Chemistry of Pyrotechnics: Basic Principles and Theory
Everyone has observed chemical reactions involving pyrotechnic mixtures.
Beautiful 4th of July fireworks, highway distress signals,
solid fuel boosters for the Space Shuttle, and the black powder used
by muzzle-loading rifle enthusiasts all have a common technical background.
The chemical principles underlying... | | The Myth of Southern ExceptionalismMore than one-third of the population of the United States now lives in the South, a region where politics, race relations, and the economy have changed dramatically since World War II. Yet historians and journalists continue to disagree over whether the modern South is dominating, deviating from, or converging with the rest of the nation. Has... | | How Race Car Drivers Use Math (Math in the Real World)The drivers have suited up and climbed into their cars. Engines roar. All eyes are on the checkered flag. The flag drops. The drivers roar off—challenging themselves, their teams, and other drivers to perform to the best of their ability. Math is used by the drivers, by their pit crews, and by race car designers before, during, and after a... |