On a treadmill, what kind of slope/incline% should I set to simulate the strength needed for normal outdoor running? [more inside]
posted by lord_yo on Nov 19, 2008 - 8 answers

PhysicsFilter: The Great Racquetball-in-the-Eye Debate [more inside]
posted by frogan on May 25, 2006 - 21 answers

Skateboard filter: [more inside]
posted by TeamBilly on Mar 28, 2005 - 9 answers

Baseball Physics: Baseball announcers like to talk about how a sharply hit ground ball can "pick up speed" when it bounces off the infield grass (or, more often, turf). Is this possible? [more inside]
posted by jpoulos on Aug 17, 2004 - 18 answers