30 JUL 2013 by ideonexus
Aristotle as the First Scientist
Aristotle repeatedly pointed out that his predecessors' work and conclusions were often marred by insufficient observation. He himself, after a remarkable analysis of the reproduction of bees, states that he cannot arrive at certain conclusions because "the facts have not yet been sufficiently ascertained. And if at any future time they are ascertained, then credence must be given to the direct evidence rather than to the theories; and to the theories also, provided that the results which the...Classification of animals, empirical observations... he got much wrong, but to call into question his achievements for this is like criticizing the invention of Calculus because Newton believed in magic.
01 JAN 2012 by ideonexus
Measuring Cultural Information
But there may be more significant ways to characterize civilizations than by the energy they use for communications purposes. An important criterion of a civilization is the total amount of information that it stores. This information can be described in terms of bits, the number of yes-no statements concerning itself and the universe that such a civilization knows. An example of this concept is the popular game of "Twenty Questions," as played on Earth. One player imagines an object or conc...The number of bits communicated in our radio broadcasts is quite enormous, conveying a great deal of information about our culture.