![]() ![]() The traditional route with these equations is to start with a configuration of matter-energy and see what shape of spacetime it produces. On one side, there is the shape of spacetime, and on the other, there is the configuration of matter-energy. Understanding the equations of GR means understanding what’s on either side of the equals sign. It’s also noteworthy that researchers have raised other concerns about an Alcubierre drive - like how it would violate quantum mechanics or how when you arrived at your destination it would destroy everything in front of the ship in an apocalyptic flash of radiation. These are things theorists dreamed up to stick into the GR equations in order to do cool things like make stable open wormholes or functioning warp drives. Most important was that this “Alcubierre drive” required lots of “exotic matter” or “negative energy” to work. This was really good news for warp drive fans. That year, Miguel Alcubierre wrote down a solution to the basic equations of GR that represented a region that compressed spacetime ahead of it and expanded spacetime behind to create a kind of traveling warp bubble. This was a basic idea in science fiction long before Star Trek popularized the name “warp drive.” But until 1994, it had remained science fiction, meaning there was no science behind it. ![]()
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