Undergrad Any advancements in the feasibility of Alcubierre warp drive science?

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The discussion on the feasibility of the Alcubierre warp drive highlights that there have been no significant advancements in the field since previous threads. Participants emphasize the need for more focused inquiries rather than broad questions. The consensus is that the topic remains too speculative and lacks concrete developments. A suggestion is made to reference specific research papers for deeper exploration. Ultimately, the thread was closed due to its broad nature and lack of new information.
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jaketodd said:
those threads are a bit old
Nothing substantial has changed in the subject area.

jaketodd said:
Alcubierre warp drive. Can it ever be created? Obstacles? Complete impossibilities?
This is much too broad for a PF discussion. You need to find a specific question you are interested in, based on some specific paper (not just a search of all papers on arxiv.org), and start a new thread with that specific question.

This thread is closed.
 
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Thread 'Physical Interpretation of Frame Field'

Moderator's note: Spin-off from another thread due to topic change. In the second link referenced, there is a claim about a physical interpretation of frame field. Consider a family of observers whose worldlines fill a region of spacetime. Each of them carries a clock and a set of mutually orthogonal rulers. Each observer points in the (timelike) direction defined by its worldline's tangent at any given event along it. What about the rulers each of them carries ? My interpretation: each...
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