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Students walk on Penn State s University Park campus.  Image: Patrick Mansell, Penn State Underground fiber optic sensors record sounds of COVID lockdown, reopening Matthew Carroll June 28, 2021 UNIVERSITY PARK, Pa. – In March 2020, daily life in the United States changed in an instant as the country locked down to deal with the initial wave of the COVID-19 pandemic. New research reveals how residents in one community returned to their routines as the restrictions lifted, according to a team of Penn State scientists. “We used sound signals captured by underground fiber-optic sensors to understand how COVID measures impacted human activities,” said Junzhu Shen, a graduate student in geosciences at Penn State. “These sensors provide very accurate, high-resolution data that can help us understand what’s happening in our communities.”

United statesPenn state universityState collegeTieyuan zhuJunzhu shenInstitute of computationalPenn state university parkPenn statePenn state institutesData scienceஒன்றுபட்டது மாநிலங்களில்பென் நிலை பல்கலைக்கழகம்நிலை கல்லூரிநிறுவனம் ஆஃப் கணக்கீட்டுபென் நிலை பல்கலைக்கழகம் பூங்காபென் நிலை