deltacephei - Slashdot User

Oklahoma Ambulances Debut Sirens That You Can Feel 128

Posted by samzenpus on Thursday November 13, 2008 @02:35PM from the do-you-hear-something dept.

djupedal writes "Booming like a 1980s video game, the Howler can even make liquids ripple — Oklahoma's largest ambulance company will become the first ambulance service in the nation to outfit its entire fleet with new Howler sirens, designed to emit low-frequency tones that penetrate objects within 200 feet — such as cars — to alert drivers." This is all well and fine, but I wonder what they plan to do when their sirens call up one of the big worms from deep below?

Submission + - LA Airport Uses Random Numbers To Catch Terrorists

Submitted by Anonymous Coward on Sunday September 30, 2007 @02:34AM

An anonymous reader writes: Los Angeles International Airport (LAX) is using randomization software to determine the location and timing of security checkpoints and patrols. The theory is that random security will make it impossible for terrorists to predict the actions of security forces. The ARMOR software, written by computer scientists at the University of Southern California, was initially developed to solve a problem in game theory. Doctoral student Praveen Paruchuri wrote algorithms on how an agent should react to an opponent who has perfect information about the agent's choices.

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