With the Marine Corps training system, forward observers wear a head-mounted display with a see-through visor; objects displayed on the visor appear to be part of the real world.
They also don a see-through visor from Digital Vision Corp. that swivels down from a headband over one eye, and a head-mounted camera from TriSen Corp. that looks for fiducial landmarks on the assembly.
This device enabled the rapid measurement of the root cone angle on an image by positioning the center of the see-through visor on the basis of the tillering plateau and aligning the two mobile branches of the protractor to the two most external left and right crown roots (Fig. 1).
My favourite aspect, though, is the see-through visors the drivers wear at night time, making it possible to see the whites of their eyes.
Books and photos can be stored on the Minijam and viewed through the Visor.
After a single lap Hamilton had already built up a two-second lead, even though he complained about water dripping through his visor and into his eyes.
Look out through the visor of your spacesuit - necessary because Pluto's thin atmosphere is far too oxygen-deficient to breath - and enjoy the view".
Joel Kinnaman, who is taking the lead role, has already hinted that we'll be able to see the cyborg officer's peepers through his visor, while Samuel L Jackson and Gary Oldman are playing media mogul and scientist types not seen in the earlier movie.
Who is to say the ball wouldn't have gone through the visor and struck him in the eye?
If this were real, I would be wearing a bulky spacesuit, looking through a visor and would not have the luxury of stopping when I got a bit tired.
Luca Parmitano, an Italian Esa astronaut who conducted two spacewalks in 2013, told BBC Five Live: "It is unimaginable... there are no words to describe the feeling of seeing our planet from above through a visor - that's all that separates us from the view, a thin visor of plexiglass". "When language evolved, it described what we saw around us.
