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There are at least two senses in which the RULES schemas offer a "formal" way of looking at games. First, the term formal is used in the sense of "form": rules constitute the inner form or organization of games. In other words, rules are the inner, essential structures that constitute the real-world objects known as…
Ownership on the Bitcoin blockchain is determined by a pair of cryptographic keys. The first, called the public key, resides in the blockchain for anyone to see. The second is called the private key, and its owner keeps it safe from view. The two keys have a special mathematical relationship that makes them useful for…
What and where is Flatland? A Square gives us several interesting answers, many of th contradictory. We know that it’s flat, big (but how big?), and very thin, the most important question of all is “how thin?” A lot depends on the answer… A Square himself eliminates the version that’s easiest for three-dimensional…
Another phrase which occurs frequently in the propaganda of Christian fundamentalists is "scientific humanism." Scientific humanism is supposed to be a philosophy standing in opposition to Christian faith. Fundamentalists like to pretend that we have only two alternatives, either scientific humanism or their version…
For the better part of my last semester at Garden City High, I constructed a physical pendulum and used it to make a 'precision' measurement of gravity. The years of experience building things taught me skills that were directly applicable to the construction of the pendulum. Twenty-five years later, I was to develop…
The most effective young Facebook users, however—the ones who will probably be winners if Facebook turns out to be a model of the future they will inhabit as adults—are the ones who create successful online fictions about themselves. They tend their doppelgängers fastidiously. They must manage offhand remarks and…
A Mendelian gene is an all-or-nothing entity. When you were conceived, what you received from your father was not a substance, to be mixed with what you received from your mother as if mixing blue paint and red paint to make purple. If this were really how heredity worked (as people vaguely thought in Darwin's time)…