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649,534 | Periodic boundary conditions (PBCs) are a set of boundary conditions which are often chosen for approximating a large (infinite) system by using a small part called a "unit cell". PBCs are often used in computer simulations and mathematical models. The topology of two-dimensional PBC is equal to that of a "world map" o... | https://en.wikipedia.org/wiki?curid=9667552 | 649,193 |
1,750,250 | Chick research of the 16th century significantly modernized ideas about human physiology. European scientists, including Ulisse Aldrovandi, Volcher Cotier and William Harvey, used the chick to demonstrate tissue differentiation, disproving the widely held belief of the time that organisms are "preformed" in their adult... | https://en.wikipedia.org/wiki?curid=36280948 | 1,749,264 |
799,743 | A common justification for the need for astronomy is the need to develop an accurate calendar for agricultural reasons. Ancient texts like Hesiod's Works and Days, an ancient farming manual, would appear to partially confirm this: astronomical observations are used in combination with ecological signs, such as bird mig... | https://en.wikipedia.org/wiki?curid=2864 | 799,317 |
118,096 | The potential health effects of the very low frequency EMFs surrounding power lines and electrical devices are the subject of on-going research and a significant amount of public debate. The US National Institute for Occupational Safety and Health (NIOSH) and other US government agencies do not consider EMFs a proven h... | https://en.wikipedia.org/wiki?curid=9735 | 118,051 |
756,375 | Researchers have also studied avatars that differ from real-life identity. Sherry Turkle described a middle-aged man who played an aggressive, confrontational female character in his online communities, displaying personality traits he was embarrassed to display in the offline world. Research by Nick Yee of the Daedelu... | https://en.wikipedia.org/wiki?curid=908746 | 755,972 |
107,529 | Pulsars orbiting within the curved space-time around Sgr A*, the supermassive black hole at the center of the Milky Way, could serve as probes of gravity in the strong-field regime. Arrival times of the pulses would be affected by special- and general-relativistic Doppler shifts and by the complicated paths that the ra... | https://en.wikipedia.org/wiki?curid=1227284 | 107,484 |
1,992,253 | In 1850 he left Zurich for the Royal Mining School in Freiberg. Despite a productive period of study under Karl Friedrich Plattner, a recurrence of his health problems, combined with two near-death experiences involving cyanide gas and mercury vapor, led him to conclude he was not cut out for the hazardous world of min... | https://en.wikipedia.org/wiki?curid=4643480 | 1,991,110 |
2,141,630 | CAP has yet to be cultured, but the ability to enrich lab-scale EBPR communities with up to 80% CAP has enabled research into its metabolism using meta-omic approaches. EBPR is generally associated with three stages: anaerobic, aerobic, and settling. For CAP to dominate in EBPR reactors, they must be able to thrive und... | https://en.wikipedia.org/wiki?curid=33601915 | 2,140,400 |
1,181,429 | Multiwire proportional counters or solid-state counters are often used as detection medium, because they provide signals with pulse heights proportional to the ionization strength. An avalanche effect in the vicinity of the anode wires strung in the readout chambers, gives the necessary signal amplification. The positi... | https://en.wikipedia.org/wiki?curid=2575969 | 1,180,805 |
1,374,161 | Another key ESA objective for the IXV was the verification of both its structure and its advanced thermal protection measures, specifically their performance during the challenging conditions present during reentry. The underside is covered by ceramic thermal protection panels composed of a blend of carbon fiber and si... | https://en.wikipedia.org/wiki?curid=4410085 | 1,373,403 |
1,658,219 | "T. asiatica" was first recognized in Taiwan, and subsequently in Korea and other Asian countries; therefore it was originally known as Asian "T. saginata", as it appeared to be exclusive to Asia. From 1952 W. H. Huang and his team had recorded that taeniasis was highly prevalent in Taiwan under the assumption that "T.... | https://en.wikipedia.org/wiki?curid=26890853 | 1,657,286 |
217,585 | While testing an early turn and slip indicator devised by his friend Elmer Sperry in 1918, United States Army Air Corps pilot William Ocker entered a graveyard spiral while flying through clouds without visual references; the turn indicator showed he was in a turn, but his senses told him he was in level flight. Emergi... | https://en.wikipedia.org/wiki?curid=888928 | 217,477 |
1,326,313 | A clear-cut design of active inhibitors was still not possible because in the complex multi-step chemistry the influence of a substituent on each step in the cascade could be different, and therefore not predictable for the overall rate of the prerequisite acid activation. Smith Kline and French, that entered into coll... | https://en.wikipedia.org/wiki?curid=29482459 | 1,325,586 |
1,129,461 | Dynamic light scattering (DLS), also known as quasielastic light scattering (QELS), or photon correlation spectroscopy, processes the time-dependent fluctuations in scattered light intensity to yield the hydrodynamic radius of particles in solution. The hydrodynamic radius is the radius of a solid sphere with the same ... | https://en.wikipedia.org/wiki?curid=31045573 | 1,128,883 |
1,797,835 | Fragments of a work by Diocles entitled "On burning mirrors" were preserved by Eutocius in his commentary of Archimedes' "On the Sphere and the Cylinder" and also survived in an Arabic translation of the lost Greek original titled "Kitāb Dhiyūqlīs fī l-marāyā l-muḥriqa" (lit. “The book of Diocles on burning mirrors”). ... | https://en.wikipedia.org/wiki?curid=1519547 | 1,796,826 |
258,582 | One of the biggest problems facing engineers and designers of powered exoskeletons is the power supply. This is a particular issue if the exoskeleton is intended to be worn "in the field", i.e. outside a context in which the exoskeleton can be tethered to a power source. Batteries require frequent replacement or rechar... | https://en.wikipedia.org/wiki?curid=30876930 | 258,448 |
1,445,478 | An example of the use of cryoconservation to prevent the extinction of a livestock breed is the case of the Hungarian Grey cattle, or Magyar Szürke. Hungarian Grey cattle were once a dominant breed in southeastern Europe with a population of 4.9 million head in 1884. They were mainly used for draft power and meat. Howe... | https://en.wikipedia.org/wiki?curid=50642488 | 1,444,662 |
671,277 | An example of the use of cryoconservation to prevent the extinction of a livestock breed is the case of the Hungarian Grey cattle, or Magya Szurke. Hungarian Grey cattle were once a dominant breed in southeastern Europe with a population of 4.9 million head in 1884. They were mainly used for draft power and meat. Howev... | https://en.wikipedia.org/wiki?curid=2965243 | 670,925 |
985,773 | Biophilia may have slightly higher costs due to the addition of natural elements that require maintenance, higher-priced organic items, etc., however, the perceived health and environmental benefits are believed to negate this. Peter Newman found that by adding biophilic design and landscapes, cities like New York City... | https://en.wikipedia.org/wiki?curid=59271750 | 985,258 |
65,713 | In the autumn of 1884, Károly Zipernowsky, Ottó Bláthy and Miksa Déri (ZBD), three engineers associated with the Ganz Works of Budapest, determined that open-core devices were impractical, as they were incapable of reliably regulating voltage. In their joint 1885 patent applications for novel transformers (later called... | https://en.wikipedia.org/wiki?curid=42986 | 65,688 |
684,100 | The Gophers were engaged in one of the most notorious rivalries in college hockey history with the Boston University Terriers for over 30 years from 1963 to 1995. The rivalry came to its peak during the 1976 NCAA Championship Semi-Final when a bench-clearing brawl occurred only 70 seconds into the game, delaying it for... | https://en.wikipedia.org/wiki?curid=7865612 | 683,743 |
1,365,746 | In remote sensing, the electromagnetic radiation acts as the information carrier, with a distance of tens to thousands of kilometers distance between the sensor and the target. Proximal Sensing is a similar idea but often refer to laboratory and field measurements, instead of images showing a large spatial extent. Geop... | https://en.wikipedia.org/wiki?curid=55514078 | 1,364,990 |
569,585 | Lagoa Santa remains from a site nearby to the Luzia remains carry DNA regarded as Native American. Two of the Lagoa Santa individuals carry the same mtDNA haplogroup (D4h3a) also carried by older 12,000+ remains Anzick-1 found in Montana, mtDNA haplogroup A2, B2, C1d1 and three of the Lagoa Santa individuals harbor the... | https://en.wikipedia.org/wiki?curid=14819129 | 569,295 |
1,574,008 | The exact pathologic mechanism for RCN is unclear, however the onset of small vessel pathology is likely an important aspect in the cause of this condition. In general the renal cortex is under greater oxygen tension and more prone to ischemic injury, especially at the level of the proximal collecting tubule, leading t... | https://en.wikipedia.org/wiki?curid=35239980 | 1,573,119 |
2,032,728 | A theory explaining the alternation of auditory percepts is that different interpretations are neurally represented simultaneously, but all but the dominant one at the time are suppressed. This idea of competition among parallel hypotheses might provide an explanation for the temporal dynamics observed in auditory stre... | https://en.wikipedia.org/wiki?curid=42984420 | 2,031,556 |
2,042,820 | Inter-Regional Research Project Number 4 (IR-4 Project, also referred to as the Minor Crop Pest Management Program) is an agricultural program of the USDA Cooperative State Research, Education, and Extension Service which has been in effect since 1963. IR-4 works in coordination with the Environmental Protection Agency... | https://en.wikipedia.org/wiki?curid=6244692 | 2,041,640 |
70,742 | As early as the 1860s, experiments demonstrated that biologically relevant molecules can be produced from interaction of simple carbon sources with abundant inorganic catalysts. The spontaneous formation of complex polymers from abiotically generated monomers under the conditions posited by the "soup" theory is not str... | https://en.wikipedia.org/wiki?curid=19179706 | 70,715 |
484,649 | Herrerasauridae is a family of carnivorous dinosaurs, possibly basal to either theropods or even all of saurischians, or even their own branching from dracohors, separate from dinosauria altogether. They are among the oldest known dinosaurs, first appearing in the fossil record around 233.23 million years ago (the Carn... | https://en.wikipedia.org/wiki?curid=1438292 | 484,400 |
1,532,226 | In 2021 Sami Haddadin was accepted as a member of the German National Academy of Sciences Leopoldina For 2019, Haddadin was awarded the Gottfried Wilhelm Leibniz-Prize. Also in 2019 he was elected a member of the German Academy of Science and Engineering (acatech). On November 29, 2017, together with his brother Simon ... | https://en.wikipedia.org/wiki?curid=68691185 | 1,531,359 |
36,482 | The overall NASA budget of the Space Shuttle program has been estimated to be $221 billion (in 2012 dollars). The developers of the Space Shuttle advocated for reusability as a cost-saving measure, which resulted in higher development costs for presumed lower costs-per-launch. During the design of the Space Shuttle, th... | https://en.wikipedia.org/wiki?curid=28189 | 36,470 |
971,957 | The IETF fundamentally modified DNSSEC, which is called "DNSSEC-bis" when necessary to distinguish it from the original DNSSEC approach of RFC 2535. This new version uses "delegation signer (DS) resource records" to provide an additional level of indirection at delegation points between a parent and child zone. In the ... | https://en.wikipedia.org/wiki?curid=337389 | 971,447 |
1,282,429 | Flat-panel LCDs use a bright light source and filter out half of the light with a polarizer, and then filter most of the light to produce red, green and blue (RGB) sources for the sub-pixels. That means that, at best, only 1/6 (or less in practice) of the light being generated at the back of the panel reaches the scree... | https://en.wikipedia.org/wiki?curid=919057 | 1,281,733 |
844,102 | Sometimes IPA studies involve a close examination of the experiences and meaning-making activities of only one participant. Most frequently they draw on the accounts of a small number of people (6 has been suggested as a good number, although anywhere between 3 and 15 participants for a group study can be acceptable). ... | https://en.wikipedia.org/wiki?curid=7195693 | 843,652 |
240,338 | Quartz crystal oscillators were developed for high-stability frequency references during the 1920s and 1930s. Prior to crystals, radio stations controlled their frequency with tuned circuits, which could easily drift off frequency by 3–4 kHz. Since broadcast stations were assigned frequencies only 10 kHz (Americas) or ... | https://en.wikipedia.org/wiki?curid=40979 | 240,218 |
1,452,055 | Over time, the Hunterian method extended in reach to cover several Indic scripts, including Burmese and Tibetan. The Hunterian system was used to establish writing systems that used the Latin alphabet for some Indian languages that were previously not associated with a written script, such as Mizo. In the case of Mizo,... | https://en.wikipedia.org/wiki?curid=31035622 | 1,451,238 |
1,181,510 | Because only five terrestrial orders of mammals have made it to the island, each likely to have derived from a single colonization, and since these colonizations date to either the early Cenozoic or the early Miocene, the conditions for oceanic dispersal to Madagascar seem to have been better during two separate period... | https://en.wikipedia.org/wiki?curid=26770557 | 1,180,886 |
10,828 | In 1958, the Army's Combat Developments Experimentation Command ran experiments with small squads in combat situations using the M14, AR-15, and another rifle designed by Winchester. The resulting study recommended adopting a lightweight rifle like the AR-15. In response, the Army declared that all rifles and machine g... | https://en.wikipedia.org/wiki?curid=19901 | 10,823 |
204,759 | During the development of Nike-X, controversy over the effectiveness of anti-ballistic missile systems became more prominent. Critiques of the Nike-X included an estimate that the anti-ballistic missile system could be defeated by Soviets manufacturing more ICBMs, and the cost of those additional ICBMs needed to defeat... | https://en.wikipedia.org/wiki?curid=1099196 | 204,654 |
905,038 | A new category of motorcar racing unites teams which compete with cars powered by natural gas, to demonstrate the effectiveness of natural gas as an alternative fuel. ECOMOTORI (magazine) Racing Team The magazine's team participates in the FIA Alternative Energies Cup and the Italian . In 2012, the team, led by Nicola ... | https://en.wikipedia.org/wiki?curid=1038887 | 904,562 |
361,831 | Rubella, also known as German measles or three-day measles, is an infection caused by the rubella virus. This disease is often mild, with half of people not realizing that they are infected. A rash may start around two weeks after exposure and last for three days. It usually starts on the face and spreads to the rest o... | https://en.wikipedia.org/wiki?curid=172323 | 361,641 |
1,248,260 | TLR3 is a member of the toll-like receptor (TLR) family which plays a fundamental role in pathogen recognition and activation of innate immunity. TLRs are highly conserved from Drosophila to humans and share structural and functional similarities. They recognize pathogen-associated molecular patterns (PAMPs) that are e... | https://en.wikipedia.org/wiki?curid=2082102 | 1,247,584 |
903,979 | The military science on which the model of German combat operations was built for the First World War remained largely unaltered from the Napoleonic model, but took into the consideration the vast improvements in the firepower and the ability to conduct "great battles of annihilation" through rapid concentration of for... | https://en.wikipedia.org/wiki?curid=86586 | 903,503 |
395,860 | Spark Core is the foundation of the overall project. It provides distributed task dispatching, scheduling, and basic I/O functionalities, exposed through an application programming interface (for Java, Python, Scala, .NET and R) centered on the RDD abstraction (the Java API is available for other JVM languages, but is ... | https://en.wikipedia.org/wiki?curid=42164234 | 395,665 |
1,724,301 | A homologue of ChR1 in "C. reinhardtii" is channelrhodopsin-2 (ChR2; Chop2; Cop4; CSOB). This protein is 57% identical, 10% similar to ChR1. It forms a cation-selective ion channel activated by light absorption. It transports both monovalent and divalent cations. It desensitizes to a small conductance in continuous lig... | https://en.wikipedia.org/wiki?curid=48050134 | 1,723,331 |
1,091,425 | Traumatic brain injury (TBI) can deform the brain tissue, leading to necrosis primary damage which can then cascade and activate secondary damage such as excitotoxicity, inflammation, ischemia, and the breakdown of the blood-brain-barrier. Damage can escalate and eventually lead to apoptosis or cell death. Current trea... | https://en.wikipedia.org/wiki?curid=5235851 | 1,090,865 |
196,195 | The frequency of the inductive current determines the depth that the induced eddy currents penetrate the workpiece. In the simplest case of a solid round bar, the induced current decreases exponentially from the surface. An "effective" depth of the current-carrying layers can be derived as formula_1, where formula_2 is... | https://en.wikipedia.org/wiki?curid=624209 | 196,095 |
1,964,334 | Following her PhD research in 2011, Fischer became a NOAA Environmental Fellow at the Harvard University Center for the Environment. There, she "explored the processes controlling the distribution of the most important atmospheric oxidants, the hydroxyl radical and ozone." In 2013, she became an Assistant Professor at ... | https://en.wikipedia.org/wiki?curid=61611849 | 1,963,206 |
553,732 | By one estimate, the Tharsis bulge contains around 300 million km of igneous material. Assuming the magma that formed Tharsis contained carbon dioxide (CO) and water vapor in percentages comparable to that observed in Hawaiian basaltic lava, then the total amount of gases released from Tharsis magmas could have produce... | https://en.wikipedia.org/wiki?curid=329184 | 553,443 |
2,010,377 | The Bergmann degradation begins with benzoylation at the alpha-group of a peptide and subsequent conversion to an acyl azide. As in the Curtius rearrangement, the acyl azide, in the presence of benzyl alcohol and heat, rearranges to a highly reactive isocyanate intermediate, releasing nitrogen gas in the process. The i... | https://en.wikipedia.org/wiki?curid=11310997 | 2,009,225 |
986,350 | Engineers have developed an electroluminescent "skin" that can stretch more than six times its original size while still emitting light. This hyper-elastic light-emitting capacitor (HLEC) can endure more than twice the strain of previously tested stretchable displays. It consists of layers of transparent hydrogel elect... | https://en.wikipedia.org/wiki?curid=60879 | 985,835 |
251,823 | Wallace's 1904 book "Man's Place in the Universe" was the first serious attempt by a biologist to evaluate the likelihood of life on other planets. He concluded that the Earth was the only planet in the solar system that could possibly support life, mainly because it was the only one in which water could exist in the l... | https://en.wikipedia.org/wiki?curid=1494 | 251,690 |
922,631 | Gas exchange measurements are important tools in plant science: this typically involves sealing the plant (or part of a plant) in a chamber and measuring changes in the concentration of carbon dioxide and water vapour with an infrared gas analyzer. If the environmental conditions (humidity, concentration, light and tem... | https://en.wikipedia.org/wiki?curid=379303 | 922,145 |
1,755,645 | TGS crystals may be formed by evaporation of an aqueous solution of sulfuric acid, which is containing a greater than three-fold excess of glycine. They belong to the polar space group P2 and therefore are pyroelectric and ferroelectric at room temperature, exhibiting spontaneous polarization along the "b"-axis ([010] ... | https://en.wikipedia.org/wiki?curid=28255598 | 1,754,655 |
593,635 | STS-27 was the 27th NASA Space Shuttle mission, and the third flight of Space Shuttle "Atlantis". Launching on December 2, 1988, on a four-day mission, it was the second shuttle flight after the Space Shuttle "Challenger" disaster of January 1986. STS-27 carried a classified payload for the U.S. Department of Defense (... | https://en.wikipedia.org/wiki?curid=497723 | 593,331 |
1,823,257 | This assessment has evolved since its development in 1985 to include changes made to DSM criteria and to allow for efficiency in assessment. In 1985, Calvin Fredrick worked with the UCLA Trauma Psychiatry Program to develop a measure to screen for PTSD in children and adolescents based on DSM criteria—the UCLA PTSD Rea... | https://en.wikipedia.org/wiki?curid=47876952 | 1,822,219 |
1,520,778 | PHD2 catalyses the hydroxylation of two sites on HIF-α, which are termed the N-terminal oxygen dependent degradation domain (residues 395-413, NODD) and the C-terminal oxygen dependent degradation domain (residues 556-574, CODD). These two HIF substrates are usually represented by 19 amino acid long peptides in "in vit... | https://en.wikipedia.org/wiki?curid=14762247 | 1,519,917 |
2,102,948 | As a work in the history of mathematics, Malkevitch finds the book too credulous of first-person recollections of troubled political times (the lead-up to World War II) and of priority in mathematical discoveries. Ziegler points to several errors of fact in the book's history, takes issue with its insistence that each ... | https://en.wikipedia.org/wiki?curid=63069997 | 2,101,736 |
121,744 | For comparison, natural radiation levels inside the United States Capitol are such that a human body would receive an additional dose rate of 0.85 mSv/a, close to the regulatory limit, because of the uranium content of the granite structure. According to the conservative ICRP model, someone who spent 20 years inside th... | https://en.wikipedia.org/wiki?curid=155823 | 121,695 |
1,178,071 | Virtual gravitational processes do not conserve anything except gauge charges, because black holes decay into anything with the same charge. So it is difficult to suppress interactions at the gravitational scale. One way to do it is by postulating new gauge symmetries. A different way to suppress these interactions in ... | https://en.wikipedia.org/wiki?curid=16113773 | 1,177,447 |
734,861 | Robert Marsham, the founding father of modern phenological recording, was a wealthy landowner who kept systematic records of "Indications of spring" on his estate at Stratton Strawless, Norfolk, from 1736. These took the form of dates of the first occurrence of events such as flowering, bud burst, emergence or flight o... | https://en.wikipedia.org/wiki?curid=536188 | 734,474 |
138,211 | Growing military interest in this new technology caused GIRD to be merged with the Gas Dynamics Laboratory (GDL) at Leningrad in 1933 to create the Reactive Scientific Research Institute (RNII), which brought together the best of the Soviet rocket talent, including Korolev, Georgy Langemak, and former GDL engine design... | https://en.wikipedia.org/wiki?curid=86655 | 138,155 |
19,449 | Moreover, in The "Meditations", Descartes discusses a piece of wax and exposes the single most characteristic doctrine of Cartesian dualism: that the universe contained two radically different kinds of substances—the mind or soul defined as thinking, and the body defined as matter and unthinking. The Aristotelian philo... | https://en.wikipedia.org/wiki?curid=25525 | 19,441 |
2,004,254 | Strategic Urban Planning processes (SUP), also known as Urban Renewal Projects, began to appear at the end of the 20th century. The city of San Francisco (U.S.A.) carried out its process between 1982 and 1984. The main motivation behind starting strategic urban planning processes was the attempt to adequately react to ... | https://en.wikipedia.org/wiki?curid=13974002 | 2,003,105 |
1,161,678 | Rutherford served in the Legislative Assembly of the Northwest Territories until Alberta became a province in 1905. During his tenure, he was elected deputy speaker and sat on standing committees for libraries, municipal law, and education. His legislative efforts included successful attempts to extend the boundaries o... | https://en.wikipedia.org/wiki?curid=233760 | 1,161,062 |
943,194 | Mothers whose fetus is diagnosed with intrauterine growth restriction can be managed with several monitoring and delivery methods. It is currently recommended that any fetus that has growth restriction and additional structural abnormalities should be evaluated with genetic testing. In addition to evaluating the fetal ... | https://en.wikipedia.org/wiki?curid=149980 | 942,692 |
1,511,746 | The outbreak was the first time in American medicine where the press was used to inform (or alarm) the general public about a health crisis. "The New England Courant", under the leadership of its new editor 16 year-old Benjamin Franklin, continued to publish satirical articles about the Mather and inoculation in the mo... | https://en.wikipedia.org/wiki?curid=61016641 | 1,510,896 |
1,176,956 | Development of distributed-element filters began in the years before World War II. Warren P. Mason founded the field of distributed-element circuits. A major paper on the subject was published by Mason and Sykes in 1937. Mason had filed a patent much earlier, in 1927, and that patent may contain the first published ele... | https://en.wikipedia.org/wiki?curid=24231219 | 1,176,333 |
323,978 | Skeletal muscle fiber-type phenotype in adult animals is regulated by several independent signaling pathways. These include pathways involved with the Ras/mitogen-activated protein kinase (MAPK) pathway, calcineurin, calcium/calmodulin-dependent protein kinase IV, and the peroxisome proliferator γ coactivator 1 (PGC-1)... | https://en.wikipedia.org/wiki?curid=380541 | 323,806 |
624,741 | The USS included a variety of temperature, vibration, thermal, and acoustic sensors to collect the primary data needed to meet the mission objectives. It also housed the Fault Tolerant Inertial Navigation Unit (FTINU), which controlled the vehicle's flight and primary avionics functions. For stability, the FTINU was mo... | https://en.wikipedia.org/wiki?curid=11513600 | 624,408 |
650,442 | Following the Vandenberg and Kuse study, subsequent research attempted to assess the presence of gendered differences in mental rotation ability. For the first couple of decades immediately following the research, the topic was addressed in different meta-analyses with inconclusive results. However, Voyer et al. conduc... | https://en.wikipedia.org/wiki?curid=4155247 | 650,101 |
969,960 | Additionally, xeriscaping has been theorized to help offset the urban heating island (UHI) effect. UHI refers to the phenomenon in which urban areas are found to be hotter than neighboring rural sites due to large amounts of human activity. This temperature difference of a city area and its surroundings is usually high... | https://en.wikipedia.org/wiki?curid=18952530 | 969,450 |
1,056,119 | The main power source for an automatic weather station depends on its usage. Many stations with lower power equipment usually use one or more solar panels connected in parallel with a regulator and one or more rechargeable batteries. As a rule of thumb, solar output is at its optimum for only 5 hours each day. As such,... | https://en.wikipedia.org/wiki?curid=1911275 | 1,055,571 |
2,076,011 | Reviewer William Satzer writes that this book "makes serious efforts to address real students and their potential difficulties" and shifts comfortably between mathematical and physical views of its problem. Similarly, reviewer J. R. Dorfman writes that it "removes some of the language barriers that divide the worlds of... | https://en.wikipedia.org/wiki?curid=63286746 | 2,074,814 |
109,204 | Amongst the key avionics features of the aircraft are the EUROGRID battlefield management and map display systems, integrated communications (HF/VHF/FM radio and satellite) and data transfer links, a high-authority digital automatic flight control system, and redundant MIL 1553 data buses. Two redundant mission compute... | https://en.wikipedia.org/wiki?curid=310780 | 109,159 |
1,593,327 | Skating in the first pair, Annouk van der Weijden raced to a time of 6:54.17, shaving two seconds off her personal best and taking the lead. She retained it until the fourth pair, where Esmee Visser, in a consistent race lapping in the low 32 seconds, posted a time of 6:50.23. This, too, was a personal best - over 6 se... | https://en.wikipedia.org/wiki?curid=56319829 | 1,592,430 |
278,869 | The first launch attempt for STS-1 to launch was on April 10, 1981, but the launch was postponed at T–18 minutes due to a computer error. STS-1 launched at 7:00 a.m. on April 12 from LC-39A at the Kennedy Space Center. The first stage of the launch flew higher than anticipated, and the solid rocket boosters separated a... | https://en.wikipedia.org/wiki?curid=303563 | 278,719 |
216,220 | S. R. Crown Hall, erected in 1955, was considered by Mies to be one of his greatest architectural achievements. To provide for a flexible, columnless interior, he suspended the roof from four steel girders supported by eight external columns spaced 60 feet apart. S. R. Crown Hall, home to Illinois Tech's College of Arc... | https://en.wikipedia.org/wiki?curid=73299 | 216,112 |
607,761 | By the end of the 19th century, particularly as trains became longer and faster, and railroad lines grew more congested, the banjo signal was considered to have a single and terminal flaw: visibility. The internal disc was difficult to see in foggy weather and when snow clung to the glass panel. Earlier types of electr... | https://en.wikipedia.org/wiki?curid=14849714 | 607,450 |
775,028 | Makovicky and team in 2007 conducted a histological analysis on several specimens of "Protoceratops" from the American Museum of Natural History collections in order to provide insights into the life history of "Protoceratops". The examined fossil bones indicated that "Protoceratops" slowed its ontogeny (growth) around... | https://en.wikipedia.org/wiki?curid=1064031 | 774,612 |
1,813,350 | Ion bombardment of a surface may result in a drastic change of its chemical composition and structure. These changes include sputtering, amorphization, implantation, diffusion, chemical reactions, and so on. All these changes are limited to a small region surrounding the path of the primary ion into the solid. For stat... | https://en.wikipedia.org/wiki?curid=13760947 | 1,812,316 |
290,077 | Acute respiratory distress syndrome is usually treated with mechanical ventilation in the intensive care unit (ICU). Mechanical ventilation is usually delivered through a rigid tube which enters the oral cavity and is secured in the airway (endotracheal intubation), or by tracheostomy when prolonged ventilation (≥2 wee... | https://en.wikipedia.org/wiki?curid=482445 | 289,920 |
1,712,073 | His observations on the part played by organisms in the formation of the various features of reefs anticipated later studies. To establish the thickness of coral barrier reefs, he relied on the old nautical rule of thumb to project the slope of the land to that below sea level, and then applied his idea that the coral ... | https://en.wikipedia.org/wiki?curid=21185695 | 1,711,108 |
618,043 | The Type 89 discharger could also be used with a more powerful impact-detonated shell approaching the power of a light mortar. Weighing approximately , it was known as the Type 89 50 mm shell, and was made in high explosive (HE), incendiary and smoke variants. To fire the shell (which had a nose-mounted impact fuse tha... | https://en.wikipedia.org/wiki?curid=2329949 | 617,729 |
582,861 | In 2020, a study showed that the process of relaxation (adjustment) of localized large-scale pressure anomalies in the lower equatorial troposphere, generates structures strongly resembling the Madden Julian Oscillation (MJO) events, as seen in vorticity, pressure, and moisture fields. Indeed, it is demonstrated that b... | https://en.wikipedia.org/wiki?curid=1666522 | 582,562 |
2,038,126 | Before the entry into force of the Bern Convention of 1979 in 1982, wolves had been decimated to isolated relict populations in some of their formerly extensive distribution areas to end the damage caused by predation to livestock. Populations in Europe have recovered during the four decades of strict protection and ar... | https://en.wikipedia.org/wiki?curid=65629397 | 2,036,951 |
905,150 | For the 1967 model year, a 2-barrel carburetor setup was released for export production. This configuration, similar to that found on marine G-engines beginning in 1965, consisted of an iron intake manifold with open-plenum 2-barrel carburetor mounting pad, a Carter BBD carburetor, and associated air cleaner, linkage a... | https://en.wikipedia.org/wiki?curid=861486 | 904,674 |
965,117 | Due to prior experience in arms control and his personal relationship with Khrushchev, former Assistant Secretary of War John J. McCloy was first considered the likely choice for chief US negotiator in Moscow, but his name was withdrawn after he turned out to be unavailable over the summer. W. Averell Harriman, a forme... | https://en.wikipedia.org/wiki?curid=30592 | 964,608 |
1,769,380 | The machinery industry has been a leading priority since the founding of the People's Republic. The industry expanded from a few small assembly and repair facilities before 1949 to a large, widely distributed machine-building sector producing many types of modern equipment. However, as of 1987 the overall level of tech... | https://en.wikipedia.org/wiki?curid=14189344 | 1,768,386 |
595,759 | MicroPIV particles are on the order of several hundred nm in diameter, meaning they are extremely susceptible to Brownian motion. Thus, a special ensemble averaging analysis technique must be utilized for this technique. The cross-correlation of a series of basic PIV analyses are averaged together to determine the actu... | https://en.wikipedia.org/wiki?curid=1058299 | 595,454 |
376,513 | TEM instruments have multiple operating modes including conventional imaging, scanning TEM imaging (STEM), diffraction, spectroscopy, and combinations of these. Even within conventional imaging, there are many fundamentally different ways that contrast is produced, called "image contrast mechanisms". Contrast can arise... | https://en.wikipedia.org/wiki?curid=214513 | 376,318 |
65,372 | As an alternative, humanist philosopher Dwight Gilbert Jones has proposed a renewed Renaissance humanism through DNA and genome repositories, with each individual genotype (DNA) being instantiated as successive phenotypes (bodies or lives via cloning, "Church of Man", 1978). In his view, native molecular DNA "continuit... | https://en.wikipedia.org/wiki?curid=30299 | 65,347 |
761,004 | In the 18th century, the Swiss Daniel Bernoulli (1700–1782) made contributions to fluid dynamics, and vibrating strings. The Swiss Leonhard Euler (1707–1783) did special work in variational calculus, dynamics, fluid dynamics, and other areas. Also notable was the Italian-born Frenchman, Joseph-Louis Lagrange (1736–1813... | https://en.wikipedia.org/wiki?curid=173416 | 760,598 |
346 | Generally, metals are shiny and dense. They usually have high melting and boiling points due to the strength of the metallic bond, and are often malleable and ductile (easily stretched and shaped) because the atoms can move relative to each other without breaking the metallic bond. They conduct electricity because thei... | https://en.wikipedia.org/wiki?curid=23053 | 346 |
195,658 | Despite these changes, French armies still relied on plunder for a majority of their needs while on the move. Magazines were created for specific campaigns and any surplus was immediately sold for both monetary gain and to lessen the tax burden. The vehicles used to form convoys were contracted out from commercial inte... | https://en.wikipedia.org/wiki?curid=2726726 | 195,558 |
1,938,436 | Erin Schuman attended the University of Southern California (USC), where she received her B.A. in Psychology (1985). She continued her education to obtain a Ph.D. in Neuroscience from Princeton University (1990). She conducted postdoctoral research from 1990–1993 in Daniel V. Madison’s lab in the Molecular and Cellular... | https://en.wikipedia.org/wiki?curid=58886407 | 1,937,326 |
192,060 | The Rutherford engine uses pumps that are uniquely driven by battery-powered electric motors rather than a gas generator, expander, or preburner. The engine is fabricated largely by 3D printing, via electron beam melting, whereby layers of metal powder are melted in a high vacuum by an electron beam rather than a laser... | https://en.wikipedia.org/wiki?curid=25113585 | 191,961 |
370,651 | Meanwhile, in the sixties, a different approach was developed by George W. Plossl and Oliver W. Wight, this approach was continued by Joseph Orlicky as a response to the TOYOTA Manufacturing Program which led to Material Requirements Planning (MRP) at IBM, latter gaining momentum in 1972 when the American Production an... | https://en.wikipedia.org/wiki?curid=1993994 | 370,457 |
290,812 | In 2011 educators in Michigan's Clintondale High School flipped every classroom. Principal Greg Green led an effort to help teachers develop plans for flipped classrooms, and worked with social studies teacher, Andy Scheel, to run two classes with identical material and assignments, one flipped and one conventional. Th... | https://en.wikipedia.org/wiki?curid=35529150 | 290,654 |
1,292,013 | Congress established the MAFFS program after the 1970 Laguna Fire overwhelmed the existing aviation firefighting resources. The USFS was directed to develop a program in cooperation with the Air National Guard and Air Force Reserve to produce the equipment, training and operational procedures to integrate military air ... | https://en.wikipedia.org/wiki?curid=13111428 | 1,291,303 |
619,128 | When Mariner 9 arrived at Mars on November 14, 1971, planetary scientists were surprised to find the atmosphere was thick with "a planet-wide robe of dust, the largest storm ever observed." The surface was totally obscured. Mariner 9's computer was thus reprogrammed from Earth to delay imaging of the surface for a coup... | https://en.wikipedia.org/wiki?curid=37449 | 618,814 |
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