Scientists at Lawrence Berkeley National Laboratory made a big leap in their research into all things small. Within the past few months, scientists there began using what they say is the world’s most ...

As early as the 4 th century AD, people had discovered the basic concept of an optical lens, and by the 13 th century, they were already using glass lenses to improve their eyesight and to magnify ...

Fundamentally, a microscope comprises two subsystems: an illumination system to illuminate the sample and an imaging system that produces a magnified image of the light that has interacted with the ...