What Supplies Do You Use for Overhead Projectors?. ... For interactive presentations, an overhead projector lets you write directly on the slide and, in essence, project your whiteboard.

Interactive systems developed for schools combine a computer, LCD projector and handheld "clicker" devices. For these systems, each student has a multi-button clicker; the instructor creates ...

[1] Overhead transparency with a mark [1] Overhead projector; Script. Turn on the projector and put the transparency on it. Focus the projector. Put the block on top of the mark and refocus the ...

John McCain has frequently criticized Barack Obama for a $3 million earmark for an "overhead projector" for a planetarium in Chicago. Paul Knappenberger, president of Chicago's Adler Planetarium ...