We show that a class of subluminal, spherically symmetric warp drive spacetimes, can be constructed based on the physical principles known to humanity today. You can even take on other Pogo players, matched to your skill level.
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Therefore, any warp drive requires propulsion. Play free online SCRABBLE on Pogo Practice your skills against computer opponents, or create a game of SCRABBLE with family and friends. Find many great new & used options and get the best deals for Wooden Scrabble Customise Choice Tiles Choose your own Letters A-Z - X Jewellery at the best online prices at eBay Free delivery for many products. Conceptually, we demonstrate that any warp drive, including the Alcubierre drive, is a shell of regular or exotic material moving inertially with a certain velocity.
We present the first general model for subluminal positive-energy, spherically symmetric warp drives offer superluminal warp-drive solutions that satisfy quantum inequalities provide optimizations for the Alcubierre metric that decrease the negative energy requirements by two orders of magnitude, and introduce a warp drive spacetime in which space capacity and the rate of time can be chosen in a controlled manner. In this study, we have developed a model of a general warp drive spacetime in classical relativity that encloses all existing warp drive definitions and allows for new metrics without the most serious issues present in the Alcubierre solution. For this reason, the Alcubierre warp drive has been widely considered unphysical (not possible per physics). It allows for superluminal travel at the cost of enormous amounts of matter with negative mass density. The Alcubierre warp drive is a novel solution in general relativity.
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