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Dionysius Lardner
Professor Dionysius Lardner FRS FRSE (3 April 179329 April 1859) was an Irish scientific writer who popularised science and technology, and edited the 133-volume '' Cabinet Cyclopædia''. Early life in Dublin He was born in Dublin on 3 April 1793 the son of William Lardner, a solicitor in Dublin, who wished his son to follow the same calling. After some years of uncongenial desk work, Lardner entered Trinity College, Dublin, in 1812, and obtained a B.A. in 1817 and an M.A. in 1819, winning many prizes. He married Cecilia Flood on 19 December 1815, but they separated in 1820 and were divorced in 1835. About the time of the separation, he began a relationship with a married woman, Anne Maria Darley Boursiquot, the wife of a Dublin wine merchant. It is believed that he fathered her son, Dion Boucicault, the actor and dramatist. Lardner provided him with financial support until 1840. Whilst in Dublin, Lardner began to write and lecture on scientific and mathematical matters, an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dublin
Dublin (; , or ) is the capital and largest city of Ireland. On a bay at the mouth of the River Liffey, it is in the province of Leinster, bordered on the south by the Dublin Mountains, a part of the Wicklow Mountains range. At the 2016 census it had a population of 1,173,179, while the preliminary results of the 2022 census recorded that County Dublin as a whole had a population of 1,450,701, and that the population of the Greater Dublin Area was over 2 million, or roughly 40% of the Republic of Ireland's total population. A settlement was established in the area by the Gaels during or before the 7th century, followed by the Vikings. As the Kingdom of Dublin grew, it became Ireland's principal settlement by the 12th century Anglo-Norman invasion of Ireland. The city expanded rapidly from the 17th century and was briefly the second largest in the British Empire and sixth largest in Western Europe after the Acts of Union in 1800. Following independence in 1922, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Steam Engine
A steam engine is a heat engine that performs mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure to push a piston back and forth inside a cylinder. This pushing force can be transformed, by a connecting rod and crank, into rotational force for work. The term "steam engine" is generally applied only to reciprocating engines as just described, not to the steam turbine. Steam engines are external combustion engines, where the working fluid is separated from the combustion products. The ideal thermodynamic cycle used to analyze this process is called the Rankine cycle. In general usage, the term ''steam engine'' can refer to either complete steam plants (including boilers etc.), such as railway steam locomotives and portable engines, or may refer to the piston or turbine machinery alone, as in the beam engine and stationary steam engine. Although steam-driven devices were known as early as the aeoli ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Criminal Conversation
At common law, criminal conversation, often abbreviated as ''crim. con.'', is a tort arising from adultery. "Conversation" is an old euphemism for sexual intercourse that is obsolete except as part of this term. It is similar to breach of promise, a tort involving a broken engagement against the betrothed, and alienation of affections, a tort action brought by a spouse against a third party, who interfered with the marriage relationship. These torts have been abolished in most jurisdictions. The tort of criminal conversation was abolished in England and Wales in 1857; in Northern Ireland in 1939; in Australia in 1975; and in the Republic of Ireland in 1981. Prior to its abolition, a husband could sue any man who had intercourse with his wife, regardless of whether she consented – unless the couple was already separated, in which case the husband could only sue if the separation was caused by the person he was suing. Criminal conversation still exists in parts of the United ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Royal Society
The Royal Society, formally The Royal Society of London for Improving Natural Knowledge, is a learned society and the United Kingdom's national academy of sciences. The society fulfils a number of roles: promoting science and its benefits, recognising excellence in science, supporting outstanding science, providing scientific advice for policy, education and public engagement and fostering international and global co-operation. Founded on 28 November 1660, it was granted a royal charter by King Charles II as The Royal Society and is the oldest continuously existing scientific academy in the world. The society is governed by its Council, which is chaired by the Society's President, according to a set of statutes and standing orders. The members of Council and the President are elected from and by its Fellows, the basic members of the society, who are themselves elected by existing Fellows. , there are about 1,700 fellows, allowed to use the postnominal title FRS ( Fellow of t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charles Vincent Walker
Charles Vincent Walker FRS (20 March 1812 – 24 December 1882) was an English electrical engineer and publisher, a major influence on the development of railway telecommunications, he was also the first person to send a submarine telegraph signal. Life Born Marylebone, Middlesex son to Vincent and Ann ''née'' Blake, Walker's elementary education and engineering training are uncertain. However, by 1838 he had acquired some knowledge of electricity and had helped to found the London Electrical Society. Walker was secretary and treasurer of the Society in its early days and edited its ''Proceedings'' from 1841 to 1843. He also founded the '' Electrical Magazine'', though only two volumes appeared in 1841–3.McConnell (2004) Also in 1841, Walker worked on the ''Manual of Electricity, Magnetism and Meteorology'' which formed part of Dionysius Lardner's ''Cabinet Cyclopedia''. Walker also published his own book on ''Electrotype Manipulation'', followed by his ''Electric Telegraph ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Henry Kater
Henry Kater FRS, FRAS (16 April 1777 – 26 April 1835) was a British physicist of German descent. Early life He was born at Bristol. At first he intended to study law; but he gave up the idea on his father's death in 1794. He entered the army, obtaining a commission in the 12th Regiment of Foot, then stationed in India, where he assisted William Lambton in the Great Trigonometric Survey. Failing health obliged him to return to England; and in 1808, then a lieutenant, he entered on a student career at the Senior Division of the new Royal Military College at High Wycombe. Shortly afterwards he was promoted to the rank of captain. In 1814 he retired on half-pay, and devoted the remainder of his life to scientific research. Scientist His first major contribution to science was the comparison of the merits of the Cassegrainian and Gregorian telescopes; Kater determined the latter to be an inferior design. His most substantial work was the invention of Kater's pendulum, enabl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pneumatics
Pneumatics (from Greek ‘wind, breath’) is a branch of engineering that makes use of gas or pressurized air. Pneumatic systems used in industry are commonly powered by compressed air or compressed inert gases. A centrally located and electrically-powered compressor powers cylinders, air motors, pneumatic actuators, and other pneumatic devices. A pneumatic system controlled through manual or automatic solenoid valves is selected when it provides a lower cost, more flexible, or safer alternative to electric motors, and hydraulic actuators. Pneumatics also has applications in dentistry, construction, mining, and other areas. Gases used in pneumatic systems Pneumatic systems in fixed installations, such as factories, use compressed air because a sustainable supply can be made by compressing atmospheric air. The air usually has moisture removed, and a small quantity of oil is added at the compressor to prevent corrosion and lubricate mechanical components. Factory ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hydrostatics
Fluid statics or hydrostatics is the branch of fluid mechanics that studies the condition of the equilibrium of a floating body and submerged body "fluids at hydrostatic equilibrium and the pressure in a fluid, or exerted by a fluid, on an immersed body". It encompasses the study of the conditions under which fluids are at rest in stable equilibrium as opposed to fluid dynamics, the study of fluids in motion. Hydrostatics is a subcategory of fluid statics, which is the study of all fluids, both compressible or incompressible, at rest. Hydrostatics is fundamental to hydraulics, the engineering of equipment for storing, transporting and using fluids. It is also relevant to geophysics and astrophysics (for example, in understanding plate tectonics and the anomalies of the Earth's gravitational field), to meteorology, to medicine (in the context of blood pressure), and many other fields. Hydrostatics offers physical explanations for many phenomena of everyday life, such as why ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Robert Southey
Robert Southey ( or ; 12 August 1774 – 21 March 1843) was an English poet of the Romantic school, and Poet Laureate from 1813 until his death. Like the other Lake Poets, William Wordsworth and Samuel Taylor Coleridge, Southey began as a radical but became steadily more conservative as he gained respect for Britain and its institutions. Other romantics such as Byron accused him of siding with the establishment for money and status. He is remembered especially for the poem "After Blenheim" and the original version of " Goldilocks and the Three Bears". Life Robert Southey was born in Wine Street, Bristol, to Robert Southey and Margaret Hill. He was educated at Westminster School, London (where he was expelled for writing an article in ''The Flagellant'', a magazine he originated,Margaret Drabble ed: ''The Oxford Companion to English Literature'' (6th edition, Oxford, 2000), pp 953-4. attributing the invention of flogging to the Devil), and at Balliol College, Oxford. Southey ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ancient Greece
Ancient Greece ( el, Ἑλλάς, Hellás) was a northeastern Mediterranean civilization, existing from the Greek Dark Ages of the 12th–9th centuries BC to the end of classical antiquity ( AD 600), that comprised a loose collection of culturally and linguistically related city-states and other territories. Most of these regions were officially unified only once, for 13 years, under Alexander the Great's empire from 336 to 323 BC (though this excludes a number of Greek city-states free from Alexander's jurisdiction in the western Mediterranean, around the Black Sea, Cyprus, and Cyrenaica). In Western history, the era of classical antiquity was immediately followed by the Early Middle Ages and the Byzantine period. Roughly three centuries after the Late Bronze Age collapse of Mycenaean Greece, Greek urban poleis began to form in the 8th century BC, ushering in the Archaic period and the colonization of the Mediterranean Basin. This was followed by the age of Cl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Connop Thirlwall
Connop Thirlwall (11 January 1797 – 27 July 1875) was an English bishop (in Wales) and historian. Early life Thirlwall was born at Stepney, London, to Thomas and Susannah Thirlwall. His father was an Anglican priest who claimed descent from a Northumbrian family, served for some years as chaplain to Bishop Thomas Percy before becoming rector of Bowers Gifford in Essex in 1814. The young Connop was a prodigy, learning Latin at three, Greek at four, and writing sermons at seven. He went to Charterhouse School, where George Grote and Julius Hare were among his schoolfellows. He went up to Trinity College, Cambridge, in October 1814. gained the Craven university scholarship and the chancellor's classical medal and served as Secretary of the Cambridge Union Society in the Lent term, 1817. In October 1818 he was elected to a fellowship, and went for a year's travel on the Continent. In Rome he made friends with Christian Charles Josias Bunsen, which had a most important influenc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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