1. Many teachers connect a computer or iPad to a projector, replacing the traditional whiteboard.

2. The projector sits in a panel on the console and makes the images appear to float in the air.

3. You can also turn a pair of binoculars into a projector to watch the eclipse safely.

4. In a video see below showing off the software, a projector shines an image onto a pane of glass.

5. This tiny wireless projector screws into any light fixture.