This is a week-old article in Quanta on the subject: https://www.quantamagazine.org/20150514-the-particle-that-broke-a-cosmic-speed-limit/ https://www.quantamag

This is a week-old article in Quanta on the subject: https://www.quantamagazine.org/20150514-the-particle-that-broke-a-cosmic-speed-limit/ https://www.quantamagazine.org/20150514-the-particle-that-br...