Ideas & Trends: Curtains!; How to Avoid Being Attacked in the Shower
LIKE millions, perhaps even billions, of people, David Schmidt of Amherst, Mass., takes a shower every morning. For the last few years, between first spritz and final drain, a question has vexed him: why does the shower curtain suck in? Today, thanks to $28,000 worth of high- powered computer software , a Ph.D. in engineering and too much free time, Dr. Schmidt, 31, a mechanical engineering professor at the University of Massachusetts, believes he has an answer. It has to do with why airplanes fly, hurricanes twist and apples fall. True, the mystery of the sucking shower curtain does not rank high on the ladder of mankind's challenges, and he himself never encountered a sucking curtain until he showered one day at his mother-in-law's house. There, with the showerhead hissing away, the corner of her gossamer- thin shower curtain billowed in and clung clammily to his leg. ''It sucked beautifully,'' he recalled. For years, apparently, engineering cognoscenti a...