Question

What is TIPLER CYLINDER and how does it work?(Theoretical Time Machine)Plz ans fast!!

Answer 1

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.

Answer 2

Tipler's cylinder was discovered by Stephen hawking 

by which we can travel back in time 

the theoretical proof was given by William Jacob 

it has some concept to reversing the light and making closed timelike curve 

You can know more about it 

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