A head projector is used to project(this means show) text on computer sheet on a wall so it becomes bigger.
You can use it for
-watching movies
-coping work
-look at photos
ect.
to project overhead on to the wall
lab tops, lights, T.V., AC, Projecter
You cannot use a Webcam as a projector. A webcam is an input device, not an output device.
Convex lens because i said so
Convex lens because i said so
Convex lens because i said so
a projecter
Roy C. andrews used a telescope projecter to dig in mongolia
thomas armart
it is an output device
He beame a projecter
The LG EXPO is a phone that has a built-in projecter
Fresnel lens