Cameras are a funny rabbit hole ... an electron gun paints its raster of electrons onto a light-sensitive target, and the current flowing through the electron beam varies in proportion to the ...

A camera obscura receives images just like the human eye—through a small opening and upside down. Light from outside enters the hole at an angle, the rays reflected from tops of objects ...

A solar eclipse is a rare and spectacular celestial event. It happens when the Sun, Moon, and Earth align so that the Moon passes between the Sun and our home planet, blocking some or all of the Sun's ...

A team of researchers has engineered a groundbreaking optical device that mimics the physics of black holes and their ...

If accurate, this would mean Apple could forgo the Dynamic Island in favor of a simple punch-hole camera, and a new report ...