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Construction began on "Columbia" in 1975 at Rockwell International's (formerly North American Aviation/North American Rockwell) principal assembly facility in Palmdale, California, a suburb of Los Angeles. "Columbia" was named after the American sloop "Columbia Rediviva" which, from 1787 to 1793, under the command of C...
https://en.wikipedia.org/wiki?curid=28237
76,561
1,151,996
Several gene mutations have been identified underlying these anomalies, with the majority of ASD genes encoding transcriptional regulators. In this review, the role of the ASD genes, "PITX2" and "FOXC1", is considered in relation to the embryology of the anterior segment, the biochemical function of these proteins, and...
https://en.wikipedia.org/wiki?curid=24321966
1,151,387
694,112
In networks-based biocomputation, self-propelled biological agents, such as molecular motor proteins or bacteria, explore a microscopic network that encodes a mathematical problem of interest. The paths of the agents through the network and/or their final positions represent potential solutions to the problem. For inst...
https://en.wikipedia.org/wiki?curid=10203313
693,749
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In 1557, Bishop Robert Reid of St Magnus Cathedral on Orkney made a will containing an endowment of 8,000 merks to build a college in Edinburgh. Unusually for his time, Reid's vision included the teaching of rhetoric and poetry, alongside more traditional subjects such as philosophy. However, the bequest was delayed by...
https://en.wikipedia.org/wiki?curid=23592200
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Before the 2008 flyby to re-orient for the comet 103P/Hartley encounter, the spacecraft used the High Resolution Instrument, the larger of its two telescopes, to perform photometric observations of previously discovered transiting extrasolar planets from January to August 2008. The goal of photometric observations is t...
https://en.wikipedia.org/wiki?curid=12076308
1,532,971
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51 Pegasi was listed as a standard star for the spectral type G2IV in the 1989 "The Perkins catalog of revised MK types for the cooler stars". Historically, it was generally given a stellar classification of G5V, and even in more modern catalogues it is usually listed as a main-sequence star. It is generally considered...
https://en.wikipedia.org/wiki?curid=572293
499,341
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The Berkeley Institute for Data Science (BIDS) is a central hub of research and education within University of California, Berkeley designed to facilitate data-intensive science and earn grants to be disseminated within the sciences. BIDS was initially funded by grants from the Gordon and Betty Moore Foundation and the...
https://en.wikipedia.org/wiki?curid=48364486
2,105,539
1,920,030
In 1933, Germany entered a political crisis and saw the rise of Hitler and the Nazi Party, which led Schoenheimer into emigrating to the United States. Schoenheimer had Jewish heritage which he was conscious of despite his Family having converted to Christianity. Schoenheimer had joined a Jewish Youth Movement and was ...
https://en.wikipedia.org/wiki?curid=669677
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Blakey was a director of the New York African Burial Ground Project, now the African Burial Ground National Monument. According to Blakey, the existence of this burial ground in what is now Lower Manhattan (where between 10 and 20 thousand people of African descent were buried in the eighteenth century) was evidence of...
https://en.wikipedia.org/wiki?curid=36686053
1,328,061
1,484,644
The Royal Air Force in 1927 required a replacement for their current elementary trainers, the elderly Avro 504Ns. They specified that the power plant should be an Armstrong Siddeley Mongoose engine, a radial five-cylinder type, and the design should "have regards to the elimination of the Woodworking Fitter trades." In...
https://en.wikipedia.org/wiki?curid=2899725
1,483,807
791,832
Photonic crystals are composed of periodic dielectric, metallo-dielectric—or even superconductor microstructures or nanostructures that affect electromagnetic wave propagation in the same way that the periodic potential in a semiconductor crystal affects the propagation of electrons, determining allowed and forbidden e...
https://en.wikipedia.org/wiki?curid=355377
791,407
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The STM32G4 series and certain STM32H7 series of MCUs implement a CORDIC module to accelerate computations in various mixed signal applications such as graphics for human-machine interface and field oriented control of motors. While not as fast as a power series approximation, CORDIC is indeed faster than interpolating...
https://en.wikipedia.org/wiki?curid=859590
942,744
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Resisting his father's plan for him to train to follow in his footsteps, Dubois, encouraged by his teachers, decided in 1877 to study medicine at the University of Amsterdam. While a student, he taught anatomy at both of the brand new (founded 1880) art schools housed at the Rijksmuseum Amsterdam (Amsterdam State Museu...
https://en.wikipedia.org/wiki?curid=318898
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The Pliocene Epoch lasted from 5.333 to 2.58 million years ago. The Pliocene featured dramatic climatic changes, which ultimately led to modern species of flora and fauna. The Mediterranean Sea dried up for several million years (because the ice ages reduced sea levels, disconnecting the Atlantic from the Mediterranean...
https://en.wikipedia.org/wiki?curid=5816
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The first significant renewal of learning in the West came when Charlemagne, advised by Candidus, Peter of Pisa and Alcuin of York, attracted the scholars of England and Ireland, and by imperial decree in 787 AD established schools in every abbey in his empire. These schools, from which the name Scholasticism is derive...
https://en.wikipedia.org/wiki?curid=26571896
907,280
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Paul von Ragué Schleyer (February 27, 1930 – November 21, 2014) was an American physical organic chemist whose research is cited with great frequency. A 1997 survey indicated that Dr. Schleyer was, at the time, the world's third most cited chemist, with over 1100 technical papers produced. He was Eugene Higgins Profess...
https://en.wikipedia.org/wiki?curid=3982993
1,835,321
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To illustrate that a wheelset trajectory follows a curved path, one may place a nail or screw on a flat table top and give it a push. It will roll in a circular curve because the nail or screw is like a wheelset with extremely different diameter wheels. The head is analogous to a large diameter wheel and the pointed en...
https://en.wikipedia.org/wiki?curid=4757213
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The Mingo Creek Park Observatory is owned and operated by the AAAP. The Observatory was built in the spring/summer of 2004, and officially dedicated in August 2005. It has become the largest amateur astronomical observatory in Southwestern Pennsylvania dedicated to public education and enjoyment of the science of astro...
https://en.wikipedia.org/wiki?curid=2915993
2,069,002
1,022,099
Ras is attached to the cell membrane owing to its prenylation and palmitoylation (HRAS and NRAS) or the combination of prenylation and a polybasic sequence adjacent to the prenylation site (KRAS). The C-terminal CaaX box of Ras first gets farnesylated at its Cys residue in the cytosol, allowing Ras to loosely insert in...
https://en.wikipedia.org/wiki?curid=371659
1,021,570
1,360,849
In the paper by Higgs the boson is massive, and in a closing sentence Higgs writes that "an essential feature" of the theory "is the prediction of incomplete multiplets of scalar and vector bosons". (Frank Close comments that 1960s gauge theorists were focused on the problem of massless "vector" bosons, and the implied...
https://en.wikipedia.org/wiki?curid=24038774
1,360,096
137,999
During a test of his equipment for measuring the east-west effect, Rossi observed that the rate of near-simultaneous discharges of two widely separated Geiger counters was larger than the expected accidental rate. In his report on the experiment, Rossi wrote "... it seems that once in a while the recording equipment is...
https://en.wikipedia.org/wiki?curid=47687
137,943
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The precise etiology of PBC remains poorly understood, though a clearer picture is starting to emerge. A loss of immune tolerance is indicated by the presence of AMAs and autoreactive CD4+ and CD8+ T cells targeting cholangiocytes that line the bile ducts. Cholangiocytes are normally responsible for 40% of bile flow, m...
https://en.wikipedia.org/wiki?curid=2632843
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With Robert Burns Woodward he developed the Woodward–Hoffmann rules for elucidating reaction mechanisms and their stereochemistry. They realized that chemical transformations could be approximately predicted from subtle symmetries and asymmetries in the electron orbitals of complex molecules. Their rules predict differ...
https://en.wikipedia.org/wiki?curid=26514
621,035
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Far Ultraviolet Spectroscopic Explorer (FUSE, Explorer 77, and MIDEX-0) represented the next generation, high-orbit, ultraviolet space observatory covering the wavelength range of 90.5–119.5 nanometre (nm) of the NASA operated by the Johns Hopkins University Applied Physics Laboratory. FUSE was launched on a Delta II l...
https://en.wikipedia.org/wiki?curid=939966
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The history of thermodynamics is fundamentally interwoven with the history of physics and the history of chemistry, and ultimately dates back to theories of heat in antiquity. The laws of thermodynamics are the result of progress made in this field over the nineteenth and early twentieth centuries. The first establishe...
https://en.wikipedia.org/wiki?curid=778700
48,086
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This model locates the "last universal common ancestor" (LUCA) within the inorganically formed physical confines of an alkaline hydrothermal vent, rather than assuming the existence of a free-living form of LUCA. The last evolutionary step en route to "bona fide" free-living cells would be the synthesis of a lipid memb...
https://en.wikipedia.org/wiki?curid=394464
1,390,205
952,968
Traumatic vertebral dissection may follow blunt trauma to the neck, such as in a traffic collision, direct blow to the neck, strangulation, or whiplash injury. 1–2% of those with major trauma may have an injury to the carotid or vertebral arteries. In many cases of vertebral dissection, people report recent very mild t...
https://en.wikipedia.org/wiki?curid=5789270
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Many scholars, however, disagree with specific claims in Weber's historical analysis. For example, the economist Joseph Schumpeter (1954) argued that capitalism did not begin with the Industrial Revolution but in 14th century Italy. In Milan, Venice and Florence, the small city-state governments led to the development ...
https://en.wikipedia.org/wiki?curid=19455
53,206
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In early 1942 the Governor of Gibraltar sought 5.25-in guns for dual anti-aircraft/coast defence role. None was forthcoming. However, later that year Anti-Aircraft Command in UK acquired three twin-gun turrets from the Admiralty, which were installed around London in permanent positions. Trials and use led the army to ...
https://en.wikipedia.org/wiki?curid=18067376
1,302,377
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The definition of inertial reference frame can also be extended beyond three-dimensional Euclidean space. Newton's assumed a Euclidean space, but general relativity uses a more general geometry. As an example of why this is important, consider the geometry of an ellipsoid. In this geometry, a "free" particle is defined...
https://en.wikipedia.org/wiki?curid=14838
266,811
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Since the 1980s, many new programs, faculty, undergraduates, and postgraduates contributed to the expanded global imprint of Ohio. Defining trends of this period include process standardization, digital advents, and largescale research that would give rise to Ohio becoming a distinctive national university, and not onl...
https://en.wikipedia.org/wiki?curid=38411419
1,936,838
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In 1973, the Manual Communications Module (MCM), which was the world's first electronic portable TTY allowing two-way telecommunications, premiered at the California Association of the Deaf convention in Sacramento, California. The battery-powered MCM was invented and designed by a deaf news anchor and interpreter, Kit...
https://en.wikipedia.org/wiki?curid=334420
558,689
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Collision detection and avoidance are possible, through the use of absolute position sensors (optical encoder strips or disks) to verify that motion occurred, or torque sensors or power-draw sensors on the drive system to detect abnormal strain when the machine should just be moving and not cutting, but these are not a...
https://en.wikipedia.org/wiki?curid=693342
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Paper can be used in lithium-ion batteries as regular, commercial paper, or paper enhanced with single-walled carbon nanotubes. Enhanced paper is used as the electrode and as the separator which results in a sturdy, flexible battery that have great performance capabilities such as good cycling, great efficiency, and go...
https://en.wikipedia.org/wiki?curid=12833594
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Another test site was therefore required. For safety and security reasons, in light of the "Lucky Dragon" incident, a large site remote from population centres was required. Various remote islands in the South Pacific and Southern Oceans were considered, along with Antarctica. The Admiralty suggested the Antipodes Isla...
https://en.wikipedia.org/wiki?curid=52018264
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The PI3K pathway is a major source of drug resistance in prostate cancer. This is particularly true in castration-resistant prostate cancer, where tumours become resistant to androgen-deprivation therapy, which block the tumours ability to utilise the hormone androgen to grow. This is due to a complex feedback mechanis...
https://en.wikipedia.org/wiki?curid=25330915
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On 29 March 1943 Bolton took the initiative and introduced H.R. 2326, a bill to create and fund a training program for nurses. The Senate added an amendment that prohibited discrimination based upon race, color, or creed. At the bill's legislative hearings, hospital groups explained how distressed nursing care in civil...
https://en.wikipedia.org/wiki?curid=3685821
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The final "Computer Space" design uses no microprocessor; the entire computer system is a state machine made of 7400-series integrated circuits, with monochrome graphic elements held in diode arrays. The arrays, which Bushnell designed to let him rotate the rocket in 16 directions with only 4 arrays, are laid out in th...
https://en.wikipedia.org/wiki?curid=292879
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The proposed model is based on seminal qualitative work. The concept of value chain management capability needs further development and more extensive research is required. This study provides interesting insights to this real-life phenomenon but it also points out that theoretically it would deserve additional attenti...
https://en.wikipedia.org/wiki?curid=31348416
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The H1 neuron is located in the visual cortex of true flies of the order Diptera and mediates motor responses to visual stimuli. H1 is sensitive to horizontal motion in the visual field and enables the fly to rapidly and accurately respond to optic flow with motor corrections to stabilize flight. It is particularly res...
https://en.wikipedia.org/wiki?curid=22396342
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In the United Kingdom, clinical oncologists, who practise radiotherapy are also fully qualified to administer chemotherapy. After completion of their basic medical degree, all oncologists must train fully in general internal medicine and pass the MRCP exam, normally 3–4 years after qualification. Following this, 5 year...
https://en.wikipedia.org/wiki?curid=273501
1,465,957
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The majority of hydrogels are attached to the fibre, one exception being the fibre optic-based sensor made by Itsubayashi's group to measure glucose in fish (health indicator), which used a dialysis membrane as the support for the hydrogel. To be more specific, it relied on a GOx oxygen-ruthenium quenching assay where ...
https://en.wikipedia.org/wiki?curid=29221300
1,594,742
728,873
The Burt-McCollum sleeve valve was named for the two inventors who applied for similar patents within a few weeks of each other. The Burt system was an open sleeve type, driven from the crankshaft side, while the McCollum design had a sleeve in the head and upper part of the cylinder, and a more complex port arrangemen...
https://en.wikipedia.org/wiki?curid=147563
728,489
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MAIT cells are also activated in a MR1-dependent manner, in which a MAIT cell's semi-invariant TCR binds to the MR1 protein presenting antigen. While most T cell subsets have TCRs that recognize peptide or lipid-based antigens in association with MHC or CD1, MAIT cells are unique in that they recognize small molecules ...
https://en.wikipedia.org/wiki?curid=38751964
1,385,675
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, Marshall produced a wide range of amps with the look and sound of the Marshall valve amplifier. The longest running of such models is the JCM2000 range, which is split into the two- and three-channel series, known as the Dual and Triple Super Leads. These amplifiers are a continuation of the JCM800 and 900 series, al...
https://en.wikipedia.org/wiki?curid=1423388
307,958
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In heat-pipe tectonics, volcanism is the major heat transport mechanism in which melts of rock are transferred to the surface by localised vents. Advection, referring to the transfer of mass and heat, occurs when a moving fluid carries substances or heat to or away from a source and through a surrounding solid along ch...
https://en.wikipedia.org/wiki?curid=61748821
2,103,741
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Corticosteroids are the most frequently reported drugs for treating acute symptoms of RPON. The rationale behind their use in RPON treatment is to reduce ocular cranial nerve inflammation, which is indicated by the presence of nerve enhancement and is also theorized to be a pathophysiological mechanism of RPON, in affe...
https://en.wikipedia.org/wiki?curid=67075626
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Public Participation in decision making processes works not only to identify areas of common values or variability, but also as an illustrative and instructional tool. One example of effective dialogue and building trust between the community and decision makers comes from pre-planning for development in the United Kin...
https://en.wikipedia.org/wiki?curid=7391817
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2,067,760
Tshz1 orthologs in "Danio rerio" have largely yet to be characterized, however experiments using in-situ hybridization to mark gene expression have shown that Tshz1a is most highly expressed in the spinal cord, fore-to-hindbrain, and eye during early development. Consequently, it is suspected that Tshz1a may play a rol...
https://en.wikipedia.org/wiki?curid=41218848
2,066,569
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Apolipoprotein E (apoE) plays an important role in the transport and uptake of cholesterol by way of its high affinity interaction with lipoprotein receptors, including the low-density lipoprotein (LDL) receptor. ApoE is the major lipoprotein in the central nervous system. Recent findings with apoA1 and apoE suggest th...
https://en.wikipedia.org/wiki?curid=1593531
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The exact cause of congenital amputation is unknown and can result from a number of causes. However, most cases show that the first three months in a pregnancy are when most birth defects occur because that is when the organs of the fetus are beginning to form. One common cause is amniotic band syndrome, which occurs w...
https://en.wikipedia.org/wiki?curid=10665990
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The universality of 1- and 2-bit gates to implement arbitrary quantum computation has been proven. Up to formula_1 unitary matrix operations (formula_2) can be realized by only using mirrors, beam splitters and phase shifters (this is also a starting point of boson sampling and of computational complexity analysis for ...
https://en.wikipedia.org/wiki?curid=41312173
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AAI Corporation entered the latest variant of their long line of experimental fléchette rifles. Their entry used a standard 5.56×45mm cartridge case firing a 1.6×41.27mm fléchette of 0.66 grams at 1402 m/s. One of the biggest complaints about their earlier efforts was the loud muzzle blast, a problem that is hard to av...
https://en.wikipedia.org/wiki?curid=2391659
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Janice Musfeldt is a professor at University of Tennessee, Knoxville in physical and materials chemistry and experimental physics. She received her B.S. degree in chemical engineering from the University of Illinois in 1987 and a Ph.D. in physical chemistry from the University of Florida in 1992. She served as a post-d...
https://en.wikipedia.org/wiki?curid=65857313
2,195,952
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A number of modern historians have "rounded on scriptural geologists as simplistic fundamentalists who defended an untenable and anti-scientific worldview". Historian of science Charles Gillispie chastised a number of them as "men of the lunatic fringe, like Granville Penn, John Faber, Andrew Ure, and George Fairholme,...
https://en.wikipedia.org/wiki?curid=24068342
1,967,661
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The earliest microcomputers, like the MITS Altair 8800, generally had no built-in input/output (I/O) beyond front-panel switches and LED lamps. Useful work generally required the addition of an I/O expansion card and the use of some form of terminal. At the time, video-based terminals were very expensive, much more tha...
https://en.wikipedia.org/wiki?curid=86894
1,086,459
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Following reestablishment, the NaUKMA academic community has attempted to restore the traditions of its predecessor. However, during NaUKMA's reincarnation, several new traditions have been founded. Every year on 15 October the school celebrates "Academy day" and NaUKMA students wash the monument of the noted Kyiv-Mohy...
https://en.wikipedia.org/wiki?curid=1625631
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A second space lab, Tiangong 2, launched on 15 September 2016, 22:04:09 (UTC+8). The launch mass was 8,600 kg, with a length of 10.4m and a width of 3.35m, much like the Tiangong 1. Shenzhou 11 launched and rendezvoused with Tiangong 2 in October 2016, with an unconfirmed further mission Shenzhou 12 in the future. The ...
https://en.wikipedia.org/wiki?curid=343674
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In 2011 ViviSat a joint project between U.S. Space and ATK proposed the Mission Extension Vehicle. In 2016 ViviSat was dissolved when U.S. Space declared bankruptcy and ATK merged with Orbital Science Corporation to form Orbital ATK. In 2017 Orbital ATK got the go ahead from the FCC to begin development of the spacecra...
https://en.wikipedia.org/wiki?curid=32105997
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The most important workers to define the modern system were initially Charles Flahault, with the work of his student Josias Braun-Blanquet being the what is generally considered the final version of syntaxonomical nomenclature. Braun-Blanquet further refined and standardised the work of Flahault and many others when he...
https://en.wikipedia.org/wiki?curid=2778317
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During the fourth century AD, calligraphy came to full maturity. The Kǎishū style (traditional regular script) — still in use today — and attributed to Wang Xizhi (王羲之, 303 CE-361 AD) and his followers, is even more regularized. reached its peak in the Tang Dynasty, when famous calligraphers like Yan Zhenqing and Liu G...
https://en.wikipedia.org/wiki?curid=1119765
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Other criticism of the Early Anthropocene Hypothesis stems from its representation of American Indian societies. Humanities scholar Elizabeth DeLoughrey has posited that while the Early Anthropocene Hypothesis "traces out an eight-thousand-year history of deforestation," it "never contextualizes the histories of human ...
https://en.wikipedia.org/wiki?curid=9167123
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1,386,160
On April 19, 2000, as construction was progressing on the oval, some of the bolts holding the roof's cables sheared, causing part of the roof to collapse. Following an investigation into the cause of the accident and repairs, construction resumed in July 2000. Construction on the oval was further delayed when three wee...
https://en.wikipedia.org/wiki?curid=4248353
1,385,393
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Dynamical decoupling (DD) is an open-loop quantum control technique employed in quantum computing to suppress decoherence by taking advantage of rapid, time-dependent control modulation. In its simplest form, DD is implemented by periodic sequences of instantaneous control pulses, whose net effect is to approximately a...
https://en.wikipedia.org/wiki?curid=39721486
1,700,304
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By the 1970s, scientists were becoming increasingly aware that estimates of global temperatures showed cooling since 1945, as well as the possibility of large scale warming due to emissions of greenhouse gases. In the scientific papers which considered climate trends of the 21st century, less than 10% were inclined tow...
https://en.wikipedia.org/wiki?curid=295445
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In 1965, a major breakthrough in cancer therapy occurred. James F. Holland, Emil Freireich, and Emil Frei hypothesized that cancer chemotherapy should follow the strategy of antibiotic therapy for tuberculosis with combinations of drugs, each with a different mechanism of action. Cancer cells could conceivably mutate t...
https://en.wikipedia.org/wiki?curid=1914242
550,417
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In acute endocarditis, due to the fulminant inflammation, empirical antibiotic therapy is started immediately after the blood has been drawn for culture to clarify the bacterial organisms responsible for the infection. This usually includes vancomycin and ceftriaxone IV infusions until the infecting organism is identif...
https://en.wikipedia.org/wiki?curid=560154
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In practice, almost all chemical compounds and materials are subject to biodegradation processes. The significance, however, is in the relative rates of such processes, such as days, weeks, years or centuries. A number of factors determine the rate at which this degradation of organic compounds occurs. Factors include ...
https://en.wikipedia.org/wiki?curid=47490
767,715
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Irish scientist William Thomson (Lord Kelvin) in 1853 showed mathematically that the discharge of a Leyden jar through an inductance should be oscillatory, and derived its resonant frequency. British radio researcher Oliver Lodge, by discharging a large battery of Leyden jars through a long wire, created a tuned circui...
https://en.wikipedia.org/wiki?curid=602264
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Thomas Hunt Morgan started to work with Drosophila in 1906, and this work earned him the 1933 Nobel Prize in Medicine for identifying chromosomes as the vector of inheritance for genes. Because of the large array of tools available for studying Drosophila genetics, they have been a natural subject for studying the role...
https://en.wikipedia.org/wiki?curid=337196
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In "The University of Wisconsin: A Pictorial History", Arthur Hove states that the Experimental College "had little discernible influence beyond the university", though it served as a prototype for the university's Integrated Liberal Studies (ILS) program, spawned interest in learning, and showed the university's role ...
https://en.wikipedia.org/wiki?curid=41013618
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Hypothermia has been applied therapeutically since antiquity. The Greek physician Hippocrates, the namesake of the Hippocratic Oath, advocated the packing of wounded soldiers in snow and ice. Napoleonic surgeon Baron Dominique Jean Larrey recorded that officers who were kept closer to the fire survived less often than ...
https://en.wikipedia.org/wiki?curid=12461863
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The type was designed by an officer from the U.S. Army's Corps Of Engineers. The project was started by General John A. Johnson with the help of the Endicott and Johnson Shoe Company and financed by the Boston bankers Phelan and Ratchesky, costing $60,000 (US$ in 2022). Expertise was called in from Stanley Motor Carria...
https://en.wikipedia.org/wiki?curid=2724252
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The most prolific author on dedicated portfolio theory, Martin L. Leibowitz, was the first to refer to dedicated portfolios as “cash matching” portfolios. He demonstrated how they are the simplest case of the technique known as bond portfolio immunization. In his sketch of its history, he traces the origin of immunizat...
https://en.wikipedia.org/wiki?curid=30457132
1,978,158
971,847
After the war Alvarez was involved in the design of a liquid hydrogen bubble chamber that allowed his team to take millions of photographs of particle interactions, develop complex computer systems to measure and analyze these interactions, and discover entire families of new particles and resonance states. This work r...
https://en.wikipedia.org/wiki?curid=320445
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The five-story glass-fronted building provides of research space. This includes 1,500 square metres (16,000 sq ft) of class 100 and class 1000 clean rooms, one of which occupies the entire lower ground floor (in order to minimise vibrations) plus laser, optical, metrology and chemical laboratories, along with offices, ...
https://en.wikipedia.org/wiki?curid=40532409
1,566,147
1,388,466
An air gun is used for marine reflection and refraction surveys. It consists of one or more pneumatic chambers that are pressurized with compressed air at pressures from 14 to 21 MPa (2000 to 3000 lbf/in). Air guns are submerged below the water surface and towed behind a seismic ship. When an air gun is fired, a soleno...
https://en.wikipedia.org/wiki?curid=7736733
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30 engines, designed under the supervision of C J Bowen-Cooke, and built at Crewe during 1911–1917. Intended for duties formerly needing two locomotives. Essentially a tank version of the G class 0-8-0s. When introduced they had the then new style of 12″ letters for the company's initials on the tank sides. They were f...
https://en.wikipedia.org/wiki?curid=10386095
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Physicist and writer Philip Ball, a critic of the many-worlds interpretation, in his book "Beyond Weird", describes the quantum suicide experiment as "cognitively unstable" and exemplificatory of the difficulties of the many-worlds theory with probabilities. While he acknowledges Lev Vaidman's argument that an experime...
https://en.wikipedia.org/wiki?curid=48685
393,514
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The Churchill–Bernstein equation is valid for a wide range of Reynolds numbers and Prandtl numbers, as long as the product of the two is greater than or equal to 0.2, as defined above. The Churchill–Bernstein equation can be used for any object of cylindrical geometry in which boundary layers develop freely, without co...
https://en.wikipedia.org/wiki?curid=13624160
1,285,285
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On 1 and 2 August 2010, a series of four large CMEs were observed erupting from the Sun's Earth-facing side. These CMEs were likely connected to a C3.2-class flare from active region AR11092 despite the CMEs taking place about 400,000 km apart from the region. On 4 August 2010, a G2 (moderate) geomagnetic storm caused ...
https://en.wikipedia.org/wiki?curid=12728898
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The various NITs function autonomously, and their special status as "Institutes of National Importance" facilitates the smooth running of NITs, virtually free from both regional as well as a student politics. Such autonomy means that NITs can create their own curricula and adapt rapidly to the changes in educational re...
https://en.wikipedia.org/wiki?curid=667820
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The Financial Stability Forum met in Rome on 28–29 March 2008 in connection with the Bank for International Settlements. Members discussed current challenges in financial markets, and various policy options to address them from this point forward. At this meeting, the FSF discussed a report to be delivered to G7 Financ...
https://en.wikipedia.org/wiki?curid=22263201
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Philbin has been responsible for teaching children and teachers how to code in Python programming language and the Scratch programming language. In 2014 she began to work at the Raspberry Pi Foundation. She is a Google Certified Teacher and was a Skype Movement Maker. Philbin leads strategy, continuing professional dev...
https://en.wikipedia.org/wiki?curid=58017086
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On 5 November 1907 (a little more than a year before his death), Minkowski introduced his geometric interpretation of spacetime in a lecture to the Göttingen Mathematical society with the title, "The Relativity Principle" ("Das Relativitätsprinzip"). On 21 September 1908, Minkowski presented his famous talk, "Space and...
https://en.wikipedia.org/wiki?curid=28758
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Carboniferous deposits were laid down on and between large pre-existing land blocks and intervening troughs. The blocks are known as the Askrigg and Alston blocks. These upstanding areas and the troughs between were actively subsiding into shallow seas which were the result of a global rise in sea levels. These seas co...
https://en.wikipedia.org/wiki?curid=15480012
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Fatio's account of his gravitational theory finally published in 1929, in an edition prepared by the German historian of mathematics Karl Bopp, and then again independently in 1949 by Bernard Gagnebin, the conservator of manuscripts at the Geneva Library. Even though the modern scientific consensus is that the Fatio-Le...
https://en.wikipedia.org/wiki?curid=936885
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The text is written in an archaic form of the Greek alphabet, with some letter shapes still resembling those of the original Phoenician alphabet. For example, the Greek letter zeta (Ζ) resembles the Phoenician letter zayin (I). The text is written from right to left, with the individual letters mirror-shaped in compari...
https://en.wikipedia.org/wiki?curid=4041366
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Ear hanging methods were developed to be a cheaper alternative to lantern nets. Subsequently, research has shown that growth of ear-hung scallops can also be higher than those in lantern nets. Ear hanging involves drilling a hole in the scallop ear (the protruding margin of shell near where the two shells join) and att...
https://en.wikipedia.org/wiki?curid=28707242
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Cryoconservation is an indispensable tool in the storage of genetic material of animal origin and will continue to be useful for the conservation of livestock into the future. Cryoconservation serves as a way to preserve germplasms, which is particularly beneficial for threatened breeds. Indigenous livestock may be con...
https://en.wikipedia.org/wiki?curid=50642488
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Imagine a lattice distortion where every other ion moves closer to one neighbor and further away from the other, the unfavourable energy of the long bond between ions is outweighed by the energy gain of the short bond. The period has just doubled from formula_1 to formula_6. In essence, the proof relies on the fact tha...
https://en.wikipedia.org/wiki?curid=20685630
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It has been suggested that initial rejection of Margulis' work on the endosymbiotic theory, and the controversial nature of it as well as Gaia theory, made her identify throughout her career with scientific mavericks, outsiders, and unaccepted theories generally. In the last decade of her life, while key components of ...
https://en.wikipedia.org/wiki?curid=45473
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Interstitial hydrides most commonly exist within metals or alloys. They are traditionally termed "compounds" even though they do not strictly conform to the definition of a compound, more closely resembling common alloys such as steel. In such hydrides, hydrogen can exist as either atomic or diatomic entities. Mechanic...
https://en.wikipedia.org/wiki?curid=142100
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Leland C. Clark Jr. (December 4, 1918 – September 25, 2005) was an American biochemist born in Rochester, New York. He is most well known as the inventor of the Clark electrode, a device used for measuring oxygen in blood, water and other liquids. Clark is considered the "father of biosensors", and the modern-day gluco...
https://en.wikipedia.org/wiki?curid=15589550
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Two years prior to his consideration for tenure, approximately 130 members of the faculty of Iowa State University signed a statement co-authored by associate professors James Colbert and Hector Avalos and assistant professor Michael Clough opposing "all attempts to represent Intelligent Design as a scientific endeavor...
https://en.wikipedia.org/wiki?curid=4140198
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Gastrointestinal nematodes may elicit a variety of host immune responses depending on the initial immune status of the host, parasite species, and environmental conditions. The body has several physical defense mechanisms against parasites including the continual sloughing of the gut epithelium to prevent parasite atta...
https://en.wikipedia.org/wiki?curid=49996875
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Each cell typically contains several hundred of a special class of enhancers that stretch over many kilobases long DNA sequences, called "super-enhancers". These enhancers contain a large number of binding sites for sequence-specific, inducible transcription factors, and regulate expression of genes involved in cell di...
https://en.wikipedia.org/wiki?curid=215038
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Another writer who left the show during season two was David Gerrold. He wrote an episode for "The Original Series" called "The Trouble with Tribbles" and came on-board "The Next Generation" before the pilot and wrote the first version of the bible for the series. Rick Berman stated in an early memo that the new series...
https://en.wikipedia.org/wiki?curid=38229146
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In the first episode, Cox considers the fundamental nature of time while pondering the ruins at Chankillo in Peru. He explores the familiarly brief cycles of time that define the lives of humans on Earth (such as days, months, and years), and compares them to the cycles of time on a cosmically universal scale (such as ...
https://en.wikipedia.org/wiki?curid=31086430
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As the eye ages, certain changes occur that can be attributed solely to the aging process. Most of these anatomic and physiologic processes follow a gradual decline. With aging, the quality of vision worsens due to reasons independent of diseases of the aging eye. While there are many changes of significance in the non...
https://en.wikipedia.org/wiki?curid=1070221
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