Ralph Edney,Craig Callender

Introducing Time

What is time? The 5th-century philosopher St Augustine famously said that he knew what time was, so long as no one asked him. Is time a fourth dimension similar to space or does it flow in some sense? And if it flows, does it make sense to say how fast? Does the future exist? Is time travel possible? Why does time seem to pass in only one direction?These questions and others are among the deepest and most subtle that one can ask, but “Introducing Time” presents them — many for the first time — in an easily accessible, lucid and engaging manner, wittily illustrated by Ralph Edney.
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    Wow! Blew my mind. I can’t even digest most of it. Will revisit from time to time. Hopes up.

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    Mikie Jonesmembuat kutipan6 bulan yang lalu
    1999, the National Institute of Standards and Technology in Boulder, Colorado (US) started using an atomic clock known as the NIST F-1 to define the second.
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    sorry state, for I do not even know what I do not know!”.
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    such as whether the past and future are real, whether time travel is possible, and the explanation of the direction of time

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