27 JUL 2018 by ideonexus

 Claude Shannon's "Entropy House"

Built in 1858, the house was constructed for Ellen Dwight, a great-granddaughter of a genius tinkerer of an earlier era, Thomas Jefferson. Originally seated on twelve acres, its design was inspired by Monticello. Encircled by “a three-sided verandah with segmental openings and chamfered posts,” the house was a stately three stories at the crest of a “broad expanse of lawn reaching down to the wooded shore of Upper Mystic Lake.” Toward the end of Shannon’s life, it was added to the N...
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30 JAN 2012 by ideonexus

 Trees are Made of Air

By blending water and minerals from below with sunlight and CO2 from above, green plants link the earth to the sky. We tend to believe that plants grow out of the soil, but in fact most of their substance comes from the air. The bulk of the cellulose and the other organic compounds produced through photosynthesis consists of heavy carbon and oxygen atoms, which plants take directly from the air in the form of CO2. Thus the weight of a wooden log comes almost entirely from the air. When we bur...
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Sounds much like the Richard Feynman quote.

03 JAN 2011 by ideonexus

 The Perspectives Game

I got a kick, when I was a boy, [out] of my father telling me things, so I tried to tell my son things that were interesting about the world. When he was very small we used to rock him to bed, you know, and tell him stories, and I'd make up a story about little people that were about so high [who] would walk along and they would go on picnics and so on and they lived in the ventilator; and they'd go through these woods which had great big long tall blue things like trees, but without leaves a...
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A game Feynman played with his father, describing a fantastic scene, and the object of the game was to figure out where it was taking place and from what perspective.

03 JAN 2011 by ideonexus

 Cargo Cult Science

In the Solomon Islands, as many people know, the natives didn't understand the airplanes which came down during the war and brought all kinds of goodies for the soldiers. So now they have airplane cults. They make artificial landing strips and they make fires along the landing strips to imitate the lights and this poor native sits in a wooden box he's built with wooden earphones with bamboo sticks going up to represent the antenna and turning his head back and forth, and they have radar domes...
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When we accept scientific "facts" unquestioningly, we are like the islanders who built fake airfields to beckon cargo planes from the sky.