Black Boxes

With the train's black box showing that the speeding commuter train entered a 30 M.P.H curve at 82 M.P.H, causing the derailment, attention has turned toward the engineer. CNN reports that the engineer admits to "nodding off" before the crash.
Dec 4, 2013   The New York Times - N.Y. / Region
Increasingly utilized as 'black boxes' in the aftermath of collisions with motorized vehicles, video cameras are the newest addition to the arsenal of tools being employed to make streets safer for bikes.
Jul 23, 2012   The New York Times