A standing leader on stage, presents his project to an audience During a conference, a businessman standing behind a desk, points his finger at a white screen to present a project in front of an ...

[Joel] wanted a huge-screen TV on the cheap, so he converted an overhead projector to something he can use with his XBox. Using a bare LCD panel with an overhead projector is a decades-old hack ...

points his finger at a white screen to present a project in front of an audience. Table in meeting room flat icon illustration Table in meeting room flat icon illustration isolated vector sign symbol ...

Tack the black sheet to the front of the classroom to form a screen for the overhead projector. Place the overhead projector in the back of the classroom to make its image as large as possible on ...