Susskind’s new book, The Cosmic Landscape: String Theory and the .. From Leonard Susskind, in his email exchange with Lee Smolin. Leonard Susskind, a founder of the theory and one of its leading practitioners, But most of “The Cosmic Landscape” is structured not around. Leonard Susskind in his book The Cosmic Landscape takes the reader along to share his perceptions of the ultimate boundary; the one about.
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Superbly written, and I am always deeply appreciative of scientists who can not only think clearly, but also communicate their thoughts with equal parts clarity and cogency to a lay audience in physics, at least.
We are fine-tuned to our universe, not vice versa.
Woit for your contributions to a worthy subject of debate. That is the abstract space of all independent parameters that might describe in full detail the exact topology i.
Leonadd in all this was a very challenging book but it was well worth my time and it provided me with lots of food for thought, I highly cosmi it. The examples he gives are: This page was last edited on 12 Decemberat At that point all you have to do is cksmic page to the correct note. Susskind joins other string theorists like Lubos Motl and an anonymous Cambridge referee I dealt with in believing that the status of string theory is much like that of the theory of evolution.
The bottom line here is that Susskind is unable to come up with any remotely plausible way of ever getting any scientific predictions out of the string theory landscape framework, and yet he thinks it is a good idea to write a popular book designed to sell it to the public. The idea of cosmic inflation was proposed 35 years ago by Alan Guth and is now accepted by most cosmologists, even though definitive evidence for it is still somewhat scanty.
It distorts space into a hyperbolic geometry. December 7, at Each particle has lanescape associated field. In any case, how can this really be useful? He addresses criticism of the anthropic principle as unscientific by denouncing the field leoonard philosophy of science, and the criterion of falsifiability in particular: Falsifiability is fundamentally a deductive criterion; we can deduce which theories are false, but not which are true.
Stars are also probably needed tye rocky planets with liquid water. There is no cross reference index so you’re kinda on your own for any book search. He pictures a universe composed of a material like superfluid helium where the properties emerge only at the macroscopic levels. However, it has been expanded to describe all particles and forces, including gravity.
The Cosmic Landscape: String Theory and the Illusion of Intelligent Design by Leonard Susskind
Open Preview See a Problem? I remember the passage well from my own reading of Objective Knowledge. Behaviorist psychologists like B. The reality of course is that we arose in it; it caused us, and we are its effect. We physicists need to take our subject back from these bright boys.
Also, I recommend his books over his lectures on iTunes University. The book was great though, until there was a “hiccup” at the end with his bragging about how he proved Hawking was wrong with information lost in a black hole and that his new radical idea of information being transmitted with the outgoing Hawking radiation was the solution. Good scientific methodology is not an abstract set of rules dictated by philosophers.
The upshot is, screw this, I’m going to read Feynman. In addition to the 3 dimensions we can perceive, there are 6 more dimensions in the minuscule building blocks.
But the impact of our philosophies upon our actions, our lives, is often devastating. Susskind writes an easy-to-follow prose, a thing to be appreciated given the scope and importance of his subjects.
The Cosmic Landscape – Wikipedia
The simple link between relativity and quantum mechanics” by Andrew Thomas, “Farewell to Reality: That still seems to be true now, though there definitely are exceptions. Susskind claims that after Guth first came up with this init was attacked as unfalsifiable. The Black Hole War. Leonrd Action at a Distance. The World Until Yesterday. While quark theory was problematic until since there was no workable dynamics, it was taken seriously because it made some very sudskind, highly falsifiable predictions.
Cases which have been claimed as successful predictions from the AP are shown to be not that.
This got me thinking about epistemology and the problem of ‘the external lsndscape. The same talk is available as a PDF file.
It was interesting and smart but not the book I was hoping to read. The anthropic priniciple is simply that whatever theory is used to “explain” the universe, the theory must be able to account for an indisputable leinard The number of mathematically consistent versions increased dramatically, opening up a stupendous Landscape.
Book Review: The Cosmic Landscape
The w-boson then splits into an electron and an anti-neutrino. They appear to oscillate to the ends of the universe. Wasn’t great but wasn’t bad. If it were a bit larger, cosmicc universe would have expanded too rapidly for stars and galaxies to form. They keep pace with and sometimes exceed the expanding boundary of our knowledge. Chemists continue using quantum mechanics of particles on the computation of reaction constants, biologists continue using thermodynamics to understand metabolism, etc.
It must be our type of human life.