New technology helps search teams find people in wilderness
Yesenia D'Alessandro loaded a GPS tracking app on her cellphone and trudged into a remote Hawaii forest, joining more than 100 other volunteers looking for a missing hiker.
from Phys.org - latest science and technology news stories http://bit.ly/2Kx0TzP
from Phys.org - latest science and technology news stories http://bit.ly/2Kx0TzP
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