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[[Category:Projects]]
[[Category:Information]]

=Introduction=
A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen. Most projectors create an image by shining a light through a small transparent lens, but some newer types of projectors can project the image directly, by using lasers. A virtual retinal display, or retinal projector, is a projector that projects an image directly on the retina instead of using an external projection screen. 

=Challenges=

=Approaches=
<youtube>YfvTjQ9MCwY</youtube>

=References=
  * [[https://en.wikipedia.org/wiki/Projector|Wikipedia: Projector]]