Word: torsional
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...Lincoln Logs. And many great toys are accidents or improvisations, a serenade by kids whose first drum set is a wooden spoon and a tin pot. Play-Doh was invented as a wallpaper cleaner. In 1943 a Navy engineer trying to smooth the sailing of battleships found that a torsion spring would "walk" when knocked over. If you stretched all the Slinkys sold since then end to end, I'm told, they would circle the earth more than 125 times. (See the top 10 children's books...
...serious short-term risks of egg donation are much better understood: ovarian hyperstimulation syndrome, ovarian torsion or ruptured ovarian cysts. In late 2008, a study of 587 egg donors who underwent a total of 973 cycles of ovarian stimulation at a single clinic in New York City found serious complications in 0.7% of the cycles and minor complications severe enough to prompt donors to seek medical attention in 8.5% of the cycles...
...while working as a mechanical engineer in Philadelphia, Richard James saw a torsion spring fall off his desk and tumble end over end across the floor. "I think I can make a toy out of this," he later said. Two years afterward, all 400 of the toy's first run sold in 90 minutes--launching the Slinky craze...
...there's "a black art to getting it all set up," says Smith. Depending on the weather or track conditions, mechanics will tinker with the transmission, or slide the wheels in or out along the axle to adjust a kart's handling. They can soften the ride with torsion bars, support the driver's seat to alter the load going into a corner, and switch between slick and treaded tires. Early exposure to those details "explains why people like [Hamilton] are that good," says Martin Hines, boss of the Hertfordshire-based Zip Kart Young Guns team, which backed Hamilton when...
...exclude the diagnosis of acute appendicitis but also to provide an alternative diagnosis that could explain the symptoms,” said Pedrosa. “That actually includes some patients in whom we did recognize other sources of abdominal pain that require surgical treatment, like for example ovarian torsion and recognize degenerative fibroids, benign tumors in the uterus.” The researchers conducted the study on 51 pregnant women who came to the hospital to get catscans by also offering them free MRIs. According to Deborah Levine, assistant professor at HMS and an author of the study...