With Regard to the Footballs

One of the top comments on yesterday's post about a picture of Sirs Patrick Stewart and Ian McKellen all geared up for the Super Bowl came from NGEFAN, who wrote: "I've never understood the dislike/indifference towards American football and sports in general that people have on here." On that point, I'd like to… » 2/02/14 10:15am 2/02/14 10:15am

The physics of "the Impossible Goal" scored by Roberto Carlos

Whether or not you're enthralled by the World Cup, this Roberto Carlos score — dubbed "the Impossible Goal" — is a wonder from the perspective of physics. » 6/16/10 6:20am 6/16/10 6:20am