Shapely photons break rules to fly slower than light

Light is the fastest thing around, but shaped beams travel slower than expected, even in a vacuum. No need to throw your physics textbooks out yet though

















from New Scientist - Online news http://feeds.newscientist.com/c/749/f/10897/s/429af916/sc/10/l/0L0Snewscientist0N0Carticle0Cdn268370Eshapely0Ephotons0Ebreak0Erules0Eto0Efly0Eslower0Ethan0Elight0Bhtml0Dcmpid0FRSS0QNSNS0Q20A120EGLOBAL0Qonline0Enews/story01.htm