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Beam Engines
Beam may refer to: Streams of particles or energy *Light beam, or beam of light, a directional projection of light energy **Laser beam *Particle beam, a stream of charged or neutral particles **Charged particle beam, a spatially localized group of electrically charged particles ***Cathode ray, or electron beam or e-beam, streams of electrons observed in discharge tubes ***X-ray beam, a penetrating form of high-energy electromagnetic radiation ** Molecular beam, a beam of particles moving at approximately equal velocities Arts, entertainment and media * Beam (music), a connection line in musical notation * Beam, to transport matter using the Transporter in the ''Star Trek'' fictional universe * Beam (rapper), American hip hop artist * BEAM.TV, an online digital delivery and content management platform * BEAM Channel 31, a Philippines television network * Beam (website), later Mixer, a former video game live streaming platform * BeamNG.drive, an open-world vehicle simulation v ...
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Light Beam
A light beam or beam of light is a directional projection of light energy radiating from a light source. Sunlight forms a light beam (a sunbeam) when filtered through media such as clouds, foliage, or windows. To artificially produce a light beam, a lamp and a parabolic reflector is used in many lighting devices such as spotlights, car headlights, PAR Cans, and LED housings. Light from certain types of laser has the smallest possible beam divergence. Visible light beams From the side, a beam of light is only visible if part of the light is scattered by objects: tiny particles like dust, water droplets (mist, fog, rain), hail, snow, or smoke, or larger objects such as birds. If there are many objects in the light path, then it appears as a continuous beam, but if there are only a few objects, then the light is visible as a few individual bright points. In any case, this scattering of light from a beam, and the resultant visibility of a light beam from the side, is known as t ...
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Broadcast Enterprises And Affiliated Media
Broadcast Enterprises and Affiliated Media, Inc. (BEAM) is a telecommunications company in the Philippines with primary focus on UHF broadcasting and digital terrestrial television for the convergence of multimedia. It is owned by Bethlehem Holdings, Inc., a media investment company of Globe Telecom through its Retirement Fund group. The frequency currently used by BEAM (channel UHF 31 of Manila and its provincial outlets) had been previously used by Radio Mindanao Network (under the affiliates, CTV-31 (Cinema Television) and E! Philippines) from October 31, 1993, to June 1, 2003, prior to the acquisition by BHI/Globe in 2009. History BEAM was established in 1993 by the Canoy family, owners of Radio Mindanao Network. Its Congressional broadcast franchise was granted in 1995. At that time, it only owned one FM radio station in Dagupan. In 2009, Bethlehem Holdings Inc., an investment firm of the Globe Telecom Retirement Group Fund, acquired BEAM from the Canoys (coinciding wi ...
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Battle Of The Beams
The Battle of the Beams was a period early in the Second World War when bombers of the German Air Force (''Luftwaffe'') used a number of increasingly accurate systems of radio navigation for night bombing in the United Kingdom. British scientific intelligence at the Air Ministry fought back with a variety of their own increasingly effective means, involving jamming and deception signals. The period ended when the Wehrmacht moved their forces to the East in May 1941, in preparation for the attack on the Soviet Union. The idea of "beam" based navigation was developed during the 1930s, initially as a blind landing aid. The basic concept is to produce two directional radio signals that are aimed slightly to the left and right of a runway's midline. Radio operators in the aircraft listen for these signals and determine which of the two beams they are flying in. This is normally accomplished by sending Morse code signals into the two beams, to identify right and left. For bombing, the ...
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The Beam (geological Outcrop)
The Beam is a geological outcrop on US Route 2 in South Hero, Vermont that is well known for its display of small-scale thrust faults originating from the Taconic Orogeny. The Beam is frequently visited by geology students studying the geology of New England. Geology The Beam is found in the Cumberland Head Formation and is composed of two beds of calcareous shale, divided by a bed of micrite. The micrite bed displays rigid body displacement with roof thrusts and ramp thrusts along the length of the exposed bed. The shale displays pressure dissolution with steeply dipping cleavage in the shale and abundant calcite veins and slickenlines. Both beds were subjected to east-west compression and as a result of their differing mineralogy, they shortened in different ways. Many lecturers who visit this site use the outcrop as a small scale example of the large scale tectonics Tectonics (; ) are the processes that control the structure and properties of the Earth's crust and its ...
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Balance Beam
The balance beam is a rectangular artistic gymnastics apparatus and an event performed using the apparatus. Both the apparatus and the event are sometimes simply referred to as "beam". The English abbreviation for the event in gymnastics scoring is BB. The beam is a small, thin beam which is typically raised from the floor on a leg or stand at both ends. The balance beam is only performed competitively by female gymnasts. Beams are usually covered with leather-like material and are only four inches wide. Balance beams used in international gymnastics competitions must conform to the guidelines and specifications set forth by the International Gymnastics Federation ''Apparatus Norms'' brochure. Several companies manufacture and sell beams, including AAI (USA), Janssen Fritsen (Europe) and Acromat (Australia). Most gymnastics schools purchase and use balance beams that meet the FIG's standards, but some may also use beams with carpeted surfaces for practice situations. While learning ...
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Beam, Great Torrington
Beam is an historic estate in the parish of Great Torrington, Devon, England. Beam House is situated about 1 1/2 miles north-west and downstream of that town, on the right-bank of the River Torridge. Both the Rolle Canal and the railway crossed the river nearby. It occupies a particularly beautiful setting, described by Lauder (1986) thus: ''"For lovers of rivers and woodland there can be few lovlier settings for a house than this. Steeply wooded banks shelter the valley and the house is situated on slightly higher ground above lush water meadows, almost completely surrounded by the Torridge"'' The estate was a subsidiary seat of the Rolle family, lords of the manor of Great Torrington, whose main seat was Stevenstone on the other (south) side of that town and therefore upstream from Beam. It was an outpost of the Royalists during the Civil War. Much of the estate is today owned by Baron Clinton, as heir to the Rolles, but it has had many occupants, including use by the army in b ...
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Beam (nautical)
The beam of a ship is its width at its widest point. The maximum beam (BMAX) is the distance between planes passing through the outer extremities of the ship, beam of the hull (BH) only includes permanently fixed parts of the hull, and beam at waterline (BWL) is the maximum width where the hull intersects the surface of the water. Generally speaking, the wider the beam of a ship (or boat), the more initial stability it has, at the expense of secondary stability in the event of a capsize, where more energy is required to right the vessel from its inverted position. A ship that heels on her ''beam ends'' has her deck beams nearly vertical. Typical values Typical length-to-beam ratios ( aspect ratios) for small sailboats are from 2:1 (dinghies to trailerable sailboats around ) to 5:1 (racing sailboats over ). Large ships have widely varying beam ratios, some as large as 20:1. Rowing shells designed for flatwater racing may have length to beam ratios as high as 30:1, while a cor ...
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Beam (horse)
Beam (1924 – 1941) was a British Thoroughbred racehorse and broodmare. As a juvenile she showed promise by winning one race and finishing third in the Molecomb Stakes. In the following year she finished fourth in the 1000 Guineas and won the Haverhill Stakes before beating a strong field to take the Epsom Oaks in a race record time which stood for more than half a century. She was retired from racing at the end of the season. Beam made no impact as a dam of winners and died in 1941 at the age of seventeen. Background Beam was a bay mare bred in the United Kingdom by her owner John Lambton, 3rd Earl of Durham. She was sent into training with Frank Butters at his Fitzroy House stable in Newmarket, Suffolk. She was ridden in most of her races by Tommy Weston. She was one of the best horses sired by Galloper Light, an English-bred stallion who won the Grand Prix de Paris in 1919. Beam was a daughter of Mistrella (foaled 1907), a British broodmare whose other descendants includ ...
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Beam (structure)
A beam is a structural element that primarily resists Structural load, loads applied laterally to the beam's axis (an element designed to carry primarily axial load would be a strut or column). Its mode of Deflection (engineering), deflection is primarily by bending. The loads applied to the beam result in reaction forces at the beam's support points. The total effect of all the forces acting on the beam is to produce shear forces and bending moments within the beams, that in turn induce internal stresses, strains and deflections of the beam. Beams are characterized by their manner of support, profile (shape of cross-section), equilibrium conditions, length, and their material. Beams are traditionally descriptions of building or civil engineering structural elements, where the beams are horizontal and carry vertical loads. However, any structure may contain beams, for instance automobile frames, aircraft components, machine frames, and other mechanical or structural systems. In th ...
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Apache Beam
Apache Beam is an open source unified programming model to define and execute data processing pipelines, including ETL, batch and stream (continuous) processing. Beam Pipelines are defined using one of the provided SDKs and executed in one of the Beam’s supported ''runners'' (distributed processing back-ends) including Apache Flink, Apache Samza, Apache Spark, and Google Cloud Dataflow. History Apache Beam is one implementation of the Dataflow model paper. The Dataflow model is based on previous work on distributed processing abstractions at Google, in particular on FlumeJava and Millwheel. Google released an open SDK implementation of the Dataflow model in 2014 and an environment to execute Dataflows locally (non-distributed) as well as in the Google Cloud Platform service. Timeline Apache Beam makes minor releases every 6 weeks. See also *List of Apache Software Foundation projects This list of Apache Software Foundation projects contains the software development proj ...
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Bigelow Expandable Activity Module
The Bigelow Expandable Activity Module (BEAM) is an experimental expandable space station module developed by Bigelow Aerospace, under contract to NASA, for testing as a temporary module on the International Space Station (ISS) from 2016 to at most 2028, when the contract can not be extended any further. It arrived at the ISS on 10 April 2016, was berthed to the station on 16 April 2016, and was expanded and pressurized on 28 May 2016. Although originally planned to be a two year test, it has exceeded expectations and is used as additional cargo storage. The module is under ownership of NASA after Bigelow Aerospace suspended operations in 2021. History NASA originally considered the idea of inflatable habitats in the 1960s, and developed the TransHab inflatable module concept in the late 1990s. The TransHab project was canceled by Congress in 2000, and Bigelow Aerospace purchased the rights to the patents developed by NASA to pursue private space station designs. In 2006 and ...
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Beam Search
In computer science, beam search is a heuristic search algorithm that explores a graph by expanding the most promising node in a limited set. Beam search is an optimization of best-first search that reduces its memory requirements. Best-first search is a graph search which orders all partial solutions (states) according to some heuristic. But in beam search, only a predetermined number of best partial solutions are kept as candidates. It is thus a greedy algorithm. The term "beam search" was coined by Raj Reddy of Carnegie Mellon University in 1977. Details Beam search uses breadth-first search to build its search tree. At each level of the tree, it generates all successors of the states at the current level, sorting them in increasing order of heuristic cost. However, it only stores a predetermined number, \beta, of best states at each level (called the beam width). Only those states are expanded next. The greater the beam width, the fewer states are pruned. With an infinite ...
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