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A comment on Fleets of drones could aid searches for lost hikers. Parent comment

Re:Fleets of drones could aid searches for lost hikers by closetohome on Friday November 02, 2018 @01:28PM (#18364938)
Infrared is fine in open terrain or light forest, but it doesn't work nearly as well through a solid tree canopy.
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Re:Fleets of drones could aid searches for lost hikers by chrisfosterelli on Friday November 02, 2018 @03:36PM (#18366036)
Thanks, I looked more into this and agree you're correct here.
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