Is Racewalking a Sport?

What is a sport? Do arbitrary and technophobic rules matter? Help share science with the world and translate MinutePhysics into other languages! translate.minutephysics.com Also, explore a map of the big bang! http MinutePhysics is on Google+ – bit.ly And facebook – facebook.com And twitter – @minutephysics Minute Physics provides an energetic and entertaining view of old and new problems in physics — all in a minute! Music by Nathaniel Schroeder – www.soundcloud.com Thanks to Nima Doroud for contributions and to Perimeter Institute for support. www.perimeterinstitute.ca