PopSci's Best of What's New 2007

Recreation
Mammut Pulse Barryvox

saving people who are buried alive

Avalanche victims’ chances of survival plummet if they’re not found within 20 minutes. This transceiver, worn across the chest, focuses rescuers’ limited time on those still alive under the snow. An accelerometer detects the subtle chest movements that indicate breathing, and the unit radios info (“Live body here!”) to other units within 65 yards. $400; mammutusa.com

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