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Chapter 5.4 Using a Worm Hole to start our Time Tour

A American physicist Kip Thorne discovered that if human can pass through worm hole safely, we can start our time tour. In order to explain it thoroughly, we have to use the twin paradox.

If the elder brother of a twin travels in a space ship with the speed of light. And he goes back ten years later, his brother will have his age increased by 10. But the elder brother with only have his age increased by 1. This is called Twin Paradox.

This circumstance is called paradox because we put a view on the elder brother. On Earth, his little brother should have more actions, then we may not be able to identify whose time is being delayed. As the elder brother has to change his direction when he goes back to Earth, and his little brother processes a constant action, the time of elder brother will have been delayed because they have un-equal actions on time.

We can use worm hole to put instead of the twin paradox to discuss. This means that we use worm hole with speed of light to start our time tour. Firstly, we should set an entrance and an exit A and B. Then we should let the port B to travel in the speed of light only. When a person travels from the port B at 2000/1/1, he will be back at 2010/1/1. Suddenly, another person from port A starts the time tour, and he appears at port B immediately, then the time will be 2001/1/1. Kip thought that we can start our time tour in this way.

In fact, time tour is contradictory. How about if we go back to kill our grandfather, our father will not be able to born, and so so we. But the killer is in the future but he is not real. Facing this problem, first, the machine of time tour should not be peasant. Secondly, a device should be peasant so that there is no this problem.

We can use port A and port B to travel the time tour. When we start, port A should keep station, but port B can be move freely. At first, the time is set as 2000/1/1, and port B is the only port to allow and move in the speed of light. While we use the speed of light to travel, time will also be delay too. 10 years later, we come back, but the time at port B is still 2001/1/1. Whoever jumps into the port A, he will appear at port B immediately, but the time is still 2001/1/1. Theoretically, we may be able to go back to our life by this time tour.

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