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Quantum Space

Loop Quantum Gravity and the Search for the Structure of Space, Time, and the Universe

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About this listen

Today we are blessed with two extraordinarily successful theories of physics. The first is Albert Einstein's general theory of relativity, which describes the large-scale behavior of matter in a curved spacetime. The second is quantum mechanics. This theory describes the properties and behavior of matter and radiation at their smallest scales.

But, while they are both highly successful, these two structures leave a lot of important questions unanswered. They are also based on two different interpretations of space and time, and are, therefore, fundamentally incompatible. We have two descriptions, but as far as we know, we've only ever had one universe. What we need is a quantum theory of gravity.

Approaches to formulating such a theory have primarily followed two paths. One leads to String Theory, which has for long been fashionable, and about which much has been written. But String Theory has become mired in problems. Combining clear discussions of both quantum theory and general relativity, this book offers one of the first efforts to explain the new quantum theory of space and time.

PLEASE NOTE: When you purchase this title, the accompanying PDF will be available in your Audible Library along with the audio.

©2018 Jim Baggott (P)2019 Tantor Physics Science Mathematics Space Time Physics
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A heavy listen for a layman but thought provoking and informative. personally i would say that gravity emerges from the space time displacement caused from matter, and that gravitational force is the result of space time trying to return to an equilibrium , or original state before matter was present.so to see the effects of gravity at the quantum level one would need an observation of space time with and without the presence of matter in a quanta of spacetime.

Thought provoking

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This is a very engaging study of String Theory and Loop Quantum Gravity. it contains some interesting biographical material of Lee Smloin and Carlo Rovelli. In general a great story and well told. The narration is a little flat but perfectly acceptable.

Fascinating story.

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This book brings together scientific explanations with historical ones, giving a great context to the discussions and discoveries presented, but it’s rather content heavy. Some background knowledge is needed to keep up

Quite technical

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