The opaque screen however, is cheaper to produce but requires a darker room.
These had been further fitted with tight, opaque screens, but the latter were now largely rotted away.
On the opaque screen before her there was a flicker of light which spread out from a center point to cover the plaque.
Chain-link fences with opaque screens were installed around the practice field.
Movement can be produced using silhouettes on the opaque screen.
Finally nothing more could be seen on the opaque screen than the deep red of Wanderer's sky.
Just then two dark forms appeared on the other side of the opaque, watery screen.
The shipyards were much closer than the planet but not visible behind the opaque screens around the back three-quarters of the room.
It blinks an opaque screen over your ability to learn.
The experiment consisted of two students, seated at tables separated by an opaque screen.