In the 1970s and 1980s, Steve Mann introduced the Generation-1 and Generation-2 "Digital Eye Glass", initially as a vision aid to help people see better.
Helmet | Helmet (band) | helmet | Brodie helmet | Welding | Adrian helmet | welding | The Spanish Helmet | Corinthian helmet | Canadian Welding Bureau | The Welding Institute | The Helmet Project | Pattern welding | Oxy-fuel welding and cutting | Motorcycle helmet | motorcycle helmet | Modular Integrated Communications Helmet | Leif Welding-Olsen | Late Roman ridge helmet, found at Deurne, Netherlands. It is covered in silver-gilt sheathing and is inscribed to a cavalryman of the ''Equites Stablesiani | Helmet of Coţofeneşti | Greek Helmet | Greek helmet | God helmet | Gas tungsten arc welding | Explosion welding | Crosby Garrett Helmet | American Welding Society | alt=View of volcanic caverns; an enemy with a jetpack shoots a green ray at the player, whose weapon (a large cannon) is visible in the corner of the screen. The image is a simulation of the heads-up display of a combat suit's helmet, with a crosshair surrounding the enemy and two-dimensional icons relaying game information around the edge of the frame. | 18th century '''Tlingit art''': A helmet representing the head of a wolf.(Museo de América (Madrid) |