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Abbreviation for Pounds

The Question: I have had a unsuccessful search for the origin of the abbreviation "lbs." which is used for pounds. What does it stand for, and where did it…

How many schools require uniforms?

The Question: How many schools have adopted uniforms or standardized dress? The Answer: School officials have been tightening security measures all over…

Weather: Radar—Scanning the Skies

Radar—Scanning the SkiesWeatherRadar and SatellitesRadar—Scanning the SkiesDoppler—the New GenerationSatellites—a Far-Out LookThe Modern EraPutting It All Together The first radar (radio detection…

How fast could dinosaurs walk or run?

Estimates of dinosaur speeds vary because several different methods are used to calculate them. One recent estimate suggests that an average person might have been able to to outrun an adult…

Ellen Dorrit Hoffleit Biography

scientistDied: April 9, 2007 (New Haven, Connecticut) Best Known as: astromoner and author of "The Bright Star Catalogue" Astromer who compiled "The Bright Star…

How Much Paper in One Tree

The Question: How many pieces of paper will one tree make? The Answer: Since trees are different sizes, it would be difficult to say how much paper comes…

Jean-Claude Vrinat Biography

restaurant ownerDied: January 7, 2008 (Paris, France) Best Known as: owner and director of Taillevent restaurant in Paris Owner of the famous Taillevent…

Robert Matsui

CongressmanBorn: 1941 A graduate of the University of California at Berkeley and Hastings College of Law, Matsui established a private law practice in 1967. He was elected to the Sacramento City…