Imagine you’re sitting at a pond, listening to the din of croaking frogs. You want to know how many frogs are in the pond, but you can’t pick out the individual croaks—only the combined sound rising ...

A: The resolution of an instrument that uses light to see things can’t improve beyond a point. This is called the diffraction limit. The resolving ability of, say, a telescope says how well it can ...

Modern microscopes opened up the world of the minute to an amazing degree, allowing people to see all the way down to a bacterium wriggling on a slide. But if you want to see down even smaller in ...

Researchers built a microscope that captures large, high-resolution images of uneven objects in one shot, aiding diagnostics, research, and quality inspection. (Nanowerk News) Researchers have ...

The microscope combines a big telecentric photolithography lens with a large tube lens to create sharp, detailed images of large and curved samples. These lenses project the image onto a flat array of ...