News tagged with air

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US air controllers still challenged for sleep

(AP)—U.S. air traffic controllers are still working schedules that make it likely they will get little or no sleep before overnight shifts, more than three years after a series of incidents involving controllers ...

Jun 13, 2014
3 / 5 (2) 0

The inflatable concrete dome

A completely new way of building concrete structures has been developed: Scientists at the Vienna University of Technology bend concrete with an air cushion, making complicated timber structures obsolete. ...

Jun 11, 2014
4.5 / 5 (14) 4