A newbie’s information to time journey

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Everybody can journey in time (opens in new tab). You do it whether or not you wish to or not, at a gentle price of 1 second per second. Chances are you’ll suppose there is not any similarity to touring in one of many three spatial dimensions at, say, one foot per second. However based on Einstein (opens in new tab)‘s principle of relativity (opens in new tab), we reside in a four-dimensional continuum — space-time — by which area and time are interchangeable.

Einstein discovered that the sooner you progress by means of area, the slower you progress by means of time — you age extra slowly, in different phrases. One of many key concepts in relativity is that nothing can journey sooner than the velocity of sunshine (opens in new tab) — about 186,000 miles per second (300,000 kilometers per second), or one light-year per 12 months). However you will get very near it. If a spaceship have been to fly at 99% of the velocity of sunshine, you’d see it journey a light-year of distance in simply over a 12 months of time. 

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