
In the run-up to this year’s Winter Olympics, and even as the Games have got underway, a scandal has been brewing: allegedly, some competitive ski jumpers may have artificially enlarged their crotch area by injecting their genitals with engorging chemicals or stuffing their underwear to create bigger bulges. The apparent reason: to alter their suit measurements and, reportedly, to gain a boost in jumps.The allegations, dubbed “Penisgate,” have caught not only the Internet’s attention but also the World Anti-Doping Agency’s eye. It raises an important science question: How does a slight increase in a jumper’s suit surface area change their jumping distance? Let’s start with the crotch. According to rules issued by the International Ski and Snowboard Federation (FIS), the body that regulates ski jumping, “crotch height” measurements for an athlete’s suit are taken by laser. So, in theory, if an athlete’s crotch is a little larger, they would get a slightly roomier suit than they might otherwise. (via Scientific American)
These high-school students built an airplane in shop class and then they flew it

A remarkable high school aerospace program in Sandpoint, Idaho, reached a milestone that few youth aviation initiatives ever achieve — FAA airworthiness certification for not one, but two student-built aircraft. Now those planes have taken flight, piloted by a former student who helped build one of them. When the Federal Aviation Administration inspector signed off on airworthiness certificates for a Van’s RV-12 and a Zenith STOL CH 750, it validated years of Saturday morning labor by middle and high school students who’d gathered in rented hangars at Sandpoint Airport. But getting the FAA’s approval stamp was only half the story. The real vindication came when Eric Gray, a former ACES (Aerospace Center of Excellence Sandpoint) student who’d worked on the Zenith during his own high school years, climbed into the cockpit as the qualified test pilot for both aircraft. It’s the kind of full-circle moment that validates not just the technical competency of the program, but its deeper mission, to create a pipeline from teenage curiosity to aerospace careers.(via KitPlanes)
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