What Makes an Equation Beautiful
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Readers of Physics World magazine recently were asked an interesting question: Which equations are the greatest?
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DevShed concludes their series on using the GD graphics libraries in PHP with thie new article focusing on the use of some of the simple filtering functionality the library has to offer.   In this article I'm going to demonstrate how the GD library can be used to apply some basic graphic filters (yes, like Photoshop, but much simpler) by utilizing the versatility of a brand new function called "imagefilter()". As you'll see shortly, with this function it is possible to reverse, blur and highlight the colors of a determined image, as well as convert it to its grayscale version, among other things.   They use the imagefilter function in a few different examples - altering the colors in an image, working with contrast and brightness and various other filters (like smoothing, embossing, blurring and colorizing).
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Scientists have pieced together how a 2,000-year-old astronomical calculator was built, revealing an astounding level of craftsmanship for its time.
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Math.NET aims to provide a self contained clean framework for symbolic mathematical (Computer Algebra System) and numerical/scientific computations, including a parser and support for linear algebra, complex differential analysis, system solving and more   Grab it here: http://community.opensourcedotnet.info/files/folders/mathnet/entry56036.aspx  See also: http://mathnet.opensourcedotnet.info/doc/Releases.ashx
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The German language isn&#39;t normally thought of as being pretty, but that hasn&#39;t stopped the Goethe Institute from holding a competition for German&#39;s most beautiful world.
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The previous article introduced the Doodle drawing application. This week, an application framework is added, complete with a document-view architecture. This powerful programming technique separates the document data from the view. By Guyon Roche. 0929
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Description: Two Israelis and an American have won the Nobel Prize in Chemistry. Their work shows how living cells recycle materials necessary for life.
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Editors: Shlomo Reifman and Samantha N. Wong Researchers: Joshua Brandt, Fei Mei Chan,  Andrew T. Gillies, Soo Jeong, Edward Knudsen,  Artie Kwok, John Ray and Jody Yen Programmer: Carl Subick
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The Piethon benchmark contest is beginning to loom, and the language list discusses how scalars should be interpolated and subscripted.
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A close-up view of the human genome reveals its innermost workings to be far more complex than first thought.
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Observing the image of a faint object that lies close to a star is a demanding task as the object is generally hidden in the glare of the star. Characterising this object, by taking spectra, is an even harder challenge.
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As a theoretical physicist and senior Mathematica developer at Wolfram Research, Michael Trott is responsible for visualizations of complex mathematical expressions that have become the &#147;face&#148; of Mathematica.
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Q: You mentioned several times about chemistry being so important. Whenever you get a group of demanding people together, it is extremely important.
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Sometimes metrics are employed to create an impression that may be inaccurate or incomplete.  Typical marketing favorites include horsepower in automobiles, watts per channel of stereo equipment, and, more recently, megapixels for digital cameras.
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By MIKE SWAIN Science Editor  HERE is the world in all its wonder - captured from space in photographs as beautiful as anything from an artist's brush.   These remarkable pictures come from US space agency Nasa's satellite Earth observatory.
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This week we look at valid names, declaring, initializing and displaying variables and mixed data types. We conclude this section with an introduction to form variables. By Ellie Quigley. 0122
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The renovated New York Hall of Science's new shows include one of the oldest (and best): "Mathematica," a show that continues to inspire wonder and persistent curiosity.