garymortimer writes: NASA Earth science researchers last month traveled to Turrialba Volcano, near San Jose, Costa Rica, to fly a Dragon Eye unmanned aerial vehicle (UAV) — a small electric aircraft equipped with cameras and sensors — into the volcano’s sulfur dioxide plume and over its summit crater, to study Turrialba’s chemical environment. The project is designed to improve the remote-sensing capability of satellites and computer models of volcanic activity.
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