Two leaders of "Faster-Than-Light" Neutrino Team Resign

On the morning of September 22, 2011, OPERA spokesperson Antonio Ereditato announced to the world that members of the OPERA experiment had observed neutrinos traveling faster than the speed of light. The next day, experimental coordinator Dario Autiero presented the team's findings at an internationally broadcasted… » 3/30/12 12:12pm 3/30/12 12:12pm

Is it time to do away with leap seconds?

For decades, the world has relied on incredibly accurate atomic clocks to keep time; but atomic clocks are much more consistant than the rotation of the Earth, which varies in speed ever-so-slightly as it spins about its axis. Consequently, every few years, the time based on the Earth's rotation falls out of sync with… » 1/19/12 8:40am 1/19/12 8:40am