The new traffic light in Trumbull's Long Hill Green is completed and town officials plan to finish the area's sidewalk and ...

Some molecules respond to light in a matter of seconds. In the case of this dithienylethene compound, ultraviolet light triggers a ring-forming reaction, turning the colorless solution deep red.

The tech tracks vehicles, bikers and pedestrians at intersections over various periods of time. And it can get that data to ...