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What is it that makes light the sound barrier of the universe and why is it that if you go faster than light you travel backwards in time?
Wiki User
∙ 15y ago
We don't know why it is that light is a constant and everything else is relative. Our understanding does not reach there. And we can't go faster than light because of the "conversion" of the energy of acceleration. It acts in a way that requires continually more energy be applied in an attempt to push an object closer to the speed of light. The more energy we apply, the more "resistance" to acceleration we'll encounter. And we cannot ever push the object to the light speed threshold. It is a real "barrier" in that sense.
As regards time moving backwards, that is a speculative concept. If time slows down for an accelerated frame (for someone moving really, really fast), it might "stop" and "move backward" as the frame moves to and through c's barrier. (The speed of light is often seen designated by c.) It might be possible to move back in time, but we don't know if this is possible. We have no physical way to test it now, and one is not on the horizon. However Einstein said that it takes an infinite amount of energy to achieve light speed and there is no such thing, see theory of relativity for more info
Wiki User
∙ 15y ago
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What travel fast light or sound in the universe?
light travels faster.
How fast does your universe travel through space?
Faster than yours.
Why does light travel faster through empty space than matter?
It doesn't travel faster through a vacuum. In our Universe there is no such thing as empty space.
What is the fastest thing that can travel?
The answer to "What is the fastest thing that can travel?" is light. Light can travel faster than any other thing in the universe!
When did Albert Einstein discover the theory of relativity?
Einstein's theory of special relativity, proposed in 1905, states that nothing in the universe can travel faster than the speed of light in a vacuum. !!!!! But researchers at the CERN lab near Geneva claim they have recorded neutrinos, a type of tiny particle, traveling faster than the barrier of 186,282 miles (299,792 kilometers) per second.!!!!! << major breakthrough.. Because we have based almost everything on his relativity E=MC^2
What do you break when you travel faster than the speed of sound?
The sound barrier
What travel fast light or sound in the universe?
light travels faster.
How fast does your universe travel through space?
Faster than yours.
Why does light travel faster through empty space than matter?
It doesn't travel faster through a vacuum. In our Universe there is no such thing as empty space.
What happens when things travel faster than sound?
They break the sound barrier and they will reach you before the sound does
Is there anything in the universe that can travel faster than the speed of light?
No, never! it is disproved by Einstein
Will the universe explode when a faster than light speed hyperdrive is invented?
There is no evidence whatsoever that something like that will happen. What is it about the operation of any hyperdrive that would cause the universe to explode? Certainly there are different ideas floating around as the whether on not faster than light travel is possible, but none of them suggest that if it is possible, that the destruction of the universe will result if the technology is mastered.As to the idea that nothing can travel faster than the speed of light, there are (may be) "shortcuts" in spacetime which, when used, can make it appear that something has travelled faster than the speed of light. There is more to this, but it is carried under the heading of faster-than-light travel and not the "exploding universe" asked about here.One little problem with travelling faster than light is that no matter how it is achieved it is then, in principle, possible to travel backwards in time - which leads to difficult problems if you decide to change your own past. It would seem fairly obvious that you won't be able to, in fact you arrival in the past has already happened. However it is much, much harder to guess what actually stops you changing things. So if supraluminal travel is invented there will be contradictions in the universe. Whether the universe can be self-contradictory is another matter, but if, as we all assume, it can't, then presumablyfaster-than-light travel will only be possible in limited circumstances.
What is the fastest thing that can travel?
The answer to "What is the fastest thing that can travel?" is light. Light can travel faster than any other thing in the universe!
Are there any guns that can break the sound barrier?
Most modern guns DO fire bullets that break the sound barrier. That is, their bullets travel faster than the speed of sound when they are fired.
If time travel was possible could you in the distant future move several light years in a space by traveling close to the speed of light and than traveling backwards through time at regular intervals?
Indeed, time travel, and travelling faster than the speed of light, are intimately related in the Special Theory of Relativity. Looking at the situation from the other side, if it were possible to travel faster than light, then from some point of view, you would be travelling backwards in time. For more details, read about the definition of "simultaneity" in the Special Theory of Relativity.Probably none of the two is possible - travelling backwards in time, and travelling faster than light.Indeed, time travel, and travelling faster than the speed of light, are intimately related in the Special Theory of Relativity. Looking at the situation from the other side, if it were possible to travel faster than light, then from some point of view, you would be travelling backwards in time. For more details, read about the definition of "simultaneity" in the Special Theory of Relativity.Probably none of the two is possible - travelling backwards in time, and travelling faster than light.Indeed, time travel, and travelling faster than the speed of light, are intimately related in the Special Theory of Relativity. Looking at the situation from the other side, if it were possible to travel faster than light, then from some point of view, you would be travelling backwards in time. For more details, read about the definition of "simultaneity" in the Special Theory of Relativity.Probably none of the two is possible - travelling backwards in time, and travelling faster than light.Indeed, time travel, and travelling faster than the speed of light, are intimately related in the Special Theory of Relativity. Looking at the situation from the other side, if it were possible to travel faster than light, then from some point of view, you would be travelling backwards in time. For more details, read about the definition of "simultaneity" in the Special Theory of Relativity.Probably none of the two is possible - travelling backwards in time, and travelling faster than light.
Do astronaut travel at the speed of lite?
yes they travel faster No.. No they don't. Not even close. I've heard two theories regarding things that are faster than light. Which are the expansion of the universe and a Polarization Synchrotron device that makes radio waves travel faster than the speed of light. http://www.universetoday.com/2009/06/30/device-makes-radio-waves-travel-faster-than-light/
Is it possible for humans to travel faster then the speed of sound?
Man can travel, and has travelled, faster than the speed of sound. The speed of sound is also known as the sound barrier, and when an aircraft "breaks" it you won't hear it until it has passed by you. " It was in the X-15 that Chuck Yeager was credited with being the first man to break the sound barrier in level flight on 14 October 1947" (Wikipedia).
