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...three basic particles of antimatter—positron, antiproton and antineutron—share the same masses and magnitudes of charge as those of their counterparts in matter—electron, proton and neutron, but with opposite charges. Just as a proton and electron compose a hydrogen atom, an antiproton and positron make an antihydrogen atom. When matter and antimatter particles collide, they destroy each other in a burst of energy...
...ELECTRON-BEAM COMPUTED TOMOGRAPHY...
Until now. It turns out that excess deposits of calcium in the lining of the arteries, which can be measured using electron-beam computed tomography (EBCT), are a good indication that potentially dangerous fatty plaques exist. The correlation is strong enough that the American Heart Association is weighing a recommendation of EBCT screening for healthy adults who have a greater than average risk of heart disease, including smokers and those with a strong family history. As an added benefit, patients can take home their EBCT image, complete with gummed-up arteries, and use it as a reminder to stick with...
Born in Albany, Rosenbluth received his bachelor’s degree from Harvard as a teenager, graduating Phi Beta Kappa. He went on to receive his doctorate from the University of Chicago in 1949. Soon after, he discovered the Rosenbluth formula for proton electron scattering, which is today a central theory of college-level physics. For this development, he later won the Ernest Orlando Lawrence Award...
...should make everybody think it's a completely different thing." So what else sets Takeshi Kitano's Zatoichi apart from its 26 predecessors? The auteur explains: "Throughout the film there is a feeling of fast action at the contemporary speed of the modern film." Translation: everything from the electron-quick fights to the rapier-thin characterizations is designed to move the film as fast as Zatoichi's blade. Katsu's early Zatoichi films helped free the samurai genre from its funereal pace and inflexible morality. His garrulous Zatoichi loved gambling and sometimes had to be convinced, or bribed...