Time machine and it's importance
Time travel it's consequences and importance Time travel: Time travel is the concept of movement between certain points in time, analogous to movement between different points in space by an object or a person, typically with the use of a hypothetical device known as a time machine. Time travel is a widely recognized concept in philosophy and fiction. Time travel in this century is possible so far. professor Einstein proves that Travelling forwards in time is surprisingly easy. Einstein’s special theory of relativity , developed in 1905, shows that time passes at different rates for people who are moving relative to one another - although the effect only becomes large when you get close to the speed of light. If one were to leave Earth in a spacecraft travelling at an appreciable fraction of lightspeed, turn around and come back, only a few years might have passed on board but many years could have gone by on Earth. This is known ...