[caption id="attachment_37516" align="alignleft" width="150" caption="Eco-friendly projectors can last for up to 18 school years with daily use, according to projections."]Eco-friendly projectors can last for up to 18 school years with daily use, according to projections.[/caption]

New design techniques that can heighten a projector’s contrast without sacrificing brightness, and eco-friendly projectors that eliminate the need for costly mercury lamps, are among the many recent developments in audio-visual (AV) technologies with implications for schools and colleges.

Here’s a look at these and other new trends in the AV market for education.

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