With all of the do-it-yourself guides on how to build a projector screen for cheap, you'd think it's a no-brainer. As it ...

I am building a new house and I am currently drawing up the plans for my future media room. I will not have the money to outfit the room with equipment until I pay off my truck in two years, however, ...

The practice of using a device to project an image of the Sun is thousands of years old. But if using a pinhole doesn’t give the image quality you want, then try this project. The final image will ...