In a perfect world, humans would have been able to enjoy the beauty of solar eclipses by looking at them directly. In reality, however, that isn't quite possible, given that looking at the sun during ...

Screen size and aspect ratio depend on space and projector; opt for 16:9 for ease. The material of projector screens, like gray, black, or white, affects brightness and colors. Properly position ...

The DIY enthusiast Ben brought forward a unique approach to build a portable projector using the concept of “persistence of vision” where an image produced by a moving object doesn’t disappear as soon ...