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" I discovered the equation of the heart while trying to construct surfaces with complex singularities , " Taubin says . " We do n't feel comfortable sharing our faith with non-Coptic people . " This striking ( and perhaps cryptic ) passage contrasting the continuous and the discrete starts off the 11th book of the epochal novel War and Peace by Leo Nikolayevich Tolstoy ( 1828-1920 ) . The researchers estimate that these nanocomputers could collectively perform a billion operations per second with greater than 99.8 percent accuracy per operation while consuming less than a billionth of a watt of power . Sales figures through Dec. 23 from 16,000 conventional supermarkets , not including big-box stores such as Wal-Mart or Costco , showed an overall 14 percent drop in spinach sales from a year ago , according to the Perishables Group . " He had a nickname for everyone , and he could be seen glad-handing his way through lunch at the CIA 's seventh-floor executive dining room . But Congress has ignored these same recommended cuts in the past , including an attempt last year to kill the Commodity Supplemental Food Program , which provides nutritionally balanced boxes of food to about a half-million poor people per month . Suppose that each integer from 1 through 9 is printed on a page in one of two colors , either red or blue ( shown below in bold ) . In evaluating different assortments in each category , they discovered that relatively small changes in product assortment could boost profits by as much as 25 per cent . Optimistic for changeIn his report , Hooser wrote that while the coalition deliberations have been " passionate and painful , " they are beginning to produce the outlines of " what is likely to be a delicately balanced compromise package of changes to the law . The number of " free riders " also grows while the most productive agents begin to leave . Axtell 's model , which emphasized interactions between individuals with different characteristics and the collective behavior that emerges as a result , provides an intriguing , though simplified picture of the evolution of firms . How about a tingly peppermint foot scrub while having your fillings replaced ? While attending Hunter , Happersett started playing with the idea of creating her own visual language based on markings drawn in the boxes of a surface-spanning grid . For the coloring shown above , the three red numbers 1 , 5 , 9 form an arithmetic progression with a common difference of 4 . While Pelosi introduced the president from a lectern bearing the slogan " Governing for a New Direction , " the president spoke from his own lectern a few feet away emblazoned with the presidential seal . " My mentor and I made a computer program that went through many values , " Licht says . On the surface of a sphere , the shortest distance is along a segment of a great circle passing through the points . The computer version of Scrabble provided an average of 2.84 vowels per hand , quite close to the expected number , 2.94 vowels per hand .