Electrical engineer working to improve monitoring systems
Friday, September 25, 2009 - 14:42
in Mathematics & Economics
(PhysOrg.com) -- An old man walks down the stairs in his home. Suddenly, he trips and falls. No one is home to help him. But soon he hears the reassuring clanging of approaching sirens. The surveillance system installed in his home worked: It alerted emergency services, and now, help is on the way.