In this video, learn how to make a game projector for smartphones using light bulbs. Follow our step-by-step guide to ...

How to Fix a Shadow in an Overhead Projector. Overhead projectors use a bright lamp and mirrors to display text or images from a transparency sheet on a wall or screen. If your projector displays ...

Hi,I need instructions on how to load a film into a Bell & Howell 2585 b projector. If anyone can point me to the right places to find a manual online or if ...

How to make a pinhole projector from a cereal box to safely view the total solar eclipse. You don't need fancy equipment to watch the celestial event.