In this letter, we propose a plasmonic conveyor belt based on a periodically arranged graphene nanorings (GNRs) with different size, on which the hot spots could be continuously lighted up by ...

A worker was hospitalized for smoke inhalation following a fire at an Ann Arbor recycling facility. The fire started on a conveyor belt but was extinguished without major damage to operations.

Still, even if only three metal detectors were installed in the district's 163 middle and elementary schools at $20,000 each, the cost would be $9.8 million.

Corona-Norco schools will be trying something new to keep students safe: walk-through metal detectors. When the bell rings Aug. 7 for the new school year, a six-month pilot program will begin to ...