(PhysOrg.com) -- By installing millions of sensors throughout a city and hooking them up to an urban operating system, the Portuguese-based company Living PlanIT envisions that, in the future, cities could monitor and manage ...
Steve "Ark" Vander Ark takes a deep breath at the foot of the stairs in a lonely, dusky stairwell, then turns and heads up ten long flights of steps - for the eighth time. He'll repeat this ritual thrice more, for a total ...
Space Exploration
Apr 13, 2009
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Most of the time, we use the stairs in buildings—especially in high-rise structures—only as a back-up for faster elevators and escalators, but during a fire or other emergency, stairs become our primary passage to survival. ...
Other
Mar 25, 2009
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