beam monitor
71Lighting designer — The role of the lighting designer (or LD) within theatre is to work with the director, set designer, costume designer, and sometimes the sound designer and choreographer to create an overall look for the show in response to the text, while… …
72Radiological Physics Center — Mission Statement= The mission of the Radiological Physics Center (RPC) is to assure NCI and the Cooperative Groups that institutions participating in clinical trials deliver prescribed radiation doses that are clinically comparable and… …
73Media and Publishing — ▪ 2007 Introduction The Frankfurt Book Fair enjoyed a record number of exhibitors, and the distribution of free newspapers surged. TV broadcasters experimented with ways of engaging their audience via the Internet; mobile TV grew; magazine… …
74Neutrino — For other uses, see Neutrino (disambiguation). Neutrino/Antineutrino The first use of a hydrogen bubble chamber to detect neutrinos, on November 13, 1970. A neutrino hit a proton in a hydrogen atom. The collision occurred at the point where three …
75Landing Ship Medium — were amphibious assault ships of the United States Navy in the World War II. Of comparable size to Landing Ship, Tank and the Landing Craft, Infantry, there were 558 LSM (Landing Ship, Medium) made for the USN between 1944 and 1945. The majority… …
76Star Trek VI: The Undiscovered Country — Theatrical release poster by John Alvin Directed by Nicholas Meyer …
77Scanning electron microscope — These pollen grains taken on an SEM show the characteristic depth of field of SEM micrographs …
78Optical tweezers — (originally called single beam gradient force trap ) are scientific instruments that use a highly focused laser beam to provide an attractive or repulsive force (typically on the order of piconewtons), depending on the refractive index mismatch… …
79mass spectrometry — or mass spectroscopy Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields. A mass spectrometer uses electrical means to detect the sorted ions, while a mass spectrograph …
80Double buffering — In computer science, double buffering (or ping pong buffering) is a widely used technique for minimizing the delay (flicker) in input/output operations which use a buffer. Single buffering is affected by buffer underrun and buffer overflow.… …
