Aleph Objects, Inc. was a small manufacturing company based in Loveland, Colorado . Their business model focused around the development of Open-source hardware for 3D printing with full support for Free and open-source software .
103-451: The company is most well known for its LulzBot 3D printer product line, which although using some extruded aluminum railing and other mass-production components still remains true to RepRap principles by having many components 3D printable. Due to its fully open source hardware and open source software design, the LulzBot Taz 6 has received "Respects Your Freedom" certification from
206-620: A University of Bath initiative, but it is now made up of hundreds of collaborators worldwide. RepRap was founded in 2005 by Adrian Bowyer , a Senior Lecturer in mechanical engineering at the University of Bath in England. Funding was obtained from the Engineering and Physical Sciences Research Council . On 13 September 2006, the RepRap 0.2 prototype printed the first part identical to its own, which
309-700: A von Neumann universal constructor ". RepRap technology has great potential in educational applications, according to some scholars. RepRaps have already been used for an educational mobile robotics platform. Some authors have claimed that RepRaps offer an unprecedented "revolution" in STEM education. The evidence comes from both the low cost of rapid prototyping by students, and the fabrication of low-cost high-quality scientific equipment from open hardware designs forming open-source labs . England – in Europe (green & dark grey) – in
412-511: A ceremonial county, or be a district tier within a shire county , be a royal or metropolitan borough , have borough or city status , or be a unitary authority . At the community level, much of England is divided into civil parishes with their own councils ; in Greater London only one such parish, Queen's Park , exists as of 2014 after they were abolished in 1965 until legislation allowed their recreation in 2007. From 1994 until
515-425: A complete copy of all its rapid-prototyped parts (which represent 48% of all the parts, excluding fasteners). A couple hours later the "child" machine had made its first part: a timing-belt tensioner. In April 2009, electronic circuit boards were produced automatically with a RepRap, using an automated control system and a swappable head system capable of printing both plastic and conductive solder. On 2 October 2009,
618-501: A geographical frame of reference. Of these, 38 developed gradually since the Middle Ages ; these were reformed to 51 in 1974 and to their current number in 1996. Each has a Lord Lieutenant and High Sheriff ; these posts are used to represent the British monarch locally. Some counties, such as Herefordshire , are only divided further into civil parishes. The royal county of Berkshire and
721-643: A profound and permanent effect on the English language. Subsequently, the House of Plantagenet from Anjou inherited the English throne under Henry II , adding England to the budding Angevin Empire of fiefs the family had inherited in France including Aquitaine . They reigned for three centuries, some noted monarchs being Richard I , Edward I , Edward III and Henry V . The period saw changes in trade and legislation, including
824-471: A pure self-replicating device not for its own sake, but rather to put in the hands of individuals anywhere on the planet, for a minimal outlay of capital, a desktop manufacturing system that would enable the individual to manufacture many of the artifacts used in everyday life. From a theoretical viewpoint, the project aims to prove the hypothesis that " rapid prototyping and direct writing technologies are sufficiently versatile to allow them to be used to make
927-446: A struggle for hegemony between Northumbria and Mercia, which in the 8th century gave way to Mercian preeminence. In the early 9th century Mercia was displaced as the foremost kingdom by Wessex. Later in that century escalating attacks by the Danes culminated in the conquest of the north and east of England, overthrowing the kingdoms of Northumbria, Mercia and East Anglia. Wessex under Alfred
1030-528: Is a stub . You can help Misplaced Pages by expanding it . RepRap RepRap (a contraction of replicating rapid prototyper ) is a project to develop low-cost 3D printers that can print most of their own components. As open designs , all of the designs produced by the project are released under a free software license , the GNU General Public License . Due to the ability of these machines to make some of their own parts, authors envisioned
1133-412: Is also applied to England in a more poetic capacity, though its original meaning is the island of Britain as a whole. The earliest known evidence of human presence in the area now known as England was that of Homo antecessor , dating to about 780,000 years ago. The oldest proto-human bones discovered in England date from 500,000 years ago. Modern humans are known to have inhabited the area during
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#17330852228571236-534: Is damp relatively frequently and is changeable. The coldest months are January and February, the latter particularly on the English coast , while July is normally the warmest month. Months with mild to warm weather are May, June, September and October. Rainfall is spread fairly evenly throughout the year. Important influences on the climate of England are its proximity to the Atlantic Ocean , its northern latitude and
1339-622: Is governed directly by the Parliament of the United Kingdom , although other countries of the United Kingdom have devolved governments. There has been debate about how to counterbalance this in England. Originally it was planned that various regions of England would be devolved, but following the proposal's rejection by the North East in a 2004 referendum , this has not been carried out. In 2024, an England-only intergovernmental body, known as
1442-640: Is high moorland in upland areas, indented by fertile valleys of the region's rivers. They contain two national parks , the Yorkshire Dales and the Peak District . In the West Country , Dartmoor and Exmoor of the Southwest Peninsula include upland moorland supported by granite. The English Lowlands are in the central and southern regions of the country, consisting of green rolling hills, including
1545-758: Is known as the lost colony after it was found abandoned on the return of the late-arriving supply ship. With the East India Company , England also competed with the Dutch and French in the East. During the Elizabethan period, England was at war with Spain. An armada sailed from Spain in 1588 as part of a wider plan to invade England and re-establish a Catholic monarchy. The plan was thwarted by bad coordination, stormy weather and successful harrying attacks by an English fleet under Lord Howard of Effingham . This failure did not end
1648-603: Is mostly found in the north and west, including Dartmoor , the Lake District , the Pennines , and the Shropshire Hills . The country's capital is London , the metropolitan area of which has a population of 14.2 million as of 2021, representing the United Kingdom's largest metropolitan area. England's population of 56.3 million comprises 84% of the population of the United Kingdom, largely concentrated around London,
1751-549: Is part of the United Kingdom, a constitutional monarchy with a parliamentary system . There has not been a government of England since 1707, when the Acts of Union 1707 , putting into effect the terms of the Treaty of Union , joined England and Scotland to form the Kingdom of Great Britain . Before the union England was ruled by its monarch and the Parliament of England . Today England
1854-465: Is similar to that of other areas in the British Isles with a wide range of vertebrate and invertebrate life in a diverse range of habitats. National nature reserves in England are designated by Natural England as key places for wildlife and natural features in England. They were established to protect the most significant areas of habitat and of geological formations. NNRs are managed on behalf of
1957-483: Is some evidence that using this approach of distributed recycling is better for the environment and can be useful for creating " fair trade filament". In addition, 3D printing products at the point of consumption has also been shown to be better for the environment. The RepRap project has identified polyvinyl alcohol (PVA) as a potentially suitable support material to complement its printing process, although massive overhangs can be made by extruding thin layers of
2060-509: The 1535–1542 acts . There were internal religious conflicts during the reigns of Henry's daughters, Mary I and Elizabeth I . The former took the country back to Catholicism while the latter broke from it again, forcefully asserting the supremacy of Anglicanism . The Elizabethan era is the epoch in the Tudor age of the reign of Queen Elizabeth I ("the Virgin Queen"). Historians often depict it as
2163-624: The Age of Discovery . Henry VIII broke from communion with the Catholic Church, over issues relating to his divorce, under the Acts of Supremacy in 1534 which proclaimed the monarch head of the Church of England . In contrast with much of European Protestantism , the roots of the split were more political than theological. He also legally incorporated his ancestral land Wales into the Kingdom of England with
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#17330852228572266-568: The Angeln region of what is now the German state of Schleswig-Holstein . The earliest recorded use of the term, as " Engla londe ", is in the late-ninth-century translation into Old English of Bede 's Ecclesiastical History of the English People . The term was then used to mean "the land inhabited by the English", and it included English people in what is now south-east Scotland but was then part of
2369-574: The Battle of Trafalgar confirmed the naval supremacy Britain had established during the course of the eighteenth century. The Napoleonic Wars fostered a concept of Britishness and a united national British people , shared with the English, Scots and Welsh. London became the largest and most populous metropolitan area in the world during the Victorian era , and trade within the British Empire – as well as
2472-532: The Battle of Watling Street . The author of one study of Roman Britain suggested that from 43 AD to 84 AD, the Roman invaders killed somewhere between 100,000 and 250,000 people from a population of perhaps 2,000,000. This era saw a Greco-Roman culture prevail with the introduction of Roman law , Roman architecture , aqueducts , sewers , many agricultural items and silk. In the 3rd century, Emperor Septimius Severus died at Eboracum (now York ), where Constantine
2575-648: The British Isles , but also from the Commonwealth , particularly the Indian subcontinent . Since the 1970s there has been a large move away from manufacturing and an increasing emphasis on the service industry . As part of the United Kingdom, the area joined a common market initiative called the European Economic Community which became the European Union . Since the late 20th century the administration of
2678-596: The Cotswold Hills , Chiltern Hills , North and South Downs ; where they meet the sea they form white rock exposures such as the cliffs of Dover . This also includes relatively flat plains such as the Salisbury Plain , Somerset Levels , South Coast Plain and The Fens . England has a temperate maritime climate : it is mild with temperatures not much lower than 0 °C (32 °F) in winter and not much higher than 32 °C (90 °F) in summer. The weather
2781-712: The Court of Appeal , the High Court of Justice for civil cases, and the Crown Court for criminal cases. The Supreme Court of the United Kingdom is the highest court for criminal and civil cases in England and Wales . It was created in 2009 after constitutional changes, taking over the judicial functions of the House of Lords . A decision of the Supreme Court is binding on every other court in
2884-567: The Courts of England and Wales continued, under the Treaty of Union , as a separate legal system from the one used in Scotland . The general essence of English law is that it is made by judges sitting in courts, applying their common sense and knowledge of legal precedent – stare decisis – to the facts before them. The court system is headed by the Senior Courts of England and Wales, consisting of
2987-704: The Free Software Foundation . In addition, the Lulzbot printers are often used in open-source tool chains on open source projects. For example, Superior Enzymes used a LulzBot TAZ in fabricating an open source photometer for nitrate testing. Similarly, Lulzbot 3D printers are used in projects to create low-cost prosthetic hands. Due in a large part to relative ease of maintenance and use, Lulzbot printers are one of several desktop 3D printers have been recommended for libraries by reviewers. In its 2014 Ultimate Guide to 3D Printing special issue, Make Magazine awarded
3090-705: The French Revolution , under George III and William Pitt the Younger . The regency of George IV is noted for its elegance and achievements in the fine arts and architecture. During the Napoleonic Wars , Napoleon planned to invade from the south-east ; however, this failed to manifest and the Napoleonic forces were defeated by the British: at sea by Horatio Nelson , and on land by Arthur Wellesley . The major victory at
3193-482: The Kingdom of Great Britain . England is the origin of the English language , the English legal system (which served as the basis for the common law systems of many other countries), association football , and the Anglican branch of Christianity; its parliamentary system of government has been widely adopted by other nations. The Industrial Revolution began in 18th-century England, transforming its society into
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3296-700: The Labour Party , 116 from the Conservative Party , 65 from the Liberal Democrats , five for Reform UK and four for the Green Party of England and Wales . The English law legal system, developed over the centuries, is the basis of common law legal systems used in most Commonwealth countries and the United States (except Louisiana ). Despite now being part of the United Kingdom, the legal system of
3399-550: The Latin word Anglii is used. The etymology of the tribal name itself is disputed by scholars; it has been suggested that it derives from the shape of the Angeln peninsula, an angular shape. How and why a term derived from the name of this tribe, rather than others such as the Saxons , came to be used for the entire country is not known, but it seems this is related to the custom of calling
3502-692: The Mayoral Council for England , was established to bring together ministers from the UK Government , the Mayor of London and the leaders of combined authorities . In the House of Commons which is the lower house of the British Parliament based at the Palace of Westminster , there are 543 members of parliament (MPs) for constituencies in England, out of the 650 total. England is represented by 347 MPs from
3605-537: The Ministry of Justice , manages most prisons, housing 81,309 prisoners in England and Wales as of September 2022 . The subdivisions of England consist of up to four levels of subnational division , controlled through a variety of types of administrative entities created for the purposes of local government . Outside the London region, England's highest tier is the 48 ceremonial counties . These are used primarily as
3708-672: The Severn is the longest river flowing through England. It empties into the Bristol Channel and is notable for its Severn Bore (a tidal bore ), which can reach 2 metres (6.6 ft) in height. However, the longest river entirely in England is the Thames, which is 215 miles (346 km) in length. There are many lakes in England ; the largest is Windermere , within the aptly named Lake District . Most of England's landscape consists of low hills and plains, with upland and mountainous terrain in
3811-836: The South East , and conurbations in the Midlands , the North West , the North East , and Yorkshire , which each developed as major industrial regions during the 19th century. The name "England" is derived from the Old English name Englaland , which means "land of the Angles ". The Angles were one of the Germanic tribes that settled in Great Britain during the Early Middle Ages . They came from
3914-691: The State Opening of Parliament by the British monarch when the doors of the House of Commons are slammed in the face of the monarch's messenger, symbolising the rights of Parliament and its independence from the monarch. With the founding of the Royal Society in 1660, science was greatly encouraged. In 1666 the Great Fire of London gutted the city of London, but it was rebuilt shortly afterward with many significant buildings designed by Sir Christopher Wren . By
4017-451: The Stuart dynasty England expanded in trade, finance and prosperity. The Royal Navy developed Europe's largest merchant fleet. After the parliaments of England and Scotland agreed, the two countries joined in political union , to create the Kingdom of Great Britain in 1707. To accommodate the union, institutions such as the law and national churches of each remained separate. Under the newly formed Kingdom of Great Britain, output from
4120-433: The Trinovantes . The Romans invaded Britain in 43 AD during the reign of Emperor Claudius , subsequently conquering much of Britain , and the area was incorporated into the Roman Empire as Britannia province . The best-known of the native tribes who attempted to resist were the Catuvellauni led by Caratacus . Later, an uprising led by Boudica , Queen of the Iceni , ended with Boudica's suicide following her defeat at
4223-412: The United Kingdom (green) England is a country that is part of the United Kingdom . It is located on the island of Great Britain , of which it covers about 62%, and more than 100 smaller adjacent islands . It has land borders with Scotland to the north and Wales to the west, and is otherwise surrounded by the North Sea to the east, the English Channel to the south, the Celtic Sea to
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4326-419: The Upper Paleolithic period, though permanent settlements were only established within the last 6,000 years. After the last ice age only large mammals such as mammoths , bison and woolly rhinoceros remained. Roughly 11,000 years ago, when the ice sheets began to recede, humans repopulated the area; genetic research suggests they came from the northern part of the Iberian Peninsula . The sea level
4429-470: The canal age in Britain . In 1825 the world's first permanent steam locomotive-hauled passenger railway – the Stockton and Darlington Railway – opened to the public. During the Industrial Revolution , many workers moved from England's countryside to new and expanding urban industrial areas to work in factories, for instance at Birmingham and Manchester , with the latter the world's first industrial city. England maintained relative stability throughout
4532-435: The decline of the Roman Empire , Britain was left exposed by the end of Roman rule in Britain and the withdrawal of Roman army units, to defend the frontiers in continental Europe and partake in civil wars. Celtic Christian monastic and missionary movements flourished. This period of Christianity was influenced by ancient Celtic culture in its sensibilities, polity, practices and theology. Local "congregations" were centred in
4635-434: The golden age in English history that represented the apogee of the English Renaissance and saw the flowering of great art, drama, poetry, music and literature. England during this period had a centralised, well-organised, and effective government. Competing with Spain , the first English colony in the Americas was founded in 1585 by explorer Walter Raleigh in Virginia and named Roanoke . The Roanoke colony failed and
4738-473: The jet engine led to wider air travel . Residential patterns were altered in England by private motoring, and by the creation of the National Health Service in 1948, providing publicly funded health care to all permanent residents free at the point of need. Combined, these prompted the reform of local government in England in the mid-20th century. Since the 20th century, there has been significant population movement to England, mostly from other parts of
4841-467: The tensile strengths of parts made by proprietary printers. Unlike with most commercial machines, RepRap users are encouraged to experiment with materials and methods, and to publish their results. Methods for printing novel materials (such as ceramics) have been developed this way. In addition, several RecycleBots have been designed and fabricated to convert waste plastic, such as shampoo containers and milk jugs, into inexpensive RepRap filament. There
4944-401: The 1940s sprayed-circuit process Electronic Circuit Making Equipment (ECME), by John Sargrove . A related approach is printed electronics . Another non-replicable component is the threaded rods for linear motions. A current research area is in using replicated Sarrus linkages to replace them. The "Core team" of the project has included: The stated goal of the RepRap project is to produce
5047-426: The 32 London Boroughs and the 25 Wards of the City of London . Geographically, England includes the central and southern two-thirds of the island of Great Britain, plus such offshore islands as the Isle of Wight and the Isles of Scilly . It is bordered by two other countries of the United Kingdom: to the north by Scotland and to the west by Wales. England is closer than any other part of mainland Britain to
5150-435: The 5th and 6th centuries. England became a unified state in the 10th century and has had extensive cultural and legal impact on the wider world since the Age of Discovery , which began during the 15th century. The Kingdom of England , which included Wales after 1535, ceased to be a separate sovereign state on 1 May 1707, when the Acts of Union brought into effect a political union with the Kingdom of Scotland that created
5253-516: The 6th century. Contemporary texts describing this period are extremely scarce, giving rise to its description as a Dark Age . Details of the Anglo-Saxon settlement of Britain are consequently subject to considerable disagreement; the emerging consensus is that it occurred on a large scale in the south and east but was less substantial to the north and west, where Celtic languages continued to be spoken even in areas under Anglo-Saxon control. Roman-dominated Christianity had, in general, been replaced in
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#17330852228575356-448: The English kingdom of Northumbria . The Anglo-Saxon Chronicle recorded that the Domesday Book of 1086 covered the whole of England, meaning the English kingdom, but a few years later the Chronicle stated that King Malcolm III went "out of Scotlande into Lothian in Englaland", thus using it in the more ancient sense. The earliest attested reference to the Angles occurs in the 1st-century work by Tacitus , Germania , in which
5459-416: The European continent. It is separated from France ( Hauts-de-France ) by a 21-mile (34 km) sea gap, though the two countries are connected by the Channel Tunnel near Folkestone . England also has shores on the Irish Sea , North Sea and Atlantic Ocean. The ports of London, Liverpool , and Newcastle lie on the tidal rivers Thames , Mersey and Tyne respectively. At 220 miles (350 km),
5562-466: The Germanic people in Britain Angli Saxones or English Saxons to distinguish them from continental Saxons (Eald-Seaxe) of Old Saxony in Germany. In Scottish Gaelic , the Saxon tribe gave their name to the word for England ( Sasunn ); similarly, the Welsh name for the English language is Saesneg . A romantic name for England is Loegria , related to the Welsh word for England, Lloegr , and made popular by its use in Arthurian legend . Albion
5665-403: The Great was left as the only surviving English kingdom, and under his successors, it steadily expanded at the expense of the kingdoms of the Danelaw . This brought about the political unification of England, first accomplished under Æthelstan in 927 and definitively established after further conflicts by Eadred in 953. A fresh wave of Scandinavian attacks from the late 10th century ended with
5768-453: The Lulzbot TAZ "best documentation" of all the hobbyist-grade 3D printers that were tested. The TAZ 4 was released in early 2014 with several key improvements to the TAZ platform to make it more robust and capable. This included a newly engineered drive rod system, redesigned y-axis heated bed mounts, a 400 W power supply, and a fully assembled electronics case that would allow compatibility with subsequently released dual extruders. Its release
5871-439: The North, and the successful Norman Conquest in October 1066, accomplished by an army led by Duke William of Normandy invading at Hastings late September 1066. The Normans themselves originated from Scandinavia and had settled in Normandy in the late 9th and early 10th centuries. This conquest led to the almost total dispossession of the English elite and its replacement by a new French-speaking aristocracy, whose speech had
5974-408: The Pope. During the 14th century, the Plantagenets and the House of Valois claimed to be legitimate claimants to the House of Capet and of France; the two powers clashed in the Hundred Years' War . The Black Death epidemic hit England ; starting in 1348, it eventually killed up to half of England's inhabitants . Between 1453 and 1487, a civil war known as the War of the Roses waged between
6077-659: The RepRap community, but almost any CAD or 3D modeling program can be used with the RepRap, as long as it can produce STL files (Slic3r also supports .obj and .amf files). Thus, content creators make use of any tools they are familiar with, whether they are commercial CAD programs, such as SolidWorks and Autodesk AutoCAD , Autodesk Inventor , Tinkercad , or SketchUp along with the libre software . RepRaps print objects from ABS , Polylactic acid (PLA), Nylon (possibly not all extruders can), HDPE , TPE and similar thermoplastics . The mechanical properties of RepRap-printed PLA and ABS have been tested and are equivalent to
6180-685: The Royal Society and other English initiatives combined with the Scottish Enlightenment to create innovations in science and engineering, while the enormous growth in British overseas trade protected by the Royal Navy paved the way for the establishment of the British Empire . Domestically it drove the Industrial Revolution , a period of profound change in the socioeconomic and cultural conditions of England, resulting in industrialised agriculture, manufacture, engineering and mining, as well as new and pioneering road, rail and water networks to facilitate their expansion and development. The opening of Northwest England's Bridgewater Canal in 1761 ushered in
6283-400: The TAZ 6, which featured such upgrades as, automated bed-leveling, automated nozzle cleaning, and an enclosed power supply, as well as improved firmware, support for new filament materials, a better heat sink, and more. In 3DForged.com's review of the TAZ 6, Brent Hale called the TAZ 6 "the best overall 3D printer I have ever used." However it was the less expensive model, the LulzBot Mini 2 that
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#17330852228576386-432: The United Kingdom has moved towards devolved governance in Scotland, Wales and Northern Ireland. England and Wales continues to exist as a jurisdiction within the United Kingdom. Devolution has stimulated a greater emphasis on a more English-specific identity and patriotism. There is no devolved English government, but an attempt to create a similar system on a sub-regional basis was rejected by referendum . England
6489-443: The United Kingdom as part of the Allies . Two decades later, in World War II , the United Kingdom was again one of the Allies . Developments in warfare technology saw many cities damaged by air-raids during the Blitz . Following the war, the British Empire experienced rapid decolonisation , and there was a speeding-up of technological innovations; automobiles became the primary means of transport and Frank Whittle 's development of
6592-413: The aim of the project is for RepRap to be able to autonomously construct many of its own mechanical components soon using fairly low-level resources, several components such as sensors, stepper motors and microcontrollers cannot yet be made using the RepRap's 3D printing technology and so have to be produced independently. The plan is to approach 100% replication over a series of versions. For example, from
6695-413: The area, the Beaker culture people made bronze , and later iron from iron ores. The development of iron smelting allowed the construction of better ploughs , advancing agriculture (for instance, with Celtic fields ), as well as the production of more effective weapons. During the Iron Age , Celtic culture , deriving from the Hallstatt and La Tène cultures , arrived from Central Europe. Brythonic
6798-505: The auspices of James VI and I the Authorised King James Version of the Holy Bible was published in 1611. It was the standard version of the Bible read by most Protestant Christians for four hundred years until modern revisions were produced in the 20th century. Based on conflicting political, religious and social positions, the English Civil War was fought between the supporters of Parliament and those of King Charles I , known colloquially as Roundheads and Cavaliers respectively. This
6901-416: The company laid off 91 out of its 113 employees. In November 2019, Aleph Objects announced that all of its assets have been acquired by Fargo Additive Manufacturing Equipment 3D (FAME 3D). Aleph Object's business is focused around their line of 3D printers, as such, they also sell plastic filament , printer accessories, and replacement parts. This United States manufacturing company–related article
7004-479: The conquered territories by Anglo-Saxon paganism , but was reintroduced by missionaries from Rome led by Augustine from 597. Disputes between the Roman- and Celtic-dominated forms of Christianity ended in victory for the Roman tradition at the Council of Whitby (664), which was ostensibly about tonsures (clerical haircuts) and the date of Easter, but more significantly, about the differences in Roman and Celtic forms of authority, theology, and practice. During
7107-427: The conquest of this united kingdom by Sweyn Forkbeard in 1013 and again by his son Cnut in 1016, turning it into the centre of a short-lived North Sea Empire that also included Denmark and Norway . However, the native royal dynasty was restored with the accession of Edward the Confessor in 1042. A dispute over the succession to Edward led to an unsuccessful Norwegian Invasion in September 1066 close to York in
7210-399: The course of the fifth and sixth centuries, initially in the eastern part of the country. Their advance was contained for some decades after the Britons' victory at the Battle of Mount Badon , but subsequently resumed, overrunning the fertile lowlands of Britain and reducing the area under Brittonic control to a series of separate enclaves in the more rugged country to the west by the end of
7313-460: The early 2010s England was divided for a few purposes into regions; a 1998 referendum for the London Region created the London Assembly two years later. A failed 2004 North East England devolution referendum cancelled further regional assembly devolution with the regional structure outside London abolished. Ceremonially and administratively, the region is divided between the City of London and Greater London ; these are further divided into
7416-531: The hierarchy, which must follow its directions. The Secretary of State for Justice is the minister responsible to Parliament for the judiciary , the court system and prisons and probation in England. Crime increased between 1981 and 1995 but fell by 42% in the period 1995–2006. The prison population doubled over the same period, giving it one of the highest incarceration rates in Western Europe at 147 per 100,000. His Majesty's Prison Service , reporting to
7519-792: The latest trends in RepRaps. In early January 2016, RepRapPro (short for "RepRap Professional", and one commercial arm of the RepRap project in the UK) announced that it would cease trading on 15 January 2016. The reason given was congestion of the market for low-cost 3D printers and the inability to expand in that market. RepRapPro China continues to operate. As the project was designed by Bowyer to encourage evolution, many variations have been created. As an open source project, designers are free to make modifications and substitutions, but they must allow any of their potential improvements to be reused by others. There are many RepRap printer designs including: RepRap
7622-453: The metropolitan counties have different types of status to other ceremonial counties. The second tier is made up of combined authorities and the 27 county-tier shire counties . In 1974, all ceremonial counties were two-tier; and with the metropolitan county tier phased out, the 1996 reform separated the ceremonial county and the administrative county tier. England is also divided into local government districts. The district can align to
7725-680: The mid-to-late 17th century, two political factions had emerged – the Tories and Whigs . Though the Tories initially supported Catholic king James II , some of them, along with the Whigs, during the Revolution of 1688 invited the Dutch Prince William of Orange to defeat James and become the king. Some English people, especially in the north, were Jacobites and continued to support James and his sons. Under
7828-558: The monastic community and monastic leaders were more like chieftains, as peers, rather than in the more hierarchical system of the Roman-dominated church. Roman military withdrawals left Britain open to invasion by pagan, seafaring warriors from north-western continental Europe, chiefly the Saxons, Angles , Jutes and Frisians who had long raided the coasts of the Roman province. These groups then began to settle in increasing numbers over
7931-536: The nation, many by Natural England themselves, but also by non-governmental organisations, including the members of The Wildlife Trusts partnership, the National Trust , and the Royal Society for the Protection of Birds . There are 221 NNRs in England covering 110,000 hectares (1,100 square kilometres). Often they contain rare species or nationally important populations of plants and animals. . The Environment Agency
8034-594: The north and west of the country. The northern uplands include the Pennines , a chain of uplands dividing east and west, the Lake District mountains in Cumbria, and the Cheviot Hills , straddling the border between England and Scotland. The highest point in England, at 978 metres (3,209 ft), is Scafell Pike in the Lake District. The Shropshire Hills are near Wales while Dartmoor and Exmoor are two upland areas in
8137-488: The onset of the project, the RepRap team has explored a variety of approaches to integrating electrically-conductive media into the product. This would allow inclusion of connective wiring , printed circuit boards , and possibly motors in RepRapped products. Variations in the nature of the extruded, electrically-conductive media could produce electrical components with different functions from pure conductive traces, similar to
8240-428: The possibility of cheap RepRap units, enabling the manufacture of complex products without the need for extensive industrial infrastructure. They intended for the RepRap to demonstrate evolution in this process as well as for it to increase in number exponentially. A preliminary study claimed that using RepRaps to print common products results in economic savings. The RepRap project started in England in 2005 as
8343-432: The primary printing media as support (these are mechanically removed afterwards). Printing electronics is a major goal of the RepRap project so that it can print its own circuit boards. Several methods have been proposed: Using a MIG welder as a print head a RepRap deltabot stage can be used to print metals like steel . The RepRap concept can also be applied to a milling machine and to laser welding . Although
8446-516: The second generation design, called Mendel, printed its first part. Mendel's shape resembles a triangular prism rather than a cube. Mendel was completed in October 2009. On 27 January 2010, the Foresight Institute announced the "Kartik M. Gada Humanitarian Innovation Prize" for the design and construction of an improved RepRap. On 31 August 2010, the third generation design was named Huxley. It
8549-450: The settlement period the lands ruled by the incomers seem to have been fragmented into numerous tribal territories, but by the 7th century, when substantial evidence of the situation again becomes available, these had coalesced into roughly a dozen kingdoms including Northumbria , Mercia , Wessex , East Anglia , Essex , Kent and Sussex . Over the following centuries, this process of political consolidation continued. The 7th century saw
8652-472: The signing of Magna Carta , an English legal charter used to limit the sovereign's powers by law and protect the privileges of freemen. Catholic monasticism flourished, providing philosophers, and the universities of Oxford and Cambridge were founded with royal patronage. The Principality of Wales became a Plantagenet fief during the 13th century and the Lordship of Ireland was given to the English monarchy by
8755-629: The south-west of the country. The approximate dividing line between terrain types is often indicated by the Tees–Exe line . The Pennines, known as the "backbone of England", are the oldest range of mountains in the country, originating from the end of the Paleozoic Era around 300 million years ago. Their geological composition includes, among others, sandstone and limestone , and also coal. There are karst landscapes in calcite areas such as parts of Yorkshire and Derbyshire . The Pennine landscape
8858-513: The south-west, and the Irish Sea to the west. Continental Europe lies to the south-east, and Ireland to the west. At the 2021 census , the population was 56,490,048. London is both the largest city and the capital . The area now called England was first inhabited by modern humans during the Upper Paleolithic . It takes its name from the Angles , a Germanic tribe who settled during
8961-487: The standing of the British military and navy – was prestigious. Technologically, this era saw many innovations that proved key to the United Kingdom's power and prosperity. Political agitation at home from radicals such as the Chartists and the suffragettes enabled legislative reform and universal suffrage . Power shifts in east-central Europe led to World War I; hundreds of thousands of English soldiers died fighting for
9064-487: The threat: Spain launched two further armadas, in 1596 and 1597 , but both were driven back by storms. The political structure of the island changed in 1603, when the King of Scots , James VI , a kingdom which had been a long-time rival to English interests, inherited the throne of England as James I, thereby creating a personal union . He styled himself King of Great Britain , although this had no basis in English law. Under
9167-774: The two branches of the royal family, the Yorkists and Lancastrians . Eventually it led to the Yorkists losing the throne entirely to a Welsh noble family the Tudors , a branch of the Lancastrians headed by Henry Tudor who invaded with Welsh and Breton mercenaries, gaining victory at the Battle of Bosworth Field where the Yorkist king Richard III was killed. During the Tudor period , England began to develop naval skills , and exploration intensified in
9270-530: The warming of the sea by the Gulf Stream . Rainfall is higher in the west, and parts of the Lake District receive more rain than anywhere else in the country. Since weather records began, the highest temperature recorded was 40.3 °C (104.5 °F) on 19 July 2022 at Coningsby , Lincolnshire , while the lowest was −26.1 °C (−15.0 °F) on 10 January 1982 in Edgmond , Shropshire. The fauna of England
9373-484: The world's first industrialised nation. England is home to the two oldest universities in the English-speaking world: the University of Oxford , founded in 1096, and the University of Cambridge , founded in 1209. Both universities are ranked among the most prestigious in the world. England's terrain chiefly consists of low hills and plains , especially in the centre and south . Upland and mountainous terrain
9476-438: Was a miniature of Mendel, with 30% of the original print volume. Within two years, RepRap and RepStrap building and use were widespread in the technology, gadget and engineering communities. In 2012, the first successful Delta design, Rostock, had a radically different design. The latest iterations used OpenBeams , wires (typically Dyneema or Spectra fishing lines) instead of belts, and so forth, which also represented some of
9579-563: Was an interwoven part of the wider multifaceted Wars of the Three Kingdoms , involving Scotland and Ireland . The Parliamentarians were victorious, Charles I was executed and the kingdom replaced by the Commonwealth . Leader of the Parliament forces, Oliver Cromwell declared himself Lord Protector in 1653; a period of personal rule followed. After Cromwell's death and the resignation of his son Richard as Lord Protector, Charles II
9682-445: Was conceived as a complete replication system rather than simply a piece of hardware. To this end the system includes computer-aided design (CAD) in the form of a 3D modeling system and computer-aided manufacturing (CAM) software and drivers that convert RepRap users' designs into a set of instructions to the RepRap to create physical objects. Initially, two CAM tool chains were developed for RepRap. The first, called "RepRap Host",
9785-494: Was established with the Bill of Rights in 1689. Among the statutes set down were that the law could only be made by Parliament and could not be suspended by the King, also that the King could not impose taxes or raise an army without the prior approval of Parliament. Also since that time, no British monarch has entered the House of Commons when it is sitting, which is annually commemorated at
9888-567: Was invited to return as monarch in 1660, in a move called the Restoration . With the reopening of theatres, fine arts, literature and performing arts flourished throughout the Restoration of the "Merry Monarch" Charles II. After the Glorious Revolution of 1688, it was constitutionally established that King and Parliament should rule together, though Parliament would have the real power. This
9991-572: Was lower than the present day and Britain was connected by land bridge to Ireland and Eurasia . As the seas rose, it was separated from Ireland 10,000 years ago and from Eurasia two millennia later. The Beaker culture arrived around 2,500 BC, introducing drinking and food vessels constructed from clay, as well as vessels used as reduction pots to smelt copper ores. It was during this time that major Neolithic monuments such as Stonehenge (phase III) and Avebury were constructed. By heating together tin and copper, which were in abundance in
10094-649: Was met with reviews praising its new engineering. The TAZ 5 was also rated higher than any other 3D printer on 3D Forged's list of best 3D printers. On June 15, 2014, a film crew from the Canadian-produced television show How It's Made visited the company's headquarters in Loveland, Colorado. There, they filmed a segment featuring the LulzBot TAZ 4 3D printer, which aired in an episode of How It's Made on The Discovery Channel in 2015. On May 17, 2016, LulzBot released
10197-587: Was named Best Intermediate Printer of the Year for 2019 by Tom's Guide. The Mediahq agreed, naming the Lulzbot Mini 2 the best 3D printer for enthusiasts in 2019. LulzBot expanded its innovation in the field of 3D printing by using collagen , as collagen makes up every single tissue in the human body. In summer 2019, Carnegie Mellon University created a functional 3D printed human heart tissue utilizing LulzBot's "FRESH" process. In October 2019, due to cash flow problems,
10300-616: Was subsequently proclaimed emperor a century later. There is debate about when Christianity was first introduced; it was no later than the 4th century, probably much earlier. According to Bede , missionaries were sent from Rome by Eleutherius at the request of the chieftain Lucius of Britain in 180 AD, to settle differences as to Eastern and Western ceremonials, which were disturbing the church. There are traditions linked to Glastonbury claiming an introduction through Joseph of Arimathea , while others claim through Lucius of Britain. By 410, during
10403-506: Was the spoken language during this time. Society was tribal; according to Ptolemy 's Geographia there were around 20 tribes in the area. Like other regions on the edge of the Empire, Britain had long enjoyed trading links with the Romans. Julius Caesar of the Roman Republic attempted to invade twice in 55 BC; although largely unsuccessful, he managed to set up a client king from
10506-445: Was then substituted for the original part created by a commercial 3D printer. On 9 February 2008, RepRap 1.0 "Darwin" made at least one instance of over half its rapid-prototyped parts. On 14 April 2008, RepRap made an end-user item: a clamp to hold an iPod to the dashboard of a Ford Fiesta car. By September that year, at least 100 copies had been produced in various countries. On 29 May 2008, Darwin achieved self replication by making
10609-642: Was written in Java by lead RepRap developer Adrian Bowyer. The second, "Skeinforge", was written by Enrique Perez. Both are complete systems for translating 3D computer models into G-code , the machine language that commands the printer. Later, other programs like Slic3r and Cura were created. Recently, the Franklin firmware was created to allow RepRap printers to be used for other purposes such as milling and fluid handling. Free and open-source 3-D modeling programs like Blender , OpenSCAD , and FreeCAD are preferred in
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