Polar Bear Dens Are Hard for Humans to See, but Drone-Mounted Radar Can Help
Briefly

When he developed a drone-mounted radar system that could penetrate multiple layers of snow, Rolf-Ole Rydeng Jenssen imagined using it to measure snowfall or predict avalanches.
Inside, the bears give birth while the snow shelters them and their newborn cubs from the harsh Arctic elements.
Read at www.scientificamerican.com
[
add
]
[
|
|
]