Contact: Angela Stark
astark@osa.org
202-416-1443
Optical Society of America
Caption: Remote-controlled robotic helicopter in flight with a laser-based greenhouse gas sensor extending from its nose. The aerial detector is easy to deploy, inexpensive to operate, can be guided by GPS, and provides measurements in both vertical and horizontal directions.
Credit: Department of Civil and Environmental Engineering, Princeton University
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Related news release: Portable gas sensors improve atmospheric pollution measurements