Vibrating Helmet Guides Firefighters Through Smoke

Firefighters have a tough job. They risk their lives to save the lives of others. Often they might find themselves in a smoke filled room where visibility is quite bad. This could seriously hamper their relief efforts, while putting their life at risk as well. A group of researchers at the University of Sheffield have come up with an interesting prototype helmet. This helmet vibrates against the forehead of the person wearing it, this vibration is an indication of objects and obstacles nearby. T...