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The Random Universe: How Models and Probability Help Us Make Sense of the Cosmos
An award-winning astrophysicist looks at how the understanding of uncertainty and randomness has led to breakthroughs in our knowledge of the cosmos
All of us understand the world around us by constructing models, comparing them to observations, and drawing conclusions. Scientists create, test, and replace these models by applying the twinned concepts of probability and randomness. Exploring how this process has refined our knowledge of quantum mechanics and the birth of the universe, Andrew H. Jaffe offers a unique synthesis of the philosophy of epistemology, the mathematics of probability, and the science of cosmology.
As Jaffe puts Enlightenment thinkers like David Hume in conversation with contemporary philosophers such as Karl Popper and Imre Lakatos and engages with scientists ranging from Isaac Newton and Galileo to Albert Einstein and Arthur Eddington, he uses Thomas Bayes’s seminal studies of statistics and probability to make sense of conflicting currents of thought. This is a deep look into how we have learned to account for uncertainty in our search for knowledge—and a reminder that science is not about facts and data as such but about creating models that correctly account for those facts and data.
All of us understand the world around us by constructing models, comparing them to observations, and drawing conclusions. Scientists create, test, and replace these models by applying the twinned concepts of probability and randomness. Exploring how this process has refined our knowledge of quantum mechanics and the birth of the universe, Andrew H. Jaffe offers a unique synthesis of the philosophy of epistemology, the mathematics of probability, and the science of cosmology.
As Jaffe puts Enlightenment thinkers like David Hume in conversation with contemporary philosophers such as Karl Popper and Imre Lakatos and engages with scientists ranging from Isaac Newton and Galileo to Albert Einstein and Arthur Eddington, he uses Thomas Bayes’s seminal studies of statistics and probability to make sense of conflicting currents of thought. This is a deep look into how we have learned to account for uncertainty in our search for knowledge—and a reminder that science is not about facts and data as such but about creating models that correctly account for those facts and data.
- GenresScience
275 pages, Kindle Edition
Published November 11, 2025
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103 people want to read
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Displaying 1 of 1 review
March 20, 2026
The first half is essentially what randomness and probability truly mean, and how they relate to scientific inquiry. The second half is more of an overview of how we attained our current understanding of the evolution of the universe.
Both are well done, though I do wish the author expanded on both a bit more and made them two separate books. Still, very understandable to a general audience.
My rating is more like a 4.25 or so.
Both are well done, though I do wish the author expanded on both a bit more and made them two separate books. Still, very understandable to a general audience.
My rating is more like a 4.25 or so.
Displaying 1 of 1 review