Warp drives and other superluminal travel

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wjfox
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Warp drives and other superluminal travel

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New study appearing in IOP Science.

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Analyzing warp drive spacetimes with Warp Factory

Published 5 April 2024 • © 2024 IOP Publishing Ltd

The field of warp research has been dominated by analytical methods to investigate potential solutions. However, these approaches often favor simple metric forms that facilitate analysis but ultimately limit the range of exploration of novel solutions. So far the proposed solutions have been unphysical, requiring energy condition violations and large energy requirements. To overcome the analytical limitations in warp research, we introduce Warp Factory: a numerical toolkit designed for modeling warp drive spacetimes. By leveraging numerical analysis, Warp Factory enables the examination of general warp drive geometries by evaluating the Einstein field equations and computing energy conditions. Furthermore, this comprehensive toolkit provides the determination of metric scalars and insightful visualizations in both 2D and 3D, offering a deeper understanding of metrics and their corresponding stress–energy tensors. The paper delves into the methodology employed by Warp Factory in evaluating the physicality of warp drive spacetimes and highlights its application in assessing commonly modeled warp drive metrics. By leveraging the capabilities of Warp Factory, we aim to further warp drive research and hopefully bring us closer to realizing physically achievable warp drives.

https://iopscience.iop.org/article/10.1 ... 382/ad2e42


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Time_Traveller
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Re: Warp drives and other superluminal travel

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This type of technology has always fascinated me for years and what the future may hold with this technology and beyond.
"We all have our time machines, don't we. Those that take us back are memories...And those that carry us forward, are dreams."

-H.G Wells.
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Re: Warp drives and other superluminal travel

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Model suggests subluminal warp drives may be possible
https://phys.org/news/2024-05-subluminal-warp.html
by Bob Yirka , Phys.org
A team of physicists from the University of Alabama in Huntsville and the Advanced Propulsion Laboratory at Applied Physics, in New York, has developed a model that shows it might be possible to create a subluminal warp drive.

In their paper published in the journal Classical and Quantum Gravity, the group describes the physics behind their approach and why they believe it shows that warp drives may not have to be relegated to science fiction stories.

Warp drives, made famous by the television series "Star Trek," are imagined engines that could push vehicles through space at speeds that are currently impossible—perhaps even at the speed of light.
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Re: Warp drives and other superluminal travel

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Breakthrough Computational Warp Drive Design Without Needing Negative Energy

June 29, 2024 by Brian Wang
https://www.nextbigfuture.com/2024/06/b ... nergy.html
Applied Physics unveils a new type of warp drive—a theoretical method of space travel that complies with general relativity and operates at a constant subluminal speed without requiring unphysical forms of matter.

They have created the Warp Factory which is open source software for testing out Warp drive designs. Warp Factory is one of the most significant advances in warp field research to date since it offers researchers a virtual simulation suite like those enjoyed by engineers in advanced aerospace and automotive design.
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Re: Warp drives and other superluminal travel

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What no one has seen before – simulation of gravitational waves from failing warp drive

29-07-2024

Physicists have been exploring the theoretical possibility of spaceships driven by compressing the four-dimensional spacetime for decades. Although this so-called “warp drive” originates from the realm of science fiction, it is based on concrete descriptions in general relativity. A new study published in the Open Journal of Astrophysics takes things a step further – simulating the gravitational waves such a drive might emit if it broke down.

[...]

The results are fascinating. The collapsing warp drive generates a distinct burst of gravitational waves, a ripple in spacetime that could be detectable by gravitational wave detectors that normally target black hole and neutron star mergers. Unlike the chirps from merging astrophysical objects, this signal would be a short, high-frequency burst, and so current detectors wouldn't pick it up. However, future higher-frequency instruments might, and although no such instruments have yet been funded, the technology to build them exists. This raises the possibility of using these signals to search for evidence of warp drive technology, even if we can't build one ourselves.

https://www.uni-potsdam.de/en/headlines ... warp-drive


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