Hi Tech, Wireless Help for Climbers

Mark Baard writes "Alpinists may soon be using wearable sensors and tricorder-like medical scanners to bail out their buried comrades. Computer scientists Bernt Schiele and Florian Michahelles, at the Swiss Federal Institute of Technology, are designing A-Life, a portable device that transmits and receives avalanche victims' vital signs through snow, up to 80 meters away."