A DESCRIPTION of a small measuring microscope devised by us may be of interest to readers of NATURE. The optical elements are extremely simple, consisting of a Ramsden eyepiece having a scale, divided ...

(Nanowerk News) Optical microscopes are widely used to observe phenomena on the order of micrometers (µm). In recent years, it has been found that, used ingeniously, an optical microscope can detect ...

Electrical engineers have long been toying with the idea of designing biological molecules that can be directly integrated into electronic circuits. Researchers have developed a way to form these ...