(Before It's News)
With the discovery of the crucial, though, unexpected link between space and time, Einstein realized that these two things could no longer be thought of as separate things.
They are fused together and form the continuum (manifold) of space-time, viewed as a four-dimensional vector space.
Suddenly, he realized something unbelievable, namely that our understanding of past, present and future and the sharp difference we see between them – may only be an illusion.
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Every Day is Earth Day
Source:
http://www.riseearth.com/2016/02/past-present-and-future-exist-all-at.html