ScienceHindeni

  Understanding the time  What is time ? This is time or not Time is relative quantity, while most people think of time as a constant, physicist Albert Einstein Showed that time as a illusion. It is relative- it can vary for different observers depending on your speed through space.  according to the Einstein, time is fourth dimension .  space is described as a third dimensional arena. which provide Traveller with coordinates - such as length, width ,  and height - showing location. time provide another coordinates- direction- although conventionally , it only moves forward.   (conversely , a new theory asserts that time is "real") most physicist time is a subjective illusion but what if time is real? Einstein theory of special relativity says that time slow down or speeds up depending on how fast you move relative to something else. Approaching the speed of light , a man inside the spaceship would  age much slower than his  twin at home also...