U teoriji je, kao, nemoguće je imati IQ 0, pa hej, ti u teoriji i nemaš veći od toga hehehHEHEHEHeHEH3hEH#H#zh3h3
Hehehe! own! OWN!!!1111!!11
"The following formula (Einstein field equation), based on general relativity, theoretically permits the travel of an object at a greater velocity than that of light, provided that space-time is curved"
Zašto bi jedan dio teorije relativnosti uvažavali, a drugi ne?
While thought experiments on the wilder shores of theoretical physics continue to be formed, no scheme that may allow travel at warp velocity has yet been devised that has also been accepted by mainstream science. Some physicists have proposed a model of FTL travel, formulated in the context of Lorentzian manifolds, which are used in general relativity to construct space-time models. However, contrary to a common misconceptions, these models are in no sense solutions to the Einstein field equation, and they give no knowledge as to how a warp bubble might actually be established.[citation needed]
These models do however show that while it is indeed impossible to exceed the speed of light, in principle it might be possible to circumvent the problem by suitably "warping" spacetime itself. The most renowned theory, known as the Alcubierre drive, uses terminology in accord with Star Trek jargon: "warp factors" measure the warping of space-time, not the magnitude of actual velocity. In his book The Physics of Star Trek, Lawrence Krauss states that while it is possible to actually travel at a velocity greater than that of light via warp drive, huge amounts of negative energy are required to make it work. Gardiner developed a timetable for the development of the warp drive from analyses of history. He concluded the realization of the warp drive might be achieved around the year 2180.
An FTL propulsion system — based on Alcubierre’s warp drive — that utilizes dark energy to propel a spacecraft faster than light has been proposed, and could revolutionize space travel according to an article on the website of Cosmos Magazine. The concept is supported by the calculations of several physicists at Baylor University in Waco, Texas. Comparable to the warp drive concept of Star Trek, their theory states that a spacecraft could travel at warp velocity in a bubble of space-time, by manipulating dark energy — the mysterious invisible force allegedly responsible for the observed acceleration in the expansion of the universe. Essentially, the spacecraft would remain in the same place, while space-time ahead of the craft would shrink, expanding again behind it.
At present, there is no known way to naturally or artificially establish a separate, finite space-time region or "bubble" — as mentioned, such a region is necessary to locally suspend or encapsulate the spacecraft within its view of a "normal" space-time. Concurrently, external from that region, there would exist a "warped" space-time, through which the separate region travels at velocities exceeding c, the speed of light.
The following formula (Einstein field equation), based on general relativity, theoretically permits the travel of an object at a greater velocity than that of light, provided that space-time is curved.
Gμν is the Einstein curvature tensor, which describes the curvature in space, while the constant G without indices is Newton's gravitational constant. Hypothetically, if space-time is warped properly, the velocity of the traveling object does not technically exceed the speed of light, even though they appear to be moving faster than light to observers in normal space-time.
In 2007, physicist Richard Obousy proposed that a warp drive could be created by directly manipulating the extra dimensions of string theory. His idea suggests the expansion of space-time is a consequence of the vacuum ground-state of higher dimensional graviton fluctuations. The vacuum energy equations can be expressed as:
In this model, it is the radius of the extra dimensions that directly controls the expansion of space. Obousy suggests that it is superstrings that wrap around the extra dimensions and thusly keeping them compact, but that a sufficiently advanced civilization might influence a string and locally adjust the size of the extra dimension creating a controlled expansion and contraction of the space surrounding an interstellar craft. In July of 2008 it was reported that two Baylor University physicists have outlined how a faster-than-light engine could be created by manipulating the 11th dimension, a special theoretical construct of m-theory.
EDIT: pozz
