A Fortunate Universe: Life in a Finely Tuned Cosmos

Astrophysicists Geraint Lewis and Luke Barnes explain the fine-tuning of the universe, the idea that small changes in the laws of physics would make life impossible. They examine the strength of the forces, the masses of particles and the properties of space and time, and show how narrow the conditions for life seem. The authors also discuss possible explanations, from multiverses to deeper theories.

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Shane Parrish: “You might never be able to answer the question “why are we here” but you won’t even come close without this book. It explains how far science has gone and analyzes how far science can go in explaining why our universe is the way it is, and what this means for the tiny speck that is humanity. Fascinating”