Radio telescopes are instruments that capture faint radio signals from space and convert them into images of celestial bodies ...

A new lens-free imaging system uses software to see finer details from farther away than optical systems ever could before.

We suspect there are three kinds of people in the world. People who have access to a Michelson Interferometer and are glad, those who don’t have one and don’t know what one is, and a ...

When [Electron Impressions] used a powerful ultrasonic array to project a narrow beam of sound toward a target, he described ...