what is a time dilatation machine?
469813
is the phenomenon where the observed time rate of an observer's reference frame is different from that of a different reference frame. In Albert Einstein's theories of relativity the effect is manifested in two ways:\n\n    * In special relativity, clocks that are moving with speed v with respect to an inertial system of observation are found to be running slow. This effect is embodied in the Lorentz transformation.\n\n    * In general relativity, clocks at lower potentials in a gravitational field are found to be running slower. This gravitational time dilation is only briefly mentioned in this article but is described elsewhere (see also gravitational red shift).\n\nThe formula for determining time dilation in special relativity is:\n\n    &#92;Delta T = &#92;gamma &#92;Delta T_0 &#92;!\n\n        where\n\n            ΔT is the time period as measured by a stationary observer,\n            ΔT0 is the time period of the moving object as seen by the stationary observer,\n            &#92;gamma &#92;equiv &#92;frac{1}{&#92;sqrt{1 - &#92;frac{u^2}{c^2}}} is the Lorentz factor,\n            u is the relative velocity between the observer and the object, and\n            c is the speed of light.\n\n\nNote that this formula assumes that both object and observer are in the same spot, and that their +x direction is the same. The lorentz transforms can be used for more general cases.\n\n\nThis effect is extremely small at ordinary speeds, and can then be safely ignored. It is only when an object approaches speeds on the order of 30,000 km/s (1/10 of the speed of light) that it becomes important.\n\nTime dilation by the Lorentz factor was predicted by Joseph Larmor (1897), at least for electrons orbiting a nucleus. Thus "... individual electrons describe corresponding parts of their orbits in times shorter for the [rest] system in the ratio :&#92;sqrt{1 - v^2/c^2}" (Larmor 1897). Time dilation of magnitude corresponding to this (Lorentz) factor has been experimentally confirmed.
650834
it depends on what machine you use for digging, if you want to open a tunnel like channel then you can use tbm's(tunnel boring machine) it gives you machine force, if you use another machines then the time will be increased
18041
The TARDIS is the name of a fictional time travelling machine in the British science fiction television programme Doctor Who. The name is an acronym of Time And Relative Dimension (or Dimensions) In Space, a product of Time Lord technology. A properly piloted and working TARDIS is capable of transporting its occupants to any point in space and time. It is also larger on the inside than it appears from outside.\n\nExtracted from Wikipedia.\n\nI hope the above para answers your question.\n\n>>> Naveen Kumar
2254
With a device called a time base correcter
417984
As Einstein said you get time contraptions if you move at a speed aproaching the speed of light. For you time moves faster. You move a year with a speed close to the speed of light and when you stop everyone will be 7  years older and you've spent only one year. The problem is...what if you don't like the future....there is no way to go back in time..
339701
Time travel occurs everyday with everyone.  Just sitting in front of the computer now I am advancing into the future at a rate of one second per second.  What the clock on the jet experiences is time dilation.  This simply means that for the clock on the Jet, time slowed down.  In this sense it is possible to travel into the future.  This would be done by travelling at extremely high speed.  This would essentially "fast forward" you into the future, but is a one way ticket as there is no way back.\n\nTime travel as a sci-fi concept (e.g Dr Who or Back to the Future) is not possible (as currently thought), as this would mean travelling into the past as well as the future.  There are some theories that could allow time travel into both the future and the past  However, in these theories, you could not travel futher back in time than the instant the time machine was built - the reasons for which are complicated and stop paradoxes from occuring!
601936
I believe that true time is simply another dimension we just haven't figured out how to move in any but one direction. Time as in seconds, minutes, etc are nothing but a random measurement we have placed on that axis; more random than how we chose inches, feet, or meters for the other axis'.
391887
yes you can. it takes you back in time...or you get to see the future..this is how time machines work.
748179
no...they are just fat. first of all mass doesnt change for people, it's the matter that changes, so gravitty is same for all. \n\nblack holes and speeding rockets do experience warping of time and space, thus slower time. so, if these things can be called time machines, and fat people were actually more massive, not more matter, then yes, fat people would be time machines. however, fat people are more matter, not more massive and it's debatable whether black holes and speeding rockets are time machines in a h.g wells sense.\n\nother than that...i thought it was pretty funny joke and food for thought...too bad the others on here think so highly of themselves, that they cant see past their big egos.
459750
The concept of a time machine could exist, but it would take an almost infinite amount of energy.  The only way it could work is exactly the way you are asking,  You can only move forward in time, just at different rates.  So if you want to see the future then time would need to slow down for you and the world would have to speed up.  After a while you could return to earth and it would be the future.  \nFrom what is presently known about physics you can only move forward in time only at different rates from an observers point of view.  Believe me if we could travel back in time someone would have already screwed it up something big by now.\n\nThis is a one way trip, good luck
169854
Of course.  We all travel forward in time, at a rate of 1 second per second.  ;)\n\nBTW, in the time dilation examples cited here, you don't actually travel back in time, it's just that one object travels forward in time at a slower rate as observed from the other reference frame.
894018
Time is called a dimension because in Einstein's theory of relativity it makes mathematical sense to do so. Events happen in spacetime, 3 spatial and 1 time dimension. But their orientation in space and time relative to each other, depends on the observer and the relative speeds of the events.\n\nIn Einstein's formulas these dimensions are mixed by transformations depending on the velocities. This works only if we add time as a dimension.    \n\nWill we ever be able to travel to time? Well, weird things happen to the equations close to black holes and their mathematical opposites, white holes. So who knows?\n\nBut I don't think so... suppose sometime in the future time travel will be  invented. Wouldn't we see these travellers once in a while?
1099889
It was called Timeslip. Check out the website:\nhttp://www.timeslip.org.uk/
904688
There is a good book out there called "Black Holes, Wormholes & Time Machines" by Jim Al-Khalili. Check your local library. If you can't find it there, then you could probably find it online somewhere at like amazon or something.
1012117
You can buy a time machine . . . it's June 2006 now.
1059670
we travel in time as it is just only at the speed of our life and planet the thing to do is to step up or slow down the speed of the process then you are in a time machine
68749
Rabid_Scientist is entirely correct.  Both you and your home see time in the other place as speeding up.  I do have something to add to that though.  If you maintain a constant velocity, it can only be measured relative to some other point of reference, so there is no way to determine which is faster, and consequenty it cannot be determined whose time is actually going faster.  However, if you are accelerating it's a whole different story.  As you speed up to that super fast speed where the time differental starts to be noticable, you will see time on your home planet speed up and they will see your time slow down. (Sorry, I'm not going to try to explain this, I'm not sure I entirely understand it myself).  If you were to go back to your home planet, far more time would have passed for them than for you.  This effect will be greater with greater acceleration and greater speed so in that regard time will pass on your home planet more quickly the faster you go.