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Arrow of Time

Cara Santa Maria

What Is Time?

HuffingtonPost.com | Cara Santa Maria | Posted 12.31.2012 | Science

Have you ever stopped to ask yourself, "what is time?" We all understand its passage intuitively, experientially. But does time actually exist? Is it ...

But Time Meanwhile Is Flying

Mario Livio | Posted 01.27.2013 | Science
Mario Livio

The fact that we have an arrow of time is a direct consequence of the initial cosmological conditions. Since we appear to be living in a forever-accelerating universe, the entropy will continue to rise, leading eventually to a cold death.