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Critical thinking web

Critical thinking web
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Color Wheels are wrong? How color vision actually works. Color theory is a little obsession of mine. You’re here for startup advice, but this week I’m taking an indulgence. Leave a comment if you want to see more or fewer of these little distractions. Why are artists special? Ask any artist to explain how color works, and they’ll launch into a treatise about how the Three Primary Colors: red, blue, and yellow form a color “wheel:” Why “wheel?” Continuing this process produces the infamous color wheel you probably learned in school; a pretty, symmetrical, satisfying device in which each hue melds seamlessly and linearly into the next: Unfortunately, none of this stands up to even minor scrutiny. For example, open up your desktop printer and you’ll see something quite different: Three colors of ink which, when combined, produce all others: cyan, magenta, and yellow. But wait! Also it’s not as simple as saying “any three colors can produce all the others” because that’s clearly not true (by experiment). TVs and computers are different yet again.

E316K -- Bremen I think that if there is any value in hearing writers talk, it will be in hearing what they can witness to and not what they can theorize about. My own approach to literary problems is very like the one Dr. Johnson's blind housekeeper used when she poured tea–she put her finger inside the cup. These are not times when writers in this country can very well speak for one another. In the twenties there were those at Vanderbilt University who felt enough kinship with each other's ideas to issue a pamphlet called, I'll Take My Stand, and in the thirties there were writers whose social consciousness set them all going in more or less the same direction; but today there are no good writers, bound even loosely together, who would be so bold as to say that they speak for a generation or for each other. The social sciences have cast a dreary blight on the public approach to fiction. Henry James said that Conrad in his fiction did things in the way that took the most doing.

Geometry of the Universe Can the Universe be finite in size? If so, what is ``outside'' the Universe? The answer to both these questions involves a discussion of the intrinsic geometry of the Universe. At this point it is important to remember the distinction between the curvature of space (negative, positive or flat) and the toplogy of the Universe (what is its shape = how is it connected). There are basically three possible shapes to the Universe; a flat Universe (Euclidean or zero curvature), a spherical or closed Universe (positive curvature) or a hyperbolic or open Universe (negative curvature). All three geometries are classes of what is called Riemannian geometry, based on three possible states for parallel lines always divergent (hyperbolic) or one can think of triangles where for a flat Universe the angles of a triangle sum to 180 degrees, in a closed Universe the sum must be greater than 180, in an open Universe the sum must be less than 180.

Czech and Slovak Cinema The Russian tanks rolled into Prague in August 1968, and the country was cowed into toeing Moscow's political line. Funnily enough, the definitive end to the Prague Spring didn't happen until almost a year later with an ice hockey match some 650 miles away in Stockholm. It was the first major international sporting event between Czechoslovakia and the USSR since the invasion, and the Czechs splurged their hoarded foreign currency allowances to be able to attend and hold up signs such as "Your tanks won't help you now." The Czechoslovak players, meanwhile, covered up the red stars on their jerseys. If such provocations weren't enough, Czechoslovakia won the game 2-0, and a massive celebratory riot broke out in Prague during which the offices of Aeroflot, the Russian state airline, were trashed. Otakar Vávra's Witches' Hammer (Kladivo na carodejnice, 1969) is more allegorical, but it doesn't take too much to see through his portrayal of the 17th century. "Dimensions of Dialogue"

Clocks Metric (or Decimalized) Time The day is divided into 100 parts (centidays), plus decimal fraction. Think of it as a percent of the day. The "Universal Metric Time" is based on the International Date Line. Hexadecimal Time The day is divided up into 65536 parts and written in hexadecimal (base-16) notation (A=10, B=11 ... Much more information about this can be found at Intuitor Hexadecimal Headquarters. Octal Time Octal Time uses a base-8 system (digits 0-7). Base64 Time Base-64 uses ASCII characters (in ascending order: A-Z, a-z, 0-1, +, and /). Binary Time Like hexadecimal time, the day is divided into 65536 parts, only we display it as a binary number using squares for bits, here using dark squares to represent 1 and white for 0. This can be viewed as a variation of hexadecimal time by dividing it into four 2x2 blocks of squares, each block corresponds to a digit of hexadecimal time. Mayan Time

Palace Original Articles click on image below to view article The Last Chapter Blacklist Postage Paid High Heels on Wet Pavement The best American film ever produced? Mystique Screwball Comedy Midnight Ramble After the Apex More Hollywood Ten Two From Siodmak With Kubrick Double Indemnity Style Out of the Past Ball of Fire Film Noir? BELT DRIVE TURNTABLE Philips Thorens Verdier Melco Micro Mercure NOTES DIY Mr. Yamamura and the Melco Turntables A few years earlier, in 1981, I stumbled upon the Melco turntables which were for the first time on display in Paris. I had an interesting conversation with Mr. Yamamura. With his firm Belco in London he imported these heavy turntables which boasted of platters weighing which boasted of platters weighing up to 35 kg. Platter Damping and Constant Speed In the process Alexander and I had experienced all sorts of construction problems that needed specific solutions: damping, decoupling, mechanical and acoustical feedback, constant speed, etc.

Report - It’s story time: Natyarangam’s Bharatham Kathai Kathaiyaam (Part 2) - Lalitha Venkat It’s story time: Natyarangam’s Bharatham Kathai Kathaiyaam (Part 2) Text & pics: Lalitha Venkat, Chennai e-mail: August 24, 2011 Aug 15 The evening started out interestingly. I asked the auto driver, how much to Narada Gana Sabha? He replied in English, “Three zero.” Definition of godliness was the theme for US based dancer Vidhya Subramanian, who presented ‘Namavali’ by R Choodamani. How did Vidhya work upon the story? The music could not use any lyrics as per Natyarangam's instructions. I did not want a literal depiction of the story. The parallel story of ‘Krishna-Sudhama’ is a popular one. Aug 16 US based Navia Natarajan was given the story of ‘Asalum Nagalum’ by Indira Parthasarathy. The parallel story of ‘Dhruva’ was the second piece, where the 5 year old child after being hurt by the harsh words of his stepmother Suruchi, goes to the forest to do tapas. “Choreographing the short story initially was quite a challenge as there were no lyrics.

Light & The Eye • scotopic or dim light adapted rods (denoted by V' and containing the photopigment rhodopsin), most sensitive to "green" wavelengths at around 505 nm • short wavelength or S cones, containing cyanolabe and most sensitive to "blue violet" wavelengths at around 445 nm. • medium wavelength or M cones, containing chlorolabe and most sensitive to "green" wavelengths at around 540 nm • long wavelength or L cones, containing the photopigment erythrolabe and most sensitive to "greenish yellow" wavelengths at around 565 nm As the figure shows, there is a large number of differences between rhodopsin (taken as baseline) and the S photopigment, and a similarly large number of differences between the S and M photopigments. Photopigments do not catch light particles the way a bucket catches rain. Measuring Photoreceptor Light Sensitivity. Four kinds of spectra were obtained with four distinct absorptance peaks at 420, 495, 530 and 560 nm. Five Views of the Cone Fundamentals. 1. 2. 3. 4. 5.

சிறுகதைகள் - அத்துவான வெளி தன் வீட்டிலே சும்மாத் தலையோடு வாசல் நடந்துகொண்டு சுகமாக வாழலாம் என எண்ணியவனுக்கு எதிரே வாசலில் பெரிய மரமொன்று பார்வைகொள்ள நிற்கிறது. வாயிற்பக்கம் எப்போதாவது வந்து நின்று போவோர் வருவோர்களைச் சும்மா நின்று கவனிப்புக் கொள்வதில், இந்த மரத்தையும் பார்வையில் பட்டுப்போகுமளவிற்கு வெறித்து நோக்குவது உண்டு. எந்த யுகத்திலிருந்து இது இப்படிக்கு இங்கே ஸ்தலவிருக்ஷமென நிற்கிறது என்பது புரியவில்லை. ஆனந்தமாக அது ஆகாயத்திற்கும் பூமிக்குமாக வளர்ந்து எட்டுத் திக்கையும் நோக்கிப் படர்ந்ததென இருப்பது எதற்காகவென்றும் தெரியவில்லை. பின்னிருந்து ‘என்ன சார் ஸௌக்கியமா? ‘தெரியாதவர்களும் தெரிந்தவர்களென ஏமாற்றுவது உண்டு ஸார்…நான் அப்படிஇல்லை. ‘ஆமாம் ஸார் அப்படி நினைப்பது தவறு’ என்றான் இவன். ‘இப்போது நீங்களா பேசுகிறீர்கள்-நான்தானே-உங்களைப் பிடித்து நான் பேசாதுபோனால் நீங்கள் தெரிந்தும் தெரியாதது மாதிரித்தானே போவீர்கள்…’ என்று உடம்பை நெளித்துக்கொண்டு கெஞ்சும் பாவனையில் பேசிவந்தது இவனுக்குப் பார்க்க பரிதாபமாக இருந்தது. ‘ஆமாம்-’ என்றான் இவன். ‘நானும் அப்படித்தான் நினைத்தேன். இரவு அந்நேரம் கோவிலில் கூட்டமே இல்லை.

1242a - VISTA gigapixel mosaic of the central parts of the Milky Way This striking view of the central parts of the Milky Way was obtained with the VISTA survey telescope at ESO’s Paranal Observatory in Chile. This huge picture is 108 200 by 81 500 pixels and contains nearly nine billion pixels. It was created by combining thousands of individual images from VISTA, taken through three different infrared filters, into a single monumental mosaic. These data form part of the VVV public survey and have been used to study a much larger number of individual stars in the central parts of the Milky Way than ever before. This image is too large to be easily displayed at full resolution and is best appreciated using the zoom tool. Credit: ESO/VVV Survey/D. 9 Of The World's Most Inspiring Infographics We spend lots of time here at Co.Design hunting down the smartest and most creative infographics to feature daily, but we’re limited by what’s available on the web, what we have permission to publish, and what languages we (and you) can understand. Here to pick up where Infographic of the Day leaves off is Information Graphics (Taschen, April 2012), a 480-page doorstopper of a book that offers up a mind-boggling selection of infographics, many plucked from the furthest reaches of the media firmament. It has more than 400 examples, ranging from an illustration of stalled building projects in a Dutch design rag to a Nicholas Felton-designed chart of traffic to a map of sonar and whale songs courtesy of a Danish geological institute. Preorder Information Graphics here.

Murphy Laws