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How can I build a time machine that can take me into the past and future?

How can I build a time machine that can take me into the past and future? Topic: How to write a report fast
July 19, 2019 / By Jaynie
Question: I would like to get one built. Please don’t answer in anything that creates an effect into the spacetime, such as a way that would create a closed time-like curve. I would like a way that would take me anywhere in the past or future with no limitations of when I can travel to. An effect such as a Closed time-like curve would give me a limit for backwards time travel, and here’s why. If you make a CTC (closed time-like curve) in September and leave it open until February, you can travel back anywhere between February and September. However, you can’t travel to August because the CTC didn’t exist in August, and the CTC is the effect that enables you to time travel back. The only other way I know how to go back in time is by reversing the timeline by reversing the Universe’s Expansion. I don’t know how to do that, and you would reverse your aging process and everything that you do will also start to reverse. You would be driving backwards as well as the other cars, and you will also un-write your History report, and your vase you broke would reassemble itself. So, here are the main questions. First, how do you reverse the timeline and make time pass normally in the machine? Second, is there a way that I can time dilate without leaving Earth? Third, I heard that you could somehow link a wormhole to the past. Is there a way and how do I do that? Finally, is there a tunnel, wormhole, or place in the spacetime fabric that I could go to and travel anywhere forwards and backwards through time? If the answer to the previous question is yes, where is it, and how do I go there? Thanks everyone for all who have answered. I will also say that from now on, if you want to answer your question by saying that it's impossible or anything like that, please don't post that answer. A special thanks to Smile Alway's because she helped me figure out a way to time travel to the future. However, I would still like a way to time travel to the past with unlimited time travel. Another question that I have is can mouths of wormholes travel faster than the speed of light since they have no mass? Also, how do I build a wormhole? Any more help would be appreciated.
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Best Answers: How can I build a time machine that can take me into the past and future?

Fae Fae | 5 days ago
Here is the best way I can answer your question, using a hypothetical situation, or a story. You and a friend are somehow able to create a wormhole linking you (in your spaceship or car or what ever you wanna imagine) and your friend (in their house or such). Now lets say that you in your super new fast car can travel almost at the speed of light and do enough loops around the earth for 50 years for a few months of yours to pass (special relativity). At this point you have two choices. Your friend can go through your wormhole into the "future" 50 years. Your second choice is for you to go back into the "past" although that past is relative to where you are now which is the future. As far as unrestricted travel that is a lot more complex.
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Fae Originally Answered: Im trying to build a time machine?
I can't believe these people are making fun of your wish to time travel, dude. I completely support you as a long-time TT Veteran and would be delighted to provide a beginner some information. The following is the basics of time travel. Physicists have found the law of nature which prevents time travel paradoxes, and thereby permits time travel. It turns out to be the same law that makes sure light travels in straight lines, and which underpins the most straightforward version of quantum theory, developed half a century ago by Richard Feynman. Relativists have been trying to come to terms with time travel for the past seven years, since Kip Thorne and his colleagues at Caltech discovered -- much to their surprise -- that there is nothing in the laws of physics (specifically, the general theory of relativity) to forbid it. Among several different ways in which the laws allow a time machine to exist, the one that has been most intensively studied mathematically is the "wormhole". This is like a tunnel through space and time, connecting different regions of the Universe -- different spaces and different times. The two "mouths" of the wormhole could be next to each other in space, but separated in time, so that it could literally be used as a time tunnel. Building such a device would be very difficult -- it would involve manipulating black holes, each with many times the mass of our Sun. But they could conceivably occur naturally, either on this scale or on a microscopic scale. The worry for physicists is that this raises the possibility of paradoxes, familiar to science fiction fans. For example, a time traveller could go back in time and accidentally (or even deliberately) cause the death of her granny, so that neither the time traveller's mother nor herself was ever born. People are hard to describe mathematically, but the equivalent paradox in the relativists' calculations involves a billiard ball that goes in to one mouth of a wormhole, emerges in the past from the other mouth, and collides with its other self on the way in to the first mouth, so that it is knocked out of the way and never enters the time tunnel at all. But, of course, there are many possible "self consistent" journeys through the tunnel, in which the two versions of the billiard ball never disturb one another. If time travel really is possible -- and after seven years' intensive study all the evidence says that it is -- there must, it seems, be a law of nature to prevent such paradoxes arising, while permitting the self- consistent journeys through time. Igor Novikov, who holds joint posts at the P. N. Lebedev Institute, in Moscow, and at NORDITA (the Nordic Institute for Theoretical Physics), in Copenhagen, first pointed out the need for a "Principle of Self-consistency" of this kind in 1989 . Now, working with a large group of colleagues in Denmark, Canada, Russia and Switzerland, he has found the physical basis for this principle. It involves something known as the Principle of least action (or Principle of minimal action), and has been known, in one form or another, since the early seventeenth century. It describes the trajectories of things, such as the path of a light ray from A to B, or the flight of a ball tossed through an upper story window. And, it now seems, the trajectory of a billiard ball through a time tunnel. Action, in this sense, is a measure both of the energy involved in traversing the path and the time taken. For light (which is always a special case), this boils down to time alone, so that the principle of least action becomes the principle of least time, which is why light travels in straight lines. You can see how the principle works when light from a source in air enters a block of glass, where it travels at a slower speed than in air. In order to get from the source A outside the glass to a point B inside the glass in the shortest possible time, the light has to travel in one straight line up to the edge of the glass, then turn through a certain angle and travel in another straight line (at the slower speed) on to point B. Travelling by any other route would take longer. The action is a property of the whole path, and somehow the light (or "nature") always knows how to choose the cheapest or simplest path to its goal. In a similar fashion, the principle of least action can be used to describe the entire curved path of the ball thrown through a window, once the time taken for the journey is specified. Although the ball can be thrown at different speeds on different trajectories (higher and slower, or flatter and faster) and still go through the window, only trajectories which satisfy the Principle of least action are possible. Novikov and his colleagues have applied the same principle to the "trajectories" of billiard balls around time loops, both with and without the kind of "self collision" that leads to paradoxes. In a mathematical tour de force, they have shown that in both cases only
Fae Originally Answered: Im trying to build a time machine?
The theory of quantum physics would help. A star gate might work as well. This will require you to know 6 points, 5 points and 1 originating point. You may also want to sharpen up on your knowledge of "ancient", a zat gun would help, some MRE's if you like them. A cool black jafa dude may come in handy to kick some butty if needed. A good looking gal, like Lt. Col. Carter would be sweet on the eyes. When you get to wherever you are going drop me a line. Grab a current sport almanac and bring it back. See ya bro Good luck young jedi

Comfort Comfort
Where do I begin? Start with no human could handle it. If I went back to 1964 to spend a year there (then), I would go insane. The human mind is designed to handle normal time succession. Then state that no time machine exists (only in moviedom). Then venture to say no time machine can exist. Finish it off with time travel is not possible, because time is not a thing to travel through. It is simply a measure of the sequence of events that happen in the universe.
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Berniece Berniece
serious? Its physically impossible. People having been trying for decades and couldn't figure it out. It also would rip are society to pieces if this was ever made possible.
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Berniece Originally Answered: Do think that it could be possible that our future descendents have aready created a time machine?
Would you believe...if you've ever taken a commercial flight, you've traveled into your future. It's called time dilation, where your personal time t and the time T of those who are not moving relative to your airplane differ by the factor L(v/c) = sqrt(1 - (v/c)^2) as in T L(v/c) = t and e = T - t = t (1/L(v/c) - 1) is the amount of time you've gone into your future when you land at an airport after a t hour flight according to your Rolex. This is all described in the special theory of relativity; this is not fiction as it's been proven over and over. Plug v = 1/6 mi/sec and c = 186282 mi/sec for light speed and you'll see what that factor L(v/c) is for your commercial flights of about v = 600 mph (1/6 mi/sec). And after t = 4 hr, you'll find that e ~ 5E-9 seconds is the time you flew into your own future. Not much to write home about, but it's been tested and measured; so the flights into the future are real, not fantasy. And some day when we take an interstellar flight at v = 1/4 c, we'll find that e = T - t = 1.03 - 1 = .03 years (11 days) flight into the future when we get back after each t = 1 yr of flight time on our personal calendar. A nine year round trip to Alpha Centauri and back would advance the crew about 99 days into their future, not counting acceleration and deceleration periods. If you were a twin, your sibling would be 99 days older than you had you taken the nine year flight. Bottom line, every time you, I, and my dog Boots move relative to things standing still, our personal times, t, will slow down relative to T, the times of those things standing still. That's been tested and validate, it's real. On the other hand travel into the past is pure fantasy. It can't be done, now or in the future...there is no physics to do it. In fact it violates a number of laws of nature. The most compelling one is the Second Law of Thermodynamics...the entropy law. As a close system our local universe is a net positive entropy system. That is, in the net, it is getting more chaotic and disorderly each instance of time. So to travel into the past, we'd have to reassemble the whole universe back into a lower entropy state like it was back then and there. And that cannot be done. It's a bit like putting Humpty Dumpty back together again. And you know how that turned out. Check out the sources for more on why time travel into the past is impossible but travel into the future is something we do daily.

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