Tipler cylinder

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Tipler cylinder

A Tipler cylinder, also called a Tipler time machine, is a hypothetical object theorized to be a potential mode of time travel—although results have shown that a Tipler cylinder could only allow time travel if its length were infinite or with the existence of negative energy (see the discussion of Hawking's proof below).The Tipler cylinder was discovered as a solution to the equations of general relativity by Willem Jacob van Stockum in 1936 and Kornel Lanczos in 1924, but not recognized as allowing closed timelike curves until an analysis by Frank Tipler in 1974.

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[ashleylewis]

I was thinking that It looks like a Tipler Cylinder design in Doctor Who (opening theme). I love that it is mentioned in here.

[davidlindsey]

See Hawking entire argument rest on Enstien approach on relativity string theory shows Enstien was not exactly Also to this day u ask hawking whats gravity is he will give