But in 1919, Edward D. Bullard of San Francisco, California developed the first hard hat, basing it on the Doughboy helmet he wore as a soldier in World War I. The helmet was made of canvas, glue, and ...

Americans across the board need more education into the prevention of concussions, especially how hard hats and helmets can help prevent such injuries. Consumer-survey company Nielsen was ...

It’s one of the simpler “smart helmets” we’ve seen, and it might actually have some potential.