Embedded sensors and wires give feedback on the pressure it takes to damage concrete in the lab of Nizar Lajnef, assistant professor of civil and environmental engineering, on Tuesdday October 15, 2013. Lajnef's has installed sensors in roads and bridges to monitor damages.
NIKON CORPORATION NIKON D3S, f/3.3 @ 105 mm, 1/250, ISO 400, Flash