This book should be read like a scientific fiction: indeed, I am an engineer and I am not a physicist and not an astrophysicist. Time, to our knowledge, only goes one way.There is only the theory of relativity which explains that time passes more or less quickly when we move with a more or less fast speed.For example, we could travel far away into space while not aging, if we move at a speed close to the speed of light. But in this case the people on our Earth will have aged a lot. And there are also many others today unresolved constraints for long-distance space travel.I wrote this fictional scientific essay to explain how to be able to make a far away journey in space and return to our Earth, finding people as they were when we start the travel (not aged, like people who have traveled in the spacecraft).I explain how to use a transient space-time where time would be negative.I analyzed the consequences of this hypothesis and explained how all the feasibility problems for being able to travel far in space would be solved.I wrote this book to share this scientific fiction with you, ...
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