We are assuming that time travel would mean a "physical" transition from time A to time B.
If time travel was to become possible, however IMHO, it would only be possible in the "unseen observer" capacity. There could and would be no interaction, as you would be "out of phase" in that time. You would have no more consistency than a ghost, you may appear as an apparition but nothing more.
Abandon the search for Truth; settle for a good fantasy.
Or where you pour. Outside on Venus will be difficult. On Uranus will be, er, very hard.Originally Posted by ponder
Depends on how slow you pour the water, if you pour it slower than than the time it takes for 500ml to evaporate then you should be fine
It was the chairman of the Royal Society, in 1876. He was a scientist, who, in his time was thought to utter profound truths. No-one in that era would have dared contradict him. The 1870's is several lifetimes removed from today.Whoever made this comment didnt really think about it, i wonder how he thought birds flew? Unless birds were thought to be lighter than air.
What if you can only go back to the point of your conception and the energy of your travelling self becomes fused with the developing fetus.
You grow up being able to see your own future up to the point where you went back in time.
There are only 10 types of people in the world: those who understand binary, and those who don't.
1. Not really. You imagine a scenario where you pop away and pop into another time and place. It may be that you require a time machine to do the reconstruction or open a portal or something so that you can only travel to a time and place where it exists.
2. Similarly how would a person traveling back remember their own future and not the altered one. There may be a way of storing information about past events in some quantum state so changes are detectable. Also refer back to #1 if you can't pop out just anywhere in space a time travel event would be detectable. Besides just like nuclear weapons the technology is likely to not be widely available so again if #1 is the case the traveler would have to escape from a tightly secured facility too.
3. Sure but we don't know exactly what makes reality. Not magic but it's possible for a traveler to be out of phase with ours so that they are not observable.
This is most probably the reason it may not be possible. I doubt we can claim it's impossible though as we actually have no idea of the nature of matter. You adopt the idea that matter really undergoes change. The multiverse suggests everything already exists so you would only shift to another dimension. In the quantum state universe everything is undefined and definitive states are an illusion so you would only change consciousness.
The biggest problem I believe is actually our consciousness. How do we know we're still going to continue to experience being ourselves? It may be like transferring memory to another person. They can remember being us and claim to be us but we will not be the ones experiencing it so it will be like dying. This will also be a problem for transporters.
Okay which one of you guys is gonna kill me in the future?
I've made a huge mistake.
None of us if Captain John Anderton has anything to do with it.
Don't you thank that is a bit silly ?
We all know that they will be using DeLorians.
Really?
Don't you mean the past?
Theoretically, time is the 4th dimension.
If this is true, then travelling in time would require us to enter that dimension and move in it.
I say this because we are currently able to move in 3 dimensions. Taking "Forward and backward" as an example, that enables us to travel in the first dimension. Now we add a steering mechanism and we are able to travel in the second dimension (Left and right).
Finally the Wright Brothers come along and give us a machine which lets us travel in the third dimension (up and down).
Let's say that we live in a one dimensional universe, where the only dimension is forward-backward. Someone crossing this universe in a left-right motion will be seen by the us as doing the impossible, appearing and disappearing as they pass through.
It logically follows that in order to travel in time, we first need to enter that dimension. We only experience time in the dimensions in which we exist, so our perception of time is extremely limited.
I'd say time travel is not possible because we do not have access to it's particular dimension, but rather only a component of it.
Incorrect. Time is not theoretically the fourth dimension, it is the 4th dimension. Proven einstein's theory of space-time. Later verified practically by quantum theory and an atomic clock (though there are no absolute truths in physics).
You can see into the future and past by simple motion. You see when you are standing still you not really stationary you have velocity. Your full velocity is through time itself. Just like if you move north then travel north-west your velocity is divided in a westerly and nothern direction. Same thing happens with time, when you move through space, time slows down because your velocity is shared now between time and space. This was proven using an atomic clock, 2 clocks perfectly in sync one went for a plane ride the other sat still. The clock on the plane had a time that was slower than the stationary one, thus it proved in motion its time slowed down. This fact hold true with satelites in orbit, if you look at the development of the GPS the evidence is there, clocks on earth do not flow through time at the same speed as clocks in space.
Time can be stopped, which would give the illusion of traveling forward in time. Since time is inversly proportional to space your time will stop when you travel the maxium speed allowed in space i.e speed light. So if I were to travel one year at speed of light approximately 50 years will pass for those on earth (extrapolate the results of atomic clock and gps satelite). Another thing that interferes with time, is gravity. Since space and time are single fabric if you call it that, gravity will warp that fabric. In the extremes time will stop, if you where to orbit a singularity.
Now the mathematics and experiments PROVE that one can move forwards in time, but the mathematics allow the reverse, to travel back in time. This however has not been validated practically, but the mathematics provides the existance of wormholes (google it) which theoretically permit travel into the past. Therefore is time travel (for the future) possible? definately... though we will never achieve it. Since its improbable to power a craft of any kind to the speed of light, the second alternative is to ride gravitational energy. unfortunately, human beings wont live long enough to get to the closest source strong enough to do this, the galatic core (super massive blackhole). Even by some miracle you can get there, the radiation will kill you or the gravity influence will be so strong it will pull your blood to one side and you will die (just like if you stood on something the size of the sun you will die instantly). So thought its possible, it wont happen. Einstein said the future is merely an illusion, the past present and future exist simultaneously.
Personally, time travel will never happen. We cant create anything to move fast enough to go to the future, and traveling backwards is impossible why? cause I have not met a tourist from the future yet, and if what the mathematics say is true (i.e past present future exist at the same time) then that would mean no one has invented a means to travel BACK in time in the entire future per say.lol
Lol. Seriously, rolling in the aisles.
Recently, i am reading a novel about time travelling,I love the novel's plot and characters, as if myself were in ancient times. Some people say"sometimes, would rather live in the ancient than modern", according to me, this is negative attitude,and i will ignore.
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