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 ...

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 ...

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 ...