Mars drone tech sniffs out methane leaks on Earth [feedly]

Natural gas pipelines stretch for thousands of miles across entire continents and inspecting them for potentially dangerous leaks is a full-time, never-ending job. To take some of the pressure off, NASA is testing a quadcopter equipped with a miniature methane gas sensor originally designed for testing the Martian atmosphere. The space agency says that the exceptional sensitivity of the equipment makes it possible to monitor many miles of pipeline at a time from the air.

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