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 ...

Sneezes, rain clouds, and ink jet printers: They all produce or contain liquid droplets so tiny it would take several billion of them to fill a liter bottle. Measuring the volume, motion and contents ...

Optical non-contact profilers are interference microscopes used to accurately measure the three-dimensional height variations on surfaces of a given test material. Optical profilers manipulate the ...

Hackers frequently find themselves reverse-engineering or interfacing to existing hardware and devices, and when that interface needs to be a physical one, it really pays to be able to take accurate ...

Mahr’s MarVision workshop measuring microscope MM 320 with M3 software is designed to handle measurement of electronic parts such as printed circuit boards, small features on micromechanical parts, 2D ...

Canada is too-often the overlooked member of North America. But, as it turns out, they're doing all sorts of interesting things up there. The University of Alberta's National Institute of ...

Anna-Mary Passier Carpenter (1916-2003) was a cell biologist with a Ph.D. from the University of Pittsburgh who taught at several small colleges before landing a position in the Department of Anatomy ...