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Home Khitan Between the 10th and 12th centuries CE, the nomadic Khitan dominated a large swath of Mongolia and Manchuria and created the Liao Dynasty, a substantial rival to China's Song Dynasty. They spoke an Altaic language, likely under the Mongolic family of languages. To write down their language, the Khitan people employed two distinct scripts in parallel. The first one, simply called the "large script" by Chinese sources, came into use at approximately 920 CE.
Spirals Belousov's Brew. A recipe for making spiraling patterns in chemical reactions. Equiangular spiral.
(or, "Size Is Everything") She studied it carefully for about 15 minutes. Finally, she spoke. "There's something written on here," she said, frowning, "but it's really teensy." A Whirlwind Tutorial on Creating Really Teensy ELF Executables for Linux
History In 1885, French mathematician Édouard Lucas posed an arithmetic problem during a session of the Académie française. Genaille, already known for having invented a number of arithmetic tools, created his rulers in the course of solving the problem. He presented his invention to the Académie française in 1891. Genaille–Lucas rulers
My First Eight Drains My First Eight Drainsby drainer-wannabe Ninjalicious Meters below the busy streets above, a hidden concrete utopia snakes its way from the downtown core out beyond the suburbs. Concrete pipes conduct our urban stormwater to strange fringe areas known as forests, meadows, riverbanks and seashores — a gallery of horrors collectively known as nature.
7 Man-Made Substances that Laugh in the Face of Physics The universe is full of weird substances like liquid metal and whatever preservative keeps Larry King alive. But mankind isn't happy to accept the weirdness of nature when we can create our own abominations of science that, due to the miracle of technology, spit in nature's face and call it retarded. That's why we came up with... What do you get when you suspend nanoparticles of iron compounds in a colloidal solution of water, oil and a surfactant? Did you guess Zima? The real answer is ferrofluids, though you should be proud if you just knew what "surfactant" was.
Here Is a Fence that Will Give You Nightmares
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In General | 166 comments | permalink Here is a bizzare e-mail discussion I had with a guy who contacted me yesterday. xxxUPDATExxx I have posted the second part of this, you can view it here: Second bizarre email ——-Original Message——- From: xxxxx xxxxxxxxx Date: 12/8/2006 xx:xx:xx PM To: Dean Hunt Subject: DeanHunt.com Google Removal Request Hello Dean, Bizzare Google Request
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Citation: Brinkworth RSA, O'Carroll DC (2009) Robust Models for Optic Flow Coding in Natural Scenes Inspired by Insect Biology. PLoS Comput Biol 5(11): e1000555. doi:10.1371/journal.pcbi.1000555 Editor: Lyle J. Graham, Université Paris Descartes, Centre National de la Recherche Scientifique, France Received: June 15, 2009; Accepted: October 2, 2009; Published: November 6, 2009 Robust Models for Optic Flow Coding in Natural Scenes Inspired by Insect Biology
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We lose 10,000 of these things every year! (c) 2004 MBARI Right now, as you read this, there are five or six million shipping containers on enormous cargo ships sailing across the world’s oceans. And about every hour, on average, one is falling overboard never to be seen again. 10,000 Shipping Containers Lost At Sea Each Year…Here’s a Look At One
Start-up to release 'stone-like' optical disc that lasts forever News August 8, 2011 06:05 AM ET Recordable optical media such as CDs, DVDs and Blu-ray discs are made of layers of polycarbonate glued together. One layer of the disk contains a reflective material and a layer just above it incorporates an organic transparent dye. During recording, a laser hits the die layer and burns it, changing the dye from transparent to opaque creating bits of data. A low power laser then can read those bits by either passing through the transparent dye layer to the reflective layer or being absorbed by the pits.
Flying is also fun and challenging. You have to think and act in three dimensions. You have the freedom to move to a lot of new spots on the globe. You learn to examine and appreciate scenery and natural phenomena that you'd never be able or wouldn't bother to see from the ground. Charles Lindbergh put it best: "Science, freedom, beauty, adventure." Sadly Lindbergh was, in addition to being a great aviator, a supporter of the Nazis. Flying