An Explanation of the Alcubierre-White Warp Drive

The Alcubierre-White warp drive concept is based on the work of Dr. Miguel Alcubierre and Dr. Harold “Sonny” White. It would permit faster-than-light travel within the framework of Einstein’s general relativity theory. The video explains this faster-than-light propulsion concept in detail. Below the video is an article about the original Alcubierre warp drive theory.


Source: AsteronX Video

This article explains the original Alcubierre warp drive theory that led to the development of the Alcubierre-White propulsion concept:

What Is the Alcubierre “Warp” Drive?
by Matt Williams | Universe Today

It’s always a welcome thing to learn that ideas that are commonplace in science fiction have a basis in science fact. Cryogenic freezers, laser guns, robots, silicate implants … and let’s not forget the warp drive! Believe it or not, this concept – alternately known as FTL (Faster-Than-Light) travel, Hyperspace, Lightspeed, etc. – actually has one foot in the world of real science.

In physics, it is what is known as the Alcubierre Warp Drive. On paper, it is a highly speculative, but possibly valid, solution of the Einstein field equations, specifically how space, time and energy interact. In this particular mathematical model of spacetime, there are features that are apparently reminiscent of the fictional “warp drive” or “hyperspace” from notable science fiction franchises, hence the association.

Background

Since Einstein first proposed the Special Theory of Relativity in 1905, scientists have been operating under the restrictions imposed by a relativistic universe. One of these restrictions is the belief that the speed of light is unbreakable and hence, that there will never be such a thing as FTL space travel or exploration.

Even though subsequent generations of scientists and engineers managed to break the sound barrier and defeat the pull of the Earth’s gravity, the speed of light appeared to be one barrier that was destined to hold. But then, in 1994, a Mexican physicist by the name of Miguel Alcubierre came along with a proposed method for stretching the fabric of space-time in a way which would, in theory, allow FTL travel to take place.

Concept

To put it simply, this method of space travel involves stretching the fabric of space-time in a wave which would (in theory) cause the space ahead of an object to contract while the space behind it would expand. An object inside this wave (i.e. a spaceship) would then be able to ride this region, known as a “warp bubble” of flat space.

This is what is known as the “Alcubierre Metric”. Interpreted in the context of General Relativity, the metric allows a warp bubble to appear in a previously flat region of spacetime and move away, effectively at speeds that exceed the speed of light. The interior of the bubble is the inertial reference frame for any object inhabiting it.

Read More at Universe Today

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