Physics Buzz

Have you ever seen air frozen solid? What about a tricycle with square wheels that can actually be pedaled? These oddities and more are on display in Real Physics Live , a new series of videos from physics and astronomy students at Texas A&M.

A little over a year ago, a video of two giggling, drinking Germans started making its way around the internet. As they take sips of their beers, the giggles rise sharply in pitch, thanks to the helium that's taken the place of the CO 2  which ordinarily gives beer its carbonated bounce. Each burst of laughter sounds more ridiculous than the last, and the two lose themselves in a chain-reaction of such high-pitched hilarity that it's impossible not to be drawn in and find yourself laughing along. You can check out the video below.