Acoustic Sensors as Early Warning System for Landslides
New technology is being used to monitor soil acoustics to determine when a landslide is imminent. The system consists of a network of sensors, buried across a hillside considered a risk. As soil moves within the hillside, it creates noise – the more the significant the movement, the louder the noise.
http://www.lboro.ac.uk/service/publicity/news-releases/2010/164_ALARMS.html
(from PSFK's ‘Real-Time’ Information Project for Global Pulse)



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