The thought of making your own camera may sound daunting. Today, a camera is seen as highly technical and expensive machine. But at its most basic, a camera is simply a box with a hole in it, and ...

Consider crafting a “pinhole camera” or projector at home — a simple and inexpensive device that allows for safe viewing of the eclipse from a unique perspective.

Researchers have used the centuries-old idea of pinhole imaging to create a high-performance mid-infrared imaging system without lenses. The new camera can capture extremely clear pictures over a ...