Roads need constant repair. Rain, snow and other moisture seeps into the asphalt and — if it freezes — expands, breaking it apart and creating potholes. In today’s talk, given at TEDxDelft, civil engineer Erik Schlangen reveals a fascinating solution: a road that is able to heal. He gives a demonstration of a new type […]
Stories for "life"
On January 17, 2009, at 3:24pm, Flight 1549 took off from New York’s LaGuardia Airport as normal. Five minutes later, it had crash-landed in the Hudson River. While the heroic landing of Captain Chesley “Sully” Sullenberger has become the stuff of aviation legend, during the white-knuckle landing his passengers had no idea whether they would […]