• by Richard A. Muller
  • Narrated by Christopher Grove
  • 10 hrs and 2 mins
  • Unabridged Audiobook

Publisher's Summary

You are reading the word now right now. But what does that mean? What makes the ephemeral moment now so special? Its enigmatic character has bedeviled philosophers, priests, and modern-day physicists from Augustine to Einstein and beyond. Einstein showed that the flow of time is affected by both velocity and gravity, yet he despaired at his failure to explain the meaning of now. Equally puzzling: Why does time flow? Some physicists have given up trying to understand and call the flow of time an illusion, but eminent experimentalist physicist Richard A. Muller protests. He says physics should explain reality, not deny it.
In Now, Muller does more than poke holes in past ideas; he crafts his own revolutionary theory, one that makes testable predictions. He begins by laying out - with the refreshing clarity that made Physics for Future Presidents so successful - a firm and remarkably clear explanation of the physics building blocks of his theory: relativity, entropy, entanglement, antimatter, and the big bang. With the stage thus set, he reveals a startling way forward.
Muller points out that the standard big bang theory explains the ongoing expansion of the universe as the continuous creation of new space. He argues that time is also expanding and that the leading edge of the new time is what we experience as now. This thought-provoking vision has remarkable implications for some of our biggest questions, not only in physics but also in philosophy, including the ongoing debate about the reality of free will. Moreover, his theory is testable. Muller's monumental work will spark major debate about the most fundamental assumptions of our universe and may crack one of physics' longest-standing enigmas.


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Customer Reviews

Most Helpful

Physics mixed with spiritual claptrap!

What could have made this a 4 or 5-star listening experience for you?

The subject is interesting without the author having to delve into his personal theology. I think Muller should have stuck to subjects on which he is informed and knowledgeable.

What was your reaction to the ending? (No spoilers please!)

I was horrified that such an intelligent and educated man could buy into his own half-considered musings on the nature of the human soul and its interactions with the physical world. It was a truly flaccid ending to what would otherwise be a very interesting tome.

What does Christopher Grove bring to the story that you wouldn’t experience if you just read the book?


What character would you cut from Now?

The human soul.

Any additional comments?

A great example of why physicists should stick to what they are good at. I would as soon read a theologian's musing on the nature of reality as a physicists musings on the nature of the soul. Neither have much of interest to divulge.

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- A O'Keeffe

No. Sorry, Just No

I like Richard Muller and love Physics for Future Presidents. He jumps out on a limb in the book but unfortunately fails to make his case.

The best I can say is that he is clever to a point with semantics but really doesn't open the doors to a great, or as he would say, a more correct interpretation of time. Because entropy is a fluid process that cannot define 'now' is no reason to toss entropy as a means of defining time as best we are able. Really, time is fluid and there is no now. Before you can say now, the time has past. There is not frozen moment of time.

The book is interesting but I would not say it's ground breaking.
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- Chris Reich

Book Details

  • Release Date: 09-20-2016
  • Publisher: Random House Audio