest minds in history to just about understand this subject, so I'm going to pretend I understand it fully, because it is brain distorting. Your point is fairly valid in the frame of reference of the clone earth, but it's impossible to every reach the speed of light because the object would have to gain an infinite amount of energy, it would have infinite mass from our Earth.
Maybe reaching travelling through space at super-luminous speeds is possible by distorting space-time itself, by compressing the space-time continuum in front of you and expanding it behind. Instead of moving through space, you move space around you. I wonder if controlling gravity could provide this mechanism.
It's a mental subject, and I must say not one of my favourites because it starts the make me crazy. haha.
No. Actually the explanation is very clear. We mostly know it. E=mc2.
C is constant. As you gain E nergy, you'll have to gain mass to sustain the equilibrium.
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And God said let there be light. BOOM!!!!
:)) God didn't say anything like that :))
Genesis 1:3