Existential Physics

A Scientist's Guide to Life's Biggest Questions

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Existential Physics (2022, Penguin Publishing Group)

English language

Published Nov. 13, 2022 by Penguin Publishing Group.

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4 stars (2 reviews)

5 editions

A book that poses interesting questions and gives fascinating answers.

3 stars

An interesting book where the author tackles some of the essential questions, and what does physics have to say about them. The author is careful to state what current day physics can actually say, before pulling in more ideas that are, in her view, not supported by the data or evidence that we know about the workings of the universe.

In a series of chapters, questions about the past, present and future (time), how the universe began, free will and consciousness are asked and answered. More speculative questions posed include whether the universe itself can think and whether humans are predictable.

You may or may not agree with her conclusions, but posing and trying to answer the questions will give you an idea about the limits of current day physics. And perhaps we have to accept that some questions may never have adequate answers.

Good book

5 stars

At first I had issues with what she was writing but then I realized it was how.she was framing her arguments.

This book has changed me. I now have a better understanding of ascientific theory and what is a scientific theory. It's amazing how much other atheist/agnostic scientists put their faith in theories that have no basis in the actual scientific research.

The author does a great job of not debating those theories nor religion or have anything against them she just argues for what does the science tell us about the universe.

Taking it from that point of view, this book has changed me.


  • Physics, philosophy
  • Cosmology
  • Meaning (philosophy)
  • Quantum theory