Paul Andrews wonders over at the Seattle Times whether gadgets could have saved Aron Ralston, that mountain climber who had to cut off his own right arm after being trapped under an 800 pound boulder in a Utah canyon. Turns out that there isn’t much out there today that could have helped. Ralston was too far out of range to use a cellphone or a two-way radio, and even a GPS transponder would use terrestrial network to send an SOS, so that’s out also.
