LEE SMOLIN THE LIFE OF THE COSMOS PDF

Beginning at the turn of the century, with the discovery of relativity and quantum mechanics, this second revolution has collapsed the elegant old Newtonian universe. Yet physicists have yet to complete a replacement, as they search for a grand unified theory. Now cosmologist Lee Smolin offers a startling new approach--a theory of the universe that is at once elegant, comprehensive, and radically different from anything proposed before. In The Life of the Cosmos, Smolin cuts the Gordian knot of cosmology with a simple, powerful idea: "The underlying structure of our world," he writes, "is to be found in the logic of evolution.

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Overview[ edit ] In the book, Smolin details his Fecund universes which applies the principle of natural selection to the birth of universes. Smolin posits that the collapse of black holes could lead to the creation of a new universe. This daughter universe would have fundamental constants and parameters similar to that of the parent universe though with some changes, providing for both inheritance and mutations as required by natural selection.

However, while there is no direct analogue to Darwinian selective pressures, it is theorised that a universe with "unsuccessful" parameters will reach heat death before being able to reproduce, meaning that certain universal parameters become more likely than others. Review[ edit ] Is cosmological natural selection a theory?

Yes, because it is testable. Hence if one changes a coupling constant or a particle mass, the number of black holes should decrease. Theorists can analyze the effects of such a variation through calculations and computer simulations. Unfortunately, it is currently quite difficult to perform such an analysis because a change in a parameter affects the Universe in many disparate ways. The rate of expansion of the Universe, the collapsing processes that build stars, stellar evolutions and supernova production would all change.

There are about 20 parameters that can be varied. Since each may be increased or decreased, there are about 40 tests of the cosmological natural selection principle. The Life of the Cosmos is well written in a highly intellectual style. For example, here are some sentences from a typical paragraph: ". If we were interested only in feeling better about ourselves, we might be happy to jump from vitalism to a kind of pantheism according to which life exists because the universe is itself alive.

But our goal should be more than inventing a story that explains what we are doing in the universe. What is needed is a deeper understanding of what both life and the universe are that allows us to comprehend why it is natural to find one inhabited by the other.

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The Life of the Cosmos

Lee Smolin proposes a thought-provoking cosmological theory of cosmic natural selection to explain the complexity of the universe. In doing so, he dives into the discussion of self-organized complex physical systems and relativity. This is where the heart of the book lies, the life of such a cosmos. The book is very fun to read and is packed with information, both physics and philosophy, on the very basic, most abstract properties of the world. The ending is absolutely beautiful as well. I feel that this book will be very important in the future, although it is viewed as a mere popular science book right now. Highly influential.

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Life Of The Cosmos

Smolin was born in New York City. He received his Ph. D in theoretical physics from Harvard University in He was a visiting scholar at the Institute for Advanced Study in [5] and a visiting professor at Imperial College London before becoming one of the founding faculty members at the Perimeter Institute in

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Lee Smolin

Overview[ edit ] In the book, Smolin details his Fecund universes which applies the principle of natural selection to the birth of universes. Smolin posits that the collapse of black holes could lead to the creation of a new universe. This daughter universe would have fundamental constants and parameters similar to that of the parent universe though with some changes, providing for both inheritance and mutations as required by natural selection. However, while there is no direct analogue to Darwinian selective pressures, it is theorised that a universe with "unsuccessful" parameters will reach heat death before being able to reproduce, meaning that certain universal parameters become more likely than others. Review[ edit ] Is cosmological natural selection a theory? Yes, because it is testable. Hence if one changes a coupling constant or a particle mass, the number of black holes should decrease.

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