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12 posts tagged with nature *and* philosophy.

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## Who do you mean by we?

*Sapiens: A Brief History of Humankind*by Yuval Noah Harari - "The book delivers on its madly ambitious subtitle by in fact managing to cover key moments in the developmental history of humankind from the emergence of

*Homo Sapiens*to today's developments in genetic engineering." Also btw, check out Harari on the myths we need to survive, re: fact/value distinctions and their interrelationships.

## A ponderous, scholastic joke

On the Nature of Things Humanity Was Not Meant to Know: Cosma Shalizi considers Lucretius'

*De Rerum Natura*('On the Nature of Things') as a "real-life*Necronomicon*, a book full of things humanity was not meant to know."## The free development of each is the condition of the war against all

Some Paths to the True Knowledge[*] - "

*Attention conservation notice*: A 5000+ word attempt to provide real ancestors and support for an imaginary ideology I don't actually accept, drawing on fields in which I am in no way an expert. Contains long quotations from even-longer-dead writers, reckless extrapolation from arcane scientific theories, and an unwarranted tone of patiently explaining harsh, basic truths. Altogether, academic in one of the worst senses. Also, spoilers for several of MacLeod's novels, notably but not just*The Cassini Division*. Written for, and cross-posted to, Crooked Timber's seminar on MacLeod, where I will not be reading the comments."## Nothing is the most important part of the Universe.

The concept of nothing is as old as zero itself. How do we grapple with the concept of nothing? From the best laboratory vacuums on Earth to the vacuum of space to what lies beyond, the idea of nothing continues to intrigue professionals and the public alike.
Join moderator and Hayden Planetarium Director Neil deGrasse Tyson as he leads a spirited discussion with a group of physicists, philosophers and journalists about the existence of nothing. The event, which was streamed live to the web, took place at the American Museum of Natural History on March 20, 2013. [more inside]

## the power and beauty of mathematics

## direct realism

The Nature of Computation - Intellects Vast and Warm and Sympathetic: "I hand you a network or graph, and ask whether there is a path through the network that crosses each edge exactly once, returning to its starting point. (That is, I ask whether there is a 'Eulerian' cycle.) Then I hand you another network, and ask whether there is a path which visits each node exactly once. (That is, I ask whether there is a 'Hamiltonian' cycle.) How hard is it to answer me?" (via) [more inside]

## noncommutative balls in boxes

Morton and Vicary on the Categorified Heisenberg Algebra - "In quantum mechanics, position times momentum does not equal momentum times position! This sounds weird, but it's connected to a very simple fact. Suppose you have a box with some balls in it, and you have the magical ability to create and annihilate balls. Then there's one more way to create a ball and then annihilate one, than to annihilate one and then create one. Huh? Yes: if there are, say, 3 balls in the box to start with, there are 4 balls you can choose to annihilate after you've created one but only 3 before you create one..." [more inside]

## Christopher Alexander lectures at Berkeley

Legendary architect-philosopher Christopher Alexander delivers a fascinating lecture at Berkeley, in which he criticizes "modular" design and offers a radical new vision of architecture's relation to nature. Alexander is best known for

*A Pattern Language*, which aimed to make buildings and towns more "alive" through a series of pleasing and comfortable patterns (five sample patterns can be found here). His most recent work, the four-part*The Nature of Order*, theorizes that life, whether organic or inorganic, emerges from a single simple process, which can be found on page 4 of Amazon's preview of the third volume. In the first volume Alexander lists fifteen properties that make a structure whole. Also worth reading: Alexander's classic essay A City is not a Tree.## The Strangest Man

*The trend of mathematics and physics towards unification provides the physicist with a powerful new method of research into the foundations of his subject, a method which has not yet been applied successfully, but which I feel confident will prove its value in the future. The method is to begin by choosing that branch of mathematics which one thinks will form the basis of the new theory. One should be influenced very much in this choice by considerations of mathematical beauty.*[1939] [more inside]

## Learning can be fun.

Science sites of all kinds for kids. Archeology. Entomology. Natural Symphony. Baseball in Space. Philosophy. Process or Content. Science songs. Physics songs, relativity. String theory. Science and Art.

## EverytEverything I Know-Bucky Fuller

Everything I Know-Buckminster Fuller During the last two weeks of January 1975 Buckminster Fuller gave an extraordinary series of lectures concerning his entire life’s work. These thinking out loud lectures span 42 hours (audio and text available) and examine in depth all of Fuller's major inventions and discoveries from the 1927 Dymaxion house, car and bathroom, through the Wichita House, geodesic domes, and tensegrity structures, as well as the contents of Synergetics.

## You have evolved to like this interview.

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