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81 year
[jiə] 1. noun1) (the period of time the earth takes to go once round the sun, about 365 days: We lived here for five years, from November 1968 to November 1973; a two-year delay.) leto2) (the period from January 1 to December 31, being 365 days, except in a leap year, when it is 366 days: in the year 1945.) leto•- yearly2. adverb(every year: The festival is held yearly.) letno- all the year round
- all year round
- long* * *[ji:, British English tudi jə:]nounleto, plural doba, starost; astronomy perioda, obhodni čas (planeta)year by year, from year to year — od leta do leta, iz leta v letoyear in year out, year after year — od leta do leta, leto za letom, skozi vsa letapoetically in years — v letih, starfor years — leta in leta, mnogo letyear-long — enoleten, leto dni trajajočlast year — lansko leto, lanicivil (common, legal) year — navadno letoleap-year, bissextile year — prestopno letochurch (Christian, ecclesiastical) year — cerkveno letoGreat Year, Perfect Year — veliko (platonsko) leto (26.000 let)astronomical, solar year — sončno letoNew year's Day — novoletni dan, Novo leto (l. jan.)New year's Eve — novoletni večer, silvestrovoin the year of our Lord, in the year of grace — v letu Gospodovemhe is well on in years — on je že v letih, je že star -
82 Science
It is a common notion, or at least it is implied in many common modes of speech, that the thoughts, feelings, and actions of sentient beings are not a subject of science.... This notion seems to involve some confusion of ideas, which it is necessary to begin by clearing up. Any facts are fitted, in themselves, to be a subject of science, which follow one another according to constant laws; although those laws may not have been discovered, nor even to be discoverable by our existing resources. (Mill, 1900, B. VI, Chap. 3, Sec. 1)One class of natural philosophers has always a tendency to combine the phenomena and to discover their analogies; another class, on the contrary, employs all its efforts in showing the disparities of things. Both tendencies are necessary for the perfection of science, the one for its progress, the other for its correctness. The philosophers of the first of these classes are guided by the sense of unity throughout nature; the philosophers of the second have their minds more directed towards the certainty of our knowledge. The one are absorbed in search of principles, and neglect often the peculiarities, and not seldom the strictness of demonstration; the other consider the science only as the investigation of facts, but in their laudable zeal they often lose sight of the harmony of the whole, which is the character of truth. Those who look for the stamp of divinity on every thing around them, consider the opposite pursuits as ignoble and even as irreligious; while those who are engaged in the search after truth, look upon the other as unphilosophical enthusiasts, and perhaps as phantastical contemners of truth.... This conflict of opinions keeps science alive, and promotes it by an oscillatory progress. (Oersted, 1920, p. 352)Most of the fundamental ideas of science are essentially simple, and may, as a rule, be expressed in a language comprehensible to everyone. (Einstein & Infeld, 1938, p. 27)A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die, and a new generation grows up that is familiar with it. (Planck, 1949, pp. 33-34)[Original quotation: "Eine neue wissenschaftliche Wahrheit pflegt sich nicht in der Weise durchzusetzen, dass ihre Gegner ueberzeugt werden und sich as belehrt erklaeren, sondern vielmehr dadurch, dass die Gegner allmaehlich aussterben und dass die heranwachsende Generation von vornherein mit der Wahrheit vertraut gemacht ist." (Planck, 1990, p. 15)]I had always looked upon the search for the absolute as the noblest and most worth while task of science. (Planck, 1949, p. 46)If you cannot-in the long run-tell everyone what you have been doing, your doing has been worthless. (SchroЁdinger, 1951, pp. 7-8)Even for the physicist the description in plain language will be a criterion of the degree of understanding that has been reached. (Heisenberg, 1958, p. 168)The old scientific ideal of episteґmeґ-of absolutely certain, demonstrable knowledge-has proved to be an idol. The demand for scientific objectivity makes it inevitable that every scientific statement must remain tentative forever. It may indeed be corroborated, but every corroboration is relative to other statements which, again, are tentative. Only in our subjective experiences of conviction, in our subjective faith, can we be "absolutely certain." (Popper, 1959, p. 280)The layman, taught to revere scientists for their absolute respect for the observed facts, and for the judiciously detached and purely provisional manner in which they hold scientific theories (always ready to abandon a theory at the sight of any contradictory evidence) might well have thought that, at Miller's announcement of this overwhelming evidence of a "positive effect" [indicating that the speed of light is not independent from the motion of the observer, as Einstein's theory of relativity demands] in his presidential address to the American Physical Society on December 29th, 1925, his audience would have instantly abandoned the theory of relativity. Or, at the very least, that scientists-wont to look down from the pinnacle of their intellectual humility upon the rest of dogmatic mankind-might suspend judgment in this matter until Miller's results could be accounted for without impairing the theory of relativity. But no: by that time they had so well closed their minds to any suggestion which threatened the new rationality achieved by Einstein's world-picture, that it was almost impossible for them to think again in different terms. Little attention was paid to the experiments, the evidence being set aside in the hope that it would one day turn out to be wrong. (Polanyi, 1958, pp. 12-13)The practice of normal science depends on the ability, acquired from examplars, to group objects and situations into similarity sets which are primitive in the sense that the grouping is done without an answer to the question, "Similar with respect to what?" (Kuhn, 1970, p. 200)Science in general... does not consist in collecting what we already know and arranging it in this or that kind of pattern. It consists in fastening upon something we do not know, and trying to discover it. (Collingwood, 1972, p. 9)Scientific fields emerge as the concerns of scientists congeal around various phenomena. Sciences are not defined, they are recognized. (Newell, 1973a, p. 1)This is often the way it is in physics-our mistake is not that we take our theories too seriously, but that we do not take them seriously enough. I do not think it is possible really to understand the successes of science without understanding how hard it is-how easy it is to be led astray, how difficult it is to know at any time what is the next thing to be done. (Weinberg, 1977, p. 49)Science is wonderful at destroying metaphysical answers, but incapable of providing substitute ones. Science takes away foundations without providing a replacement. Whether we want to be there or not, science has put us in a position of having to live without foundations. It was shocking when Nietzsche said this, but today it is commonplace; our historical position-and no end to it is in sight-is that of having to philosophize without "foundations." (Putnam, 1987, p. 29)Historical dictionary of quotations in cognitive science > Science
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83 mois
mois [mwa]masculine nouna. monthb. ( = salaire) monthly pay* * *mwanom masculin invariable1) ( division de l'année) month2) ( salaire) monthly salary* * *mwa nm1) [année] monthau mois de janvier — in January, in the month of January
2) (= salaire) monthly pay* * *1 ( division de l'année) month; le livre/disque du mois the book/record of the month; le mois dernier/prochain last/next month; au mois de juin in June; faire un stage de six mois to do a six-month training course; un bébé de trois mois a three-month-old baby; il a trois mois he's three months old; elle est enceinte de trois mois she's three months pregnant; il a mis des mois à s'en remettre it took him months to recover; gagner 2 000 euros par mois to earn 2,000 euros a month; il y a cinq mois de cela that was five months ago; il y a un mois qu'il travaille he has been working for a month; c'est dans un mois it's in a month('s time); à moins de deux mois du premier tour with the first round less than two months away; louer au mois to rent by the month;2 ( salaire) monthly salary.mois civil calendar month; mois légal thirty days; mois lunaire lunar month; mois de Marie month of Mary; mois solaire solar month.tous les 36 du mois○ once in a blue moon○.[mwa] nom masculin1. [division du calendrier] monthle mois de mai/décembre the month of May/Decemberau début/à la fin du mois d'avril in early/late Aprilau milieu du mois d'août in mid-August ou the middle of August2. [durée] monthtous les mois every ou each month, monthlydans un mois in a month, in a month's timependant mes mois de grossesse/d'apprentissage during the months when I was pregnant/serving my apprenticeship3. [salaire] monthly wage ou salary ou pay[versement] monthly instalmenta. [de salaire] I owe you three months' wagesb. [de loyer] I owe you three months' rentmois double, treizième mois extra month's pay (income bonus equal to an extra month's salary and paid annually)————————au mois locution adverbiale -
84 nuit
nuit [nyi]1. feminine noun• bonne nuit ! goodnight!• leur bébé fait ses nuits (inf) their baby sleeps right through the night (PROV) la nuit porte conseil it's best to sleep on it2. compounds* * *nɥi1) ( période) nightvol/équipe de nuit — night flight/shift
2) ( date) night3) ( obscurité)avant la nuit — before dark ou nightfall
à la nuit tombante, à la tombée de la nuit — at nightfall
il faisait nuit noire, il faisait une nuit d'encre — it was pitch dark
depuis la nuit des temps — since the dawn of time; gris
•Phrasal Verbs:••attends demain pour donner ta réponse: la nuit porte conseil — wait till tomorrow to give your answer: sleep on it first
* * *nɥi nf1) (= moment) nightIls ont fait du bruit toute la nuit. — They were noisy all night.
cette nuit (= hier) — last night, (= aujourd'hui) tonight
Il va rentrer cette nuit. — He'll be back tonight.
2) (= obscurité)3) [hôtel] night* * *nuit nf1 ( période) night; en hiver, les nuits sont longues in winter the nights are long; cette nuit tonight; en une nuit in one night; toute la nuit all night (long); en pleine nuit in the middle of the night; au cœur de la nuit at dead of night; travailler/étudier/conduire la nuit to work/study/drive at night; après une nuit de voiture/train after a night spent travellingGB in the car/train; une nuit d'hôtel a night in a hotel; une chambre à 50 euros la nuit a room at 50 euros a night; une nuit de débauche/travail a night of debauchery/work; il passe ses nuits à lire he spends his nights reading; ils ont voyagé de nuit they travelled by night; vol/train/équipe de nuit night flight/train/shift; ouvert toute la nuit open all night; il n'a pas dormi de la nuit he didn't sleep a wink last night; elle a passé une nuit d'angoisse she spent an anxious night; une nuit d'attente a night of waiting; faire une nuit complète, faire sa nuit to sleep right through the night; ce malade ne passera pas la nuit this patient won't last (out) the night; nuit et jour night and day; souhaiter bonne nuit à qn to wish sb goodnight;2 ( date) night; la nuit dernière last night; dans la nuit de samedi à dimanche during the night of Saturday to Sunday; par une nuit d'orage/de pleine lune/d'été on a stormy/moonlit/summer night;3 ( obscurité) la nuit tombe it's getting dark, night is falling; la nuit tombe vite en décembre night falls quickly in December; la nuit est tombée sur la ville night fell over the town; avant la nuit before dark ou nightfall ; à la nuit tombante or à la tombée de la nuit at nightfall; à la nuit (tombée) after dark ou nightfall; il fait nuit it's dark; il faisait nuit noire, il faisait une nuit d'encre it was pitch dark; ⇒ gris.nuit américaine Cin day for night; nuit blanche sleepless night; nuit bleue night of terrorist bomb attacks; la nuit éternelle eternal night; nuit de noces wedding night; la nuit des Rois Théât Twelfth Night; depuis la nuit des temps since the dawn of time; cette tradition se perd dans la nuit des temps this tradition is lost in the mists of time.c'est le jour et la nuit they're as different as chalk and cheese; attends demain pour donner ta réponse: la nuit porte conseil wait till tomorrow to give your answer: sleep on it first.[nɥi] nom fémininil fait nuit noire it's pitch-dark ou pitch-blackà la nuit tombante, à la tombée de la nuit at nightfall, at duskla nuit des temps: remonter à/se perdre dans la nuit des temps to go back to the dawn of/to be lost in the mists of timeje dors la nuit I sleep at ou during the nightune nuit de marche/repos/travail a night's walk/rest/workune nuit d'extase/de désespoir a night of ecstasy/despair3. [dans des expressions de temps]a. [pendant la nuit] in one nightb. [vite] overnightla nuit: l'émission passe tard la nuit the programme is on late at night, it's a late-night programmela nuit de mardi/vendredi Tuesday/Friday nightdans la nuit de mardi à mercredi during Tuesday night, during the night of Tuesday to Wednesdayla nuit précédente ou d'avant the previous night, the night beforela nuit suivante ou d'après the next night, the night afternuit et jour, de nuit comme de jour night and daytoute la nuit all night (long), through the nighttoutes les nuits nightly, every night4. [dans des noms de dates]5. [nuitée]————————de nuit locution adjectivale1. ZOOLOGIEanimaux/oiseaux de nuit nocturnal animals/birds3. [qui a lieu la nuit] night (modificateur)garde/vol de nuit night watch/flightconduite de nuit night-driving, driving at night————————de nuit locution adverbialetravailler de nuit to work nights ou the night shift ou at nightconduire de nuit to drive at ou by nightnuit américaine nom féminin————————nuit blanche nom féminin————————nuit bleue nom féminin -
85 year
year [jɪə(r)](a) (period of time) an m, année f;∎ this year cette année;∎ last year l'an dernier, l'année dernière;∎ next year l'année prochaine;∎ the year after next dans deux ans;∎ year by year d'année en année;∎ year after year année après année;∎ all (the) year round (pendant) toute l'année;∎ year in year out année après année;∎ it was five years last Christmas ça a fait cinq ans à Noël;∎ we'll have been here five years next Christmas cela fera cinq ans à Noël que nous sommes là;∎ after ten years in politics après dix ans passés dans la politique;∎ he spent many years working for the same company il a passé de nombreuses années dans la même société;∎ in a few years, in a few years' time dans quelques années;∎ in ten years, in ten years' time dans dix ans;∎ in years to come dans les années à venir;∎ in all my years as a social worker au cours de toutes mes années d'assistante sociale;∎ I haven't seen her for years je ne l'ai pas vue depuis des années;∎ for a few years pendant quelques années;∎ I haven't been home for two long years cela fait deux longues années que je ne suis pas rentré chez moi;∎ for years and years pendant des années;∎ she'll be busy writing her memoirs for years elle en a pour des années de travail à écrire ses mémoires;∎ two years ago il y a deux ans;∎ that was many years ago cela remonte à bien des années;∎ the batteries last (for) years les piles durent des années;∎ it took me years to build up the collection cela m'a demandé des années pour ou j'ai mis des années à rassembler cette collection;∎ he earns over £40,000 a year il gagne plus de 40 000 livres par an;∎ it cost me a year's salary cela m'a coûté un an de salaire;∎ it costs at least £5,000 a year to run a car rouler en voiture coûte au moins 5000 livres par an(b) (in calendar) an m, année f;∎ in the year 1607 en (l'an) 1607;∎ in the year of grace 1900 en l'an de grâce 1900;∎ Finance the year under review l'exercice écoulé;∎ Finance year ended 31 December 2002 exercice clos le 31 décembre 2002∎ he is fifteen years old or of age il a quinze ans;∎ the foundations are 4,000 years old les fondations sont vieilles de 4000 ans;∎ a man of eighty years un homme (âgé) de quatre-vingts ans;∎ a man of your years un homme de votre âge;∎ she died in her fiftieth year elle est morte dans sa cinquantième année;∎ she's young for her years elle fait jeune pour son âge, elle ne fait pas son âge;∎ I'm getting on in years je prends de l'âge;∎ the experience put years on/took years off her l'expérience l'a beaucoup vieillie/rajeunie;∎ smoking can take years off your life fumer peut raccourcir la durée de votre vie;∎ that dress takes years off her cette robe la fait paraître des années plus jeune ou la rajeunit beaucoup;∎ the carpet is beginning to show its years la moquette commence à trahir son âge∎ he's in the first year (at school) ≃ il est en sixième; (at college, university) il est en première année;∎ first-year students les étudiants de première année;∎ all the third year tous les élèves de troisième année, tous les troisième année;∎ she was in the year above/below me elle était dans la classe au-dessus/en dessous de la mienne(e) (for wine, coin) année f;∎ 1965 was a good year 1965 fut une bonne année ou un bon millésime►► Finance year of assessment année f d'imposition;Finance year end fin f d'exercice -
86 Ferranti, Sebastian Ziani de
[br]b. 9 April 1864 Liverpool, Englandd. 13 January 1930 Zurich, Switzerland[br]English manufacturing engineer and inventor, a pioneer and early advocate of high-voltage alternating-current electric-power systems.[br]Ferranti, who had taken an interest in electrical and mechanical devices from an early age, was educated at St Augustine's College in Ramsgate and for a short time attended evening classes at University College, London. Rather than pursue an academic career, Ferranti, who had intense practical interests, found employment in 1881 with the Siemens Company (see Werner von Siemens) in their experimental department. There he had the opportunity to superintend the installation of electric-lighting plants in various parts of the country. Becoming acquainted with Alfred Thomson, an engineer, Ferranti entered into a short-lived partnership with him to manufacture the Ferranti alternator. This generator, with a unique zig-zag armature, had an efficiency exceeding that of all its rivals. Finding that Sir William Thomson had invented a similar machine, Ferranti formed a company with him to combine the inventions and produce the Ferranti- Thomson machine. For this the Hammond Electric Light and Power Company obtained the sole selling rights.In 1885 the Grosvenor Gallery Electricity Supply Corporation was having serious problems with its Gaulard and Gibbs series distribution system. Ferranti, when consulted, reviewed the design and recommended transformers connected across constant-potential mains. In the following year, at the age of 22, he was appointed Engineer to the company and introduced the pattern of electricity supply that was eventually adopted universally. Ambitious plans by Ferranti for London envisaged the location of a generating station of unprecedented size at Deptford, about eight miles (13 km) from the city, a departure from the previous practice of placing stations within the area to be supplied. For this venture the London Electricity Supply Corporation was formed. Ferranti's bold decision to bring the supply from Deptford at the hitherto unheard-of pressure of 10,000 volts required him to design suitable cables, transformers and generators. Ferranti planned generators with 10,000 hp (7,460 kW)engines, but these were abandoned at an advanced stage of construction. Financial difficulties were caused in part when a Board of Trade enquiry in 1889 reduced the area that the company was able to supply. In spite of this adverse situation the enterprise continued on a reduced scale. Leaving the London Electricity Supply Corporation in 1892, Ferranti again started his own business, manufacturing electrical plant. He conceived the use of wax-impregnated paper-insulated cables for high voltages, which formed a landmark in the history of cable development. This method of flexible-cable manufacture was used almost exclusively until synthetic materials became available. In 1892 Ferranti obtained a patent which set out the advantages to be gained by adopting sector-shaped conductors in multi-core cables. This was to be fundamental to the future design and development of such cables.A total of 176 patents were taken out by S.Z. de Ferranti. His varied and numerous inventions included a successful mercury-motor energy meter and improvements to textile-yarn produc-tion. A transmission-line phenomenon where the open-circuit voltage at the receiving end of a long line is greater than the sending voltage was named the Ferranti Effect after him.[br]Principal Honours and DistinctionsFRS 1927. President, Institution of Electrical Engineers 1910 and 1911. Institution of Electrical Engineers Faraday Medal 1924.Bibliography18 July 1882, British patent no. 3,419 (Ferranti's first alternator).13 December 1892, British patent no. 22,923 (shaped conductors of multi-core cables). 1929, "Electricity in the service of man", Journal of the Institution of Electrical Engineers 67: 125–30.Further ReadingG.Z.de Ferranti and R. Ince, 1934, The Life and Letters of Sebastian Ziani de Ferranti, London.A.Ridding, 1964, S.Z.de Ferranti. Pioneer of Electric Power, London: Science Museum and HMSO (a concise biography).R.H.Parsons, 1939, Early Days of the Power Station Industry, Cambridge, pp. 21–41.GWBiographical history of technology > Ferranti, Sebastian Ziani de
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87 Lebon, Philippe
SUBJECT AREA: Public utilities[br]b. 29 May 1767 Bruchey, near Joinville, Franced. 2 December 1804 Paris, France[br]French pioneer of gas lighting.[br]Lebon was the son of a court official under Louis XV. He entered the Ecole des Ponts et Chaussées and graduated in 1792, by which time he had acquired a considerable reputation as a scientific engineer. He is credited with the invention of the firetube steam boiler and of the superheater, and he also devised an engine to work by gas, but from 1792 until his untimely death he worked mainly on his experiments to produce an inflammable gas for lighting purposes. He submitted a paper on the subject in 1799 to the Institut National and received a patent in the same year. The patent covers the detailed making and application of gas for light, heat and power, and the recovery of by-products. It describes the production of the gas by the carbonization of coal, although Lebon in feet used only wood gas for his experiments and demonstrations. He began demonstrations in a private house in Paris, but these attracted little attention. He achieved wider public interest when he moved to the Hôtel Seignelay, where he started a series of public demonstrations in 1801, but he attracted little profit, and in fact lost his money in his experiments. He then set up a plant near Rouen to manufacture wood tar, but his career was brought to an end by his brutal murder in the Champs Elysées in Paris. William Murdock was working along similar lines in England, although Lebon knew nothing of his experiments. The German entrepreneur F.A. Winsor visited Lebon and managed to discover the essentials of his processes, which he turned to good account in England with the founding of the Gas, Light \& Coke Company.[br]Further ReadingS.T.McCloy, 1952, French Inventors of the Eighteenth Century.A.Fayol, 1943, Philippe Lebon et le gaz d'éclair-age.LRD -
88 Menzies, Michael
[br]b. end of the seventeenth century Lanarkshire, Scotland (?)d. 13 December 1766 Edinburgh, Scotland[br]Scottish inventor and lawyer.[br]Menzies was admitted as a member of the Faculty of Advocates on 31 January 1719. It is evident from his applications for patents that he was more concerned with inventions than the law, however. He took out his first patent in 1734 for a threshing machine in which a number of flails were attached to a horizontal axis, which was moved rapidly forwards and backwards through half a revolution, essentially imitating the action of an ordinary flail. The grain to be threshed was placed on either side.Though not a practical success, Menzies's invention seems to have been the first for the mechanical threshing of grain. His idea of imitating non-mechanized action also influenced his invention of a coal cutter, for which he took out a patent in 1761 and which copied miners' tools for obtaining coal. He proposed to carry heavy chains down the pit so that they could be used to give motion to iron picks, saws or other chains with cutting implements. The chains could be set into motion by a steam-engine, by water-or windmills, or by horses gins. Although it is quite obvious that this apparatus could not work, Menzies was the first to have thought of mechanizing coal production in the style that was in use in the late twentieth century. Subsequent to Menzies's proposal, many inventors at varying intervals followed this direction until the problem was finally solved one century later by, among others, W.E. Garforth.Menzies had successfully used the power of a steam-engine on the Wear eight years beforehand, when he obtained a patent for raising coal. According to his device a descending bucket filled with water raised a basket of coals, while a steam-engine pumped the water back to the surface; the balance-tub system, in various forms, quickly spread to other coalfields. Menzies's patent from 1750 for improved methods of carrying the coals from the coalface to the pit-shaft had also been of considerable influence: this device employed self-acting inclined planes, whereon the descending loaded wagons hauled up the empty ones.[br]Further ReadingThe article entitled "Michael Menzies" in the Dictionary of National Biography neglects Menzies's inventions for mining. A comprehensive evaluation of his influence on coal cutting is given in the introductory chapter of S.F.Walker, 1902, Coal-Cutting byMachinery, London.WK -
89 Meusnier, Jean Baptiste Marie
SUBJECT AREA: Aerospace[br]b. 1754 Tours, Franced. 1793 Mainz, Germany[br]French designer of the "dirigible balloon" (airship).[br]Just a few days after the first balloon flight by the relatively primitive Montgolfier hot-air balloon, a design for a sophisticated steerable or "dirigible" balloon was proposed by a young French army officer. On 3 December 1783, Lieutenant (later General) Jean Baptiste Marie Meusnier of the Corps of Engineers presented to the Académie des Sciences a paper entitled Mémoire sur l'équilibre des machines aérostatiques. This outlined Meusnier's ideas and so impressed the learned members of the Academy that they commissioned him to make a more complete study. This was published in 1784 and contained sixteen water-colour drawings of the proposed airship, which are preserved by the Musée de l'Air in Paris.Meusnier's "machine aérostatique" was ellipsoidal in shape, in contrast to those of his unsuccessful contemporaries who tried to make spherical balloons steerable, often using oars for propulsion. Meusnier's proposed airship was 79.2 m (260 ft) long with the crew in a slim boat slung below the envelope (in case of a landing on water); it was steered by a large sail-like rudder at the rear end. Between the envelope and the boat were three propellers, which were to be manually driven as there was no suitable engine available; this was the first design for a propeller-driven aircraft. The most important innovation was a ballonnet, a balloon within the main envelope that was pressurized with air supplied by bellows in the boat. Varying the amount of air in the ballonnet would compensate for changes in the volume of hydrogen gas in the main envelope when the airship changed altitude. The ballonnet would also help to maintain the external shape of the main envelope.General Meusnier was killed in action in 1793 and it was almost one hundred years from the date of his publication that his idea of ballonnets was put into practice, by Dupuy de Lome in 1872, and later by Renard and Krebs.[br]Bibliography1784, Mémoire sur l'équilibre des machines aérostatiques, Paris; repub. Paris: Musée de l'Air.Further ReadingL.T.C.Rolt, 1966, The Aeronauts, London (paperback 1985). Basil Clarke, 1961, The History of Airships, London.JDSBiographical history of technology > Meusnier, Jean Baptiste Marie
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90 Voisin, Gabriel
SUBJECT AREA: Aerospace[br]b. 5 February 1880 Belleville-sur-Saône, Franced. 25 December 1973 Ozenay, France[br]French manufacturer of aeroplanes in the early years of aviation.[br]Gabriel Voisin was one of a group of aviation pioneers working in France c. 1905. One of the leaders of this group was a rich lawyer-sportsman, Ernest Archdeacon. For a number of years they had been building gliders based on those of the Wright brothers. Archdeacon's glider of 1904 was flown by Voisin, who went on to assist in the design and manufacture of gliders for Archdeacon and Louis Blériot, including successful float-gliders. Gabriel Voisin was joined by his brother Charles in 1905 and they set up the first commercial aircraft factory. As the Voisins had limited funds, they had to seek customers who could afford to indulge in the fashionable hobby of flying. One was Santos- Dumont, who commissioned Voisin to build his "14 bis" aeroplane in 1906.Early in 1907 the Voisins built their first powered aeroplane, but it was not a success.Later that year they completed a biplane for a Paris sculptor, Léon Delagrange, and another for Henri Farman. The basic Voisin was a biplane with the engine behind the pilot and a "pusher" propeller. Pitching was controlled by biplane elevators forward of the pilot and rudders were fitted to the box kite tail, but there was no control of roll.Improvements were gradually introduced by the Voisins and their customers, such as Farman. Incidentally, to flatter their clients the Voisins often named the aircraft after them, thus causing some confusion to historians. Many Voisins were built up until 1910, when the company's fortunes sank. Competition was growing, the factory was flooded, and Charles left. Gabriel started again, building robust biplanes of steel construction. Voisin bombers were widely used during the First World War, and a subsidiary factory was built in Russia.In August 1917, Voisin sold his business when the French Air Ministry decided that Voisin aeroplanes were obsolete and that the factory should be turned over to the building of engines. After the war he started another business making prefabricated houses, and then turned to manufacturing motor cars. From 1919 to 1939 his company produced various models, mainly for the luxury end of the market but also including a few sports and racing cars. In the early 1950s he designed a small two-seater, which was built by the Biscuter company in Spain. The Voisin company finally closed in 1958.[br]Principal Honours and DistinctionsChevalier de la Légion d'honneur 1909. Académie des Sciences Gold Medal 1909.Bibliography1961, Mes dix milles cerfs-volants, France; repub. 1963 as Men, Women and 10,000 Kites, London (autobiography; an eminent reviewer said, "it contains so many demonstrable absurdities, untruths and misleading statements, that one does not know how much of the rest one can believe").1962, Mes Mille et un voitures, France (covers his cars).Further ReadingC.H.Gibbs-Smith, 1965, The Invention of the Aeroplane 1799–1909, London (includes an account of Voisin's contribution to aviation and a list of his early aircraft).Jane's Fighting Aircraft of World War I, London; reprinted 1990 (provides details of Voisin's 1914–18 aircraft).E.Chadeau, 1987, L'Industrie aéronautique en France 1900–1950, de Blériot à Dassault, Paris.G.N.Georgano, 1968, Encyclopedia of Motor Cars 1885 to the Present, New York (includes brief descriptions of Voisin's cars).JDS -
91 Watson-Watt, Sir Robert Alexander
[br]b. 13 April 1892 Brechin, Angus, Scotlandd. 6 December 1973 Inverness, Scotland[br]Scottish engineer and scientific adviser known for his work on radar.[br]Following education at Brechin High School, Watson-Watt entered University College, Dundee (then a part of the University of St Andrews), obtaining a BSc in engineering in 1912. From 1912 until 1921 he was Assistant to the Professor of Natural Philosophy at St Andrews, but during the First World War he also held various posts in the Meteorological Office. During. this time, in 1916 he proposed the use of cathode ray oscillographs for radio-direction-finding displays. He joined the newly formed Radio Research Station at Slough when it was opened in 1924, and 3 years later, when it amalgamated with the Radio Section of the National Physical Laboratory, he became Superintendent at Slough. At this time he proposed the name "ionosphere" for the ionized layer in the upper atmosphere. With E.V. Appleton and J.F.Herd he developed the "squegger" hard-valve transformer-coupled timebase and with the latter devised a direction-finding radio-goniometer.In 1933 he was asked to investigate possible aircraft counter-measures. He soon showed that it was impossible to make the wished-for radio "death-ray", but had the idea of using the detection of reflected radio-waves as a means of monitoring the approach of enemy aircraft. With six assistants he developed this idea and constructed an experimental system of radar (RAdio Detection And Ranging) in which arrays of aerials were used to detect the reflected signals and deduce the bearing and height. To realize a practical system, in September 1936 he was appointed Director of the Bawdsey Research Station near Felixstowe and carried out operational studies of radar. The result was that within two years the East Coast of the British Isles was equipped with a network of radar transmitters and receivers working in the 7–14 metre band—the so-called "chain-home" system—which did so much to assist the efficient deployment of RAF Fighter Command against German bombing raids on Britain in the early years of the Second World War.In 1938 he moved to the Air Ministry as Director of Communications Development, becoming Scientific Adviser to the Air Ministry and Ministry of Aircraft Production in 1940, then Deputy Chairman of the War Cabinet Radio Board in 1943. After the war he set up Sir Robert Watson-Watt \& Partners, an industrial consultant firm. He then spent some years in relative retirement in Canada, but returned to Scotland before his death.[br]Principal Honours and DistinctionsKnighted 1942. CBE 1941. FRS 1941. US Medal of Merit 1946. Royal Society Hughes Medal 1948. Franklin Institute Elliot Cresson Medal 1957. LLD St Andrews 1943. At various times: President, Royal Meteorological Society, Institute of Navigation and Institute of Professional Civil Servants; Vice-President, American Institute of Radio Engineers.Bibliography1923, with E.V.Appleton \& J.F.Herd, British patent no. 235,254 (for the "squegger"). 1926, with J.F.Herd, "An instantaneous direction reading radio goniometer", Journal ofthe Institution of Electrical Engineers 64:611.1933, The Cathode Ray Oscillograph in Radio Research.1935, Through the Weather Hours (autobiography).1936, "Polarisation errors in direction finders", Wireless Engineer 13:3. 1958, Three Steps to Victory.1959, The Pulse of Radar.1961, Man's Means to his End.Further ReadingS.S.Swords, 1986, Technical History of the Beginnings of Radar, Stevenage: Peter Peregrinus.KFBiographical history of technology > Watson-Watt, Sir Robert Alexander
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92 bolívar
m.1 bolivar, unit currency of Venezuela.2 Bolivar, Simon Bolivar.* * *1 bolivar (monetary unit of Venezuela)* * *- no verle la cara a Bolívar* * *masculino bolivar ( Venezuelan unit of currency)* * *masculino bolivar ( Venezuelan unit of currency)* * *bolivar ( Venezuelan unit of currency)* * *
bolívar sustantivo masculino
bolivar ( Venezuelan unit of currency)
bolívar sustantivo masculino bolivar (national currency of Venezuela)
' bolívar' also found in these entries:
Spanish:
céntimo
* * *Bolívar n pr(Simón) Bolívar (Simon) BolivarBOLÍVARThe greatest of the leaders of Latin America's struggle for independence from Spain, Simon Bolivar was born in Caracas, Venezuela on 24 July 1783. From an early age he was an advocate of independence from Spain, and he propagandized for it on his travels through Latin America, Europe and the United States. Venezuela declared itself independent in 1811 at his prompting, and in 1813 he led a victorious army into Caracas, gaining for himself the title of “Libertador” (“Liberator”). In 1819 he founded the state of Gran Colombia (including modern-day Venezuela, Colombia, Panama and Ecuador), and became its first president. His only rival of equivalent stature was José de San Martin, who freed his native Argentina and helped in the liberation of Chile and Peru. After Bolivar met San Martin in 1822, the Argentinian resigned his position as protector of Peru and went into exile in France. Bolivar's subsequent victory at the battle of Ayacucho in 1824 finally secured independence for Peru and brought an end to Spanish rule in South America. In 1826 he opened the Congress of Panama, which sought to give concrete form to his ideal of a united confederation of Latin American states – an ideal which has been cherished by many Latin Americans since his day. Disillusioned by the failure of his pan-American ideal in practice, he retired from public life in 1830 and died on 17 December of the same year.* * *m bolivar (currency unit of Venezuela)* * *bolívar nm: bolivar (monetary unit of Venezuela) -
93 с
1. со предл. (тв.)with; (и) andон приехал с детьми — he came with the children
с пером в руке — with a pen in one's hand
со смехом — with a laugh, with laughter
повидать отца с матерью — see* one's father and mother
мы с тобой, мы с вами — you and I
♢
с работой всё хорошо — the work's going on all rightс годами, с возрастом это пройдёт — it will pass with the years, with age
проснуться с зарёй — awake* with the dawn
с курьером — by courier / messenger
2. со предл. (рд.)спешить с отъездом — be in a hurry to leave; другие особые случаи приведены под теми словами, с которыми предл. с образует тесные сочетания
1. (в разн. знач.) from; (прочь тж.) ofупасть с крыши — fall* from a roof
сбросить со стола — throw* off / from the table
сойти с балкона — come* down from a balcony
снять кольцо с пальца — take* a ring off / from one's finger
приехать с Кавказа — come* from the Caucasus
съехать с дачи, с квартиры — move from a country-house*, from a flat
уйти с поста — leave* one's post
писать портрет с кого-л. — paint smb.'s picture
брать пример с кого-л. — follow smb.'s example
с радости, с горя — with / for joy, grief
с досады, со злости — with vexation, with anger
со стыда — for / with shame
2. (о времени: от) from; ( начиная с такого-то времени — о прошлом) since; ( о будущем) beginning from; (о годах, месяцах) in; ( о днях) on; ( о часах) atон будет работать там с января, пятницы, трёх часов — he will start working there beginning from January, Friday, three o'clock
он начнёт работать там с января, с пятницы, с трёх часов — he will start working there in January, on Friday, at three o'clock
♢
с первого взгляда — at first sightвзять с бою — take* by storm
писать с большой буквы — write* with a capital letter
с чьего-л. разрешения, с чьего-л. позволения — with smb.'s permission
устать с дороги — be tired after a journey
3. со предл. (вн.)с меня довольно — I have had enough; другие особые случаи по возможности приведены под теми словами, с которыми предл. с образует тесные сочетания
the size of; ( с оттенком приблизительности) about -
94 Forsyth, Alexander John
SUBJECT AREA: Weapons and armour[br]b. 28 December 1769 Belhevie, Aberdeenshire, Scotlandd. 11 June 1843 Belhevie, Aberdeenshire, Scotland[br]Scottish cleric and ammunition designer.[br]The son of a Scottish Presbyterian minister, Forsyth also took Holy Orders and took over his father's parish on his death. During his spare time he experimented with explosives and in 1805 he succeeded in developing mercury fulminate as a percussion cap for use in small-arms ammunition, thus paving the way for the eventual design of the self-contained metallic cartridge and contact fuse. This he did by rolling the compound into small pellets, which he placed in a nipple at the breech end of the barrel, where they could be detonated by the falling hammer of the gun. In spring 1806 he went to London, and so impressed was the Master-General of the Ordnance by Forsyth's concept that he gave him facilities in the Tower of London in order to allow him to perfect it. Unfortunately, the Master-General of the Ordnance was replaced shortly afterwards and his successor abruptly stopped the project. Forsyth returned to Scotland and his parish, and it was only after much persuasion by his friends that he eventually petitioned Parliament for recognition of his invention. He was ultimately awarded a small state pension, but died before he received any of it.CMBiographical history of technology > Forsyth, Alexander John
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95 hörmeitiðr
m. a απ. λεγ. in Hým. end; may not this word contain a variation or corruption of some month’s name, occurring under various forms in A. S. and Germ., and of which the Scandin. form is not known, such as Horemaent = November or December, Hornunc = February, Hartmonat = January (Dr. Karl Weinhold),—months of great festivals and sacrifices? For an attempt at interpretation of the passage, see véar, p. 687, col. 1, at bottom. -
96 horridus
horrĭdus, a, um, adj. [horreo], standing on end, sticking out, rough, shaggy, bristly, prickly:II. A.non hac barbula, qua ista delectatur, sed illa horrida, quam in statuis antiquis et imaginibus videmus,
Cic. Cael. 14, 33:caesaries,
Ov. M. 10, 139:pluma,
id. Am. 2, 6, 5:apes horridi pili,
Col. 9, 3, 1; cf.:apes horridae aspectu,
Plin. 11, 18, 19, § 59:sus,
Verg. G. 4, 407; cf.:videar tibi amarior herbis, Horridior rusco,
id. E. 7, 42:densis hastilibus horrida myrtus,
id. A. 3, 23; cf.:arbor spinis,
Plin. 12, 15, 34, § 67:horrida siccae silva comae,
Juv. 9, 12. —Lit.:2.horrida signis chlamys,
Val. Fl. 5, 558 (for which:aspera signis pocula,
Verg. A. 9, 263:membra videres Horrida paedore,
Lucr. 6, 1269:pecudis jecur horridum et exile,
Cic. Div. 2, 13, 30:horrida villosa corpora veste tegant,
Tib. 2, 3, 75:pastor,
Ov. M. 1, 514:Ilia cultu,
id. Am. 3, 6, 47; cf.:Acestes in jaculis et pelle Libystidis ursae,
Verg. A. 5, 37:Silvanus,
Hor. C. 3, 29, 22: Africa terribili tremit horrida terra tumultu, Enn. ap. Fest. p. 153 Müll. (Ann. v. 311 Vahl.); cf.:Aetnensis ager et campus Leontinus sic erat deformis atque horridus, ut, etc.,
Cic. Verr. 2, 3, 18, § 47 fin.:horridior locus,
Ov. P. 1, 3, 83:silva fuit, late dumis atque ilice nigra Horrida,
Verg. A. 9, 382:sedes Taenari,
Hor. C. 1, 34, 10:argumenta, velut horrida et confragosa, vitantes,
Quint. 5, 8, 1:inde senilis Hiems tremulo venit horrida passu,
Ov. M. 15, 212; cf.:cum Juppiter horridus austris Torquet aquosam hiemem,
Verg. A. 9, 670:bruma,
id. G. 3, 442:December,
Mart. 7, 36, 5:stiria,
Verg. G. 3, 366:grando,
id. ib. 1, 449:tempestas,
Hor. Epod. 13, 1; Varr. ap. Plin. 18, 35, 79, § 349:fluctus,
Hor. Epod. 10, 3; cf.:aequora,
id. C. 3, 24, 40.— Poet.: si premerem ventosas horridus Alpes, qs. enveloped in horror, shuddering, Ov. Am. 2, 16, 19.—Of taste:sapor,
harsh, raw, Plin. 34, 13, 33, § 129; cf. id. 13, 4, 9, § 43:ruta silvestris horrida ad effectum est,
id. 20, 13, 61, § 131: (litterae) succedunt tristes et horridae... in hoc ipso frangit multo fit horridior (littera sexta nostrarum), Quint. 12, 10, 28 sq. —Esp., with dishevelled hair:B.si magna Asturici cecidit domus, horrida mater,
Juv. 3, 212:paelex,
id. 2, 57.—Trop.1.Rough in character or manners, rude, blunt, stern, unpolished, uncouth:2.huncine hominem te amplexari tam horridum,
Plaut. Truc. 5, 41:ut vita sic oratione durus, incultus, horridus,
Cic. Brut. 31, 117; cf.:vir paulo horridior et durior,
Plin. Ep. 3, 3, 5: spernitur orator bonus, horridus miles amatur, Enn. ap. Cic. Mur. 14, 30 (Ann. v. 273 Vahl.):non ille, quamquam Socraticis madet Sermonibus, te negliget horridus,
Hor. C. 3, 21, 10:fidens juventus horrida bracchiis,
id. ib. 3, 4, 50:Germania,
id. ib. 4, 5, 26:gens,
Verg. A. 7, 746:horridus irā (Boreas), etc.,
Ov. M. 6, 685:vita,
Cic. Quint. 30, 93:virtus,
Sil. 11, 205; Stat. Th. 5, 172:aspera, tristi, horrida oratione,
Cic. Or. 5, 20; cf.:horridiora verba,
id. Brut. 17, 68:sermo,
Quint. 9, 4, 3:quaedam genera dicendi horridiora,
id. 12, 10, 10:numerus Saturnius,
Hor. Ep. 2, 1, 157:ita de horridis rebus nitida est oratio tua,
Cic. de Or. 3, 14, 51:(antiquorum imitatores) fient horridi atque jejuni,
Quint. 2, 5, 21.—With the predominating idea of an effect produced, causing tremor or horror, terrible, frightful, horrid (rare, and mostly poet. for the class. horribilis): horridiore aspectu esse, * Caes. B. G. 5, 14, 2; cf. in a Greek construction with an inf.:et desit si larga Ceres, tunc horrida cerni,
Luc. 3, 347:turba horrida aspici,
Sen. Q. N. 3, 19:vis horrida teli,
Lucr. 3, 170:acies,
Verg. A. 10, 408:castra,
id. E. 10, 23:proelia,
id. G. 2, 282:arma,
Ov. M. 1, 126:virga (mortis),
Hor. C. 1, 24, 16:fata,
Verg. A. 11, 96:jussa,
id. ib. 4, 378:paupertas,
Lucr. 6, 1282:aquilae ac signa, pulverulenta illa et cuspidibus horrida,
Plin. 13, 3, 4, § 23.— Hence, adv.: horrĭdē (acc. to II. B.), roughly, savagely, severely, sternly:vixit semper inculte atque horride,
Cic. Quint. 18, 59:horride inculteque dicere,
id. Or. 9, 28; cf. Quint. 10, 2, 17:ornamentis utetur horridius,
Cic. Or. 25, 86: alloqui mitius aut horridius. Tac. H. 1, 82.
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