CINCINNATI — The entire Tri-State will be able to view at least part of the solar eclipse on Monday, April 8. The only safe way to directly view the celestial event is with certified ISO 12312-2 ...

Discover how to build a simple DIY projector using everyday materials like cardboard and a small flashlight or laser pointer. This easy step-by-step tutorial guides you through crafting a homemade ...

Want to build a high-quality DIY projector screen? Check out how I built two 147" screens that look amazing for about $100 each. Products used in this video include: - Carl's FlexiGray Projector ...

We’ve already told you before that you should never look directly at the sun during Monday’s solar eclipse. I mean, didn’t we hear that all the time growing up? But there is a safe way to watch the ...

For starters, this projector is an analog old-fashioned hand-held projector. In addition, it uses a mechanical gear transmission and can achieve a real display. Furthermore, this old-fashioned ...

A large LCD is entirely unsuitable. Light (especially high intensity of the sort used for projection) makes heat. The more light that must be "filtered away" the more heat you must be able to transfer ...