The capability of a vernier or digital caliper depends on the accuracy of the scale. A caliper's design, rigidity of the beam, squareness and parallelism of the jaws to the scale, and general ...

A new device and technique have been developed by National Institute of Standards and Technology researchers for measuring "breakdown" voltage -- the voltage required to produce electrical arcs when ...

Biomedical engineers at Duke University have devised a method for increasing the resolution of optical coherence tomography (OCT) down to a single micrometer in all directions, even in a living ...