Floodbot uses social media to issue flash flood warnings

Today's Video of the Day from the National Science Foundation describes Floodbot, new technology that will serve as an early warning system for flash floods. A University of Maryland, Baltimore County team is testing their early alert system in Ellicott City, where two "100 year floods" devastated the community in both 2016 and 2018. Floodbot uses sensors to monitor water levels at critical flood points. The system uses social media to issue alerts to residents, and can tweet on its own when there …