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The use of reflection phase gratings to diffuse sound helps create a listening environment in the home and elsewhere that allows a listener to experience an old-fashioned concert-hall ambience . " A direct product of the work of Eddington and Milne , this effort was based on large dimensionless numbers , such as the ratio of the electrical and gravitational forces between an electron and a proton . " Both sides are finding it difficult to surrender their positions . " " America has already spent almost $ 400 billion on this war , too much of which has been wasted on boondoggles like Olympic-sized swimming pools in unused multimillion-dollar training camps in the desert , " said Reid , D-Nev . Here 's another generalization that comes out of Schlatter 's work : Any design with an odd number of rows and an odd number of columns with an odd number of horizontal mirrors ca n't be drawn as a single loop . Democrats challenged those projections , contending that Bush would achieve a surplus only by leaving out the many billions of dollars Congress is expected to spend to keep the alternative minimum tax from ensnaring millions of middle-class taxpayers . In the long term , he cautions , " if every seller then starts incorporating advanced features [ such as images ] in their auctions , this will become a matter of comparative parity , where you do n't receive any benefit from incorporating these features , but need to incorporate them merely to sell your item . Berlekamp calls this phase " pre-Clobber . can produce more accurate digital representations of all kinds of samples , including those that [ conventional ] methods handle poorly or cannot handle at all , " Aldroubi explained in an article in Exploration , Vanderbilt University 's online research magazine . They describe this pursuit as " rainbow " Ramsey theory . 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 . These ideas formed the basis of Kepler 's first major astronomical work , the Mysterium cosmographicum . ) , this does not appear in the first 107 terms , " the researchers observed . Was it an isolated case , affecting only Robinove 's particular unit or perhaps one manufacturing run of the device ? Congress has rejected both four years in a row . Both puzzles present interesting and varied challenges . Indeed , some sequences of notes result from little more than a slowly changing phase relationship between oscillations governing air pressure and those controlling labial stiffness . Called reflection phase gratings , these panels scatter sound waves . Another such avenue is the use of data-mining techniques , applied to electronic sales data now readily available to most retailers , to assess how sales of one product influence those of another in a different category and , hence , affect total profitability . These factors generally correspond to everyday situations : mistimed traffic signals , a blocked lane , the narrowing of a freeway to fewer lanes , a busy exit or entry ramp , a truck slowly grinding its way up a hill . An Enviga Web site claims that the drink 's blend of green tea and caffeine burns more calories than it contains and can help drinkers maintain an ideal weight . " I have n't closed the door on others , but I recognize it would be easier on me , easier on her and easier on the family , and those are the people that are important in a marriage , " he said of his desire to meet and marry someone with Coptic roots .