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Is it possible to move through time? That’s the question everyone asking. Until now we know it is impossible. However, common sense is not always such a good guide. Some hundred years ago common sense said man could never fly; now we travel all over the world. There are problems. The commonest are the so-called paradoxes. For example, if we could travel through time, imagine what would happen to a time traveller. If he/she travelled back in time and killed his/her own grandmother at birth. In theory the time traveller will therefore never be born, so the journey could never have been made in the first place; but if the journey never occurred then the grandmother would be born which means the time traveller would have been born and could make the journey ... and so on and so on. This is a paradox. There is a possibility. When the time traveller kills the grandmother he immediately creates a new quantum universe, in basis a parallel universe where the grandmother never existed and where our time traveller is never been born. The original universe still remai