collimators

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• collimators — n. telescope used for adjusting other instruments …   English contemporary dictionary

• Collimator — Example of a particle collimator A collimator is a device that narrows a beam of particles or waves. To narrow can mean either to cause the directions of motion to become more aligned in a specific direction (i.e., collimated or parallel) or to… …   Wikipedia

• Open-pool Australian lightwater reactor — For other uses, see Opal (disambiguation). Science with Neutrons Foundations Neutron temperature Flux  …   Wikipedia

• ECHIDNA - High Resolution Powder Diffractometer — ECHIDNA is the name of the new neutron High Resolution Powder Diffractometer at Australia s new research reactor OPAL, ANSTO. The instrument serves to determine the crystalline structures of materials using neutron radiation analogical to X ray… …   Wikipedia

• Monochromator — in a x ray beamline at the Advanced Photon Source, Argonne National Laboratory. A monochromator is an optical device that transmits a mechanically selectable narrow band of wavelengths of light or other radiation chosen from a wider range of… …   Wikipedia

• Meridian circle — Groombridge transit circle of 1806 The meridian circle, transit circle, or transit telescope is an instrument for observing the time of stars passing the meridian, at the same time measuring its angular distance from the zenith. The idea of… …   Wikipedia

• Cyberknife — The CyberKnife is a frameless robotic radiosurgery system used for treating benign tumors, malignant tumors and other medical conditions.[1][2] The system was invented by John R. Adler, a Stanford University Professor of Neurosurgery and… …   Wikipedia

• Radiosurgery — This article is about the medical procedure. For the album by American rock band New Found Glory, see Radiosurgery (album). Radiosurgery Intervention CLINAC: a model of steerable linear accelerator commonly used in radiosurgery …   Wikipedia

• Reuven Ramaty High Energy Solar Spectroscopic Imager — (RHESSI, or more rarely Explorer 81) is the sixth mission in the line of NASA Small Explorer missions (also known as SMEX). Launched on 5 February 2002, its primary mission is to explore the basic physics of particle acceleration and explosive… …   Wikipedia

• ZSU-57-2 — Infobox Weapon name=ZSU 57 2 (Ob yekt 500) caption=ZSU 57 2 in Lubuskie Military Museum in Drzonów, Poland, 1 July 2007. origin=flagcountry|Soviet Union type=Self propelled anti aircraft gun is vehicle=yes designer=Design Bureaus of Omsk Works No …   Wikipedia

• Rotational Modulation Collimator — Rotational Modulation Collimators (or RMCs) are a specialization of the modulation collimator, an imaging device invented by Minoru Oda. Devices of this type create images of high energy X rays (or other radiations that cast shadows). Since high… …   Wikipedia