How Feynman Diagrams Almost Saved Space

Over 20 years ago, Frank Wilczek asked Richard Feynman one of the most disturbing questions in physics: Why doesn't empty space weigh anything? Frank Wilczek, Nobel Prize winner and former Faculty Member in the School of Natural Sciences, explains how Feynman’s famous diagrams failed to answer that particular question, but continue to help scientists tackle other central problems in physics. Read more http://ow.ly/XKMT301ZybI via Quanta Magazine.