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Rhisiart Morgan Davies
Rhisiart Morgan Davies (4 February 1903 – 1958) was a Welsh physicist. He was born in Corris, Gwynedd, and attended schools in Machynlleth and Dolgellau before, in 1921, winning a scholarship to study physics at the University College of Wales, Aberystwyth. After graduating first-class honours in physics in 1924, he was appointed to the research staff team in H.M. Signals School in Portsmouth, but did not remain in the position for long, instead returning to Aberystwyth to work, initially, as an assistant lecturer in the physics department, before being appointed a lecturer in 1928. Whilst there he worked on a D.Sc. (Wales) degree for important work on the measurement of dielectric and elastic constants under dynamic conditions, which he completed in 1937. In 1938 he received a Leverhulme Research Fellowship award, enabling him to work in Cambridge, where he became one of the leading specialists in the study of 'stress waves'. He received a Ph.D. degree from Cambridge for his ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Physicist
A physicist is a scientist who specializes in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe. Physicists generally are interested in the root or ultimate causes of phenomena, and usually frame their understanding in mathematical terms. Physicists work across a wide range of research fields, spanning all length scales: from sub-atomic and particle physics, through biological physics, to cosmological length scales encompassing the universe as a whole. The field generally includes two types of physicists: experimental physicists who specialize in the observation of natural phenomena and the development and analysis of experiments, and theoretical physicists who specialize in mathematical modeling of physical systems to rationalize, explain and predict natural phenomena. Physicists can apply their knowledge towards solving practical problems or to developing new technologies (also known as applie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Physicist
A physicist is a scientist who specializes in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe. Physicists generally are interested in the root or ultimate causes of phenomena, and usually frame their understanding in mathematical terms. Physicists work across a wide range of research fields, spanning all length scales: from sub-atomic and particle physics, through biological physics, to cosmological length scales encompassing the universe as a whole. The field generally includes two types of physicists: experimental physicists who specialize in the observation of natural phenomena and the development and analysis of experiments, and theoretical physicists who specialize in mathematical modeling of physical systems to rationalize, explain and predict natural phenomena. Physicists can apply their knowledge towards solving practical problems or to developing new technologies (also known as applie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Corris
Corris is a village in the county of Gwynedd, Wales, about north of the town of Machynlleth. The village lies on the west bank of the Afon Dulas (which here forms the boundary with Powys), around that river's confluence with the Afon Deri. Its railway station is the headquarters and museum of the Corris Railway, a preserved narrow gauge railway. The area has a community council. The community council system replaced the former parish council system and tackles local issues, acts as a contact point between local government and residents for information and resources on various issues. The community elects one member to represent Corris/Mawddwy ward of Gwynedd Council. Besides Corris, the ward covers Mawddwy community to the north-east. __NOTOC__ Notable people * Rhisiart Morgan Davies (1903–1958) a Welsh physicist. * John Disley (1928–2016), Olympic medal winning athlete at the 1952 Summer Olympics in the 3000 metres steeplechase The 3000 metres steeplechase or 3000-mete ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gwynedd
Gwynedd (; ) is a county and preserved county (latter with differing boundaries; includes the Isle of Anglesey) in the north-west of Wales. It shares borders with Powys, Conwy County Borough, Denbighshire, Anglesey over the Menai Strait, and Ceredigion over the River Dyfi. The scenic Llŷn Peninsula and most of Snowdonia National Park are in Gwynedd. Bangor is the home of Bangor University. As a local government area, it is the second largest in Wales in terms of land area and also one of the most sparsely populated. A majority of the population is Welsh-speaking. ''Gwynedd'' also refers to being one of the preserved counties of Wales, covering the two local government areas of Gwynedd and Anglesey. Named after the old Kingdom of Gwynedd, both culturally and historically, ''Gwynedd'' can also be used for most of North Wales, such as the area that was policed by the Gwynedd Constabulary. The current area is , with a population of 121,874 as measured in the 2011 Census. Et ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Machynlleth
Machynlleth () is a market town, community and electoral ward in Powys, Wales and within the historic boundaries of Montgomeryshire. It is in the Dyfi Valley at the intersection of the A487 and the A489 roads. At the 2001 Census it had a population of 2,147, rising to 2,235 in 2011. It is sometimes referred to colloquially as ''Mach''. Machynlleth was the seat of Owain Glyndŵr's Welsh Parliament in 1404,''The Welsh Academy Encyclopaedia of Wales''. John Davies, Nigel Jenkins, Menna Baines and Peredur Lynch (2008) pg527 and as such claims to be the "ancient capital of Wales". However, it has never held any official recognition as a capital. It applied for city status in 2000 and 2002, but was unsuccessful. It is twinned with Belleville, Michigan. Machynlleth hosted the National Eisteddfod in 1937 and 1981. Etymology The etymology of the name Machynlleth derives from "ma-" ield, plainand "Cynllaith". History There is a long history of human activity in the Machynllet ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dolgellau
Dolgellau () is a town and community in Gwynedd, north-west Wales, lying on the River Wnion, a tributary of the River Mawddach. It was the traditional county town of the historic county of Merionethshire ( cy, Meirionnydd, Sir Feirionnydd) until the county of Gwynedd was created in 1974. Dolgellau is the main base for climbers of Cadair Idris and Mynydd Moel which are visible from the town. Dolgellau is the second largest settlement in southern Gwynedd after Tywyn and includes the community of Penmaenpool. Etymology The name of the town is of uncertain origin, although ' is Welsh for "meadow" or "dale", and ' (soft mutation of ') means "grove" or "spinney", and is common locally in names for farms in sheltered nooks. This would seem to be the most likely derivation, giving the translation "Grove Meadow". It has also been suggested that the name could derive from the word ', meaning "cell", translating therefore as "Meadow of onks'cells", but this seems less likely considering ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aberystwyth University
, mottoeng = A world without knowledge is no world at all , established = 1872 (as ''The University College of Wales'') , former_names = University of Wales, Aberystwyth , type = Public , endowment = £30.9 million (2021) , budget = £116.8 million (2020-21) , administrative_staff = , vice_chancellor = Elizabeth Treasure , chancellor = John, Lord Thomas of Cwmgiedd , students = () , undergrad = () , postgrad = () , city = Aberystwyth , state = , country = Wales , campus_type = Campus , campus_size = , colours = , affiliations = , website = , logo = Aberystwyth University logo.svg Aberystwyth University ( cy, Prifysgol Aberystwyth) is a public research university in Aberystwyth, Wales. Aberystwyth was a founding member institution of the former federal University of Wales. The univer ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Portsmouth
Portsmouth ( ) is a port and city in the ceremonial county of Hampshire in southern England. The city of Portsmouth has been a unitary authority since 1 April 1997 and is administered by Portsmouth City Council. Portsmouth is the most densely populated city in the United Kingdom, with a population last recorded at 208,100. Portsmouth is located south-west of London and south-east of Southampton. Portsmouth is mostly located on Portsea Island; the only English city not on the mainland of Great Britain. Portsea Island has the third highest population in the British Isles after the islands of Great Britain and Ireland. Portsmouth also forms part of the regional South Hampshire conurbation, which includes the city of Southampton and the boroughs of Eastleigh, Fareham, Gosport, Havant and Waterlooville. Portsmouth is one of the world's best known ports, its history can be traced to Roman times and has been a significant Royal Navy dockyard and base for centuries. Portsm ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aberystwyth
Aberystwyth () is a university and seaside town as well as a community in Ceredigion, Wales. Located in the historic county of Cardiganshire, means "the mouth of the Ystwyth". Aberystwyth University has been a major educational location in Wales since the establishment of University College Wales in 1872. The town is situated on Cardigan Bay on the west coast of Wales, near the confluence of the River Ystwyth and Afon Rheidol. Following the reconstruction of the harbour, the Ystwyth skirts the town. The Rheidol passes through the town. The seafront, with a pier, stretches from Constitution Hill at the north end of the Promenade to the harbour at the south. The beach is divided by the castle. The town is divided into five areas: Aberystwyth Town; Llanbadarn Fawr; Waunfawr; Llanbadarn; Trefechan; and the most populous, Penparcau. In 2011 the population of the town was 13,040. This rises to nearly 19,000 for the larger conurbation of Aberystwyth and Llanbadarn Fawr. Th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cambridge
Cambridge ( ) is a university city and the county town in Cambridgeshire, England. It is located on the River Cam approximately north of London. As of the 2021 United Kingdom census, the population of Cambridge was 145,700. Cambridge became an important trading centre during the Roman and Viking ages, and there is archaeological evidence of settlement in the area as early as the Bronze Age. The first town charters were granted in the 12th century, although modern city status was not officially conferred until 1951. The city is most famous as the home of the University of Cambridge, which was founded in 1209 and consistently ranks among the best universities in the world. The buildings of the university include King's College Chapel, Cavendish Laboratory, and the Cambridge University Library, one of the largest legal deposit libraries in the world. The city's skyline is dominated by several college buildings, along with the spire of the Our Lady and the English Martyrs ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Split-Hopkinson Pressure Bar
The split-Hopkinson pressure bar, named after Bertram Hopkinson, sometimes also called a Kolsky bar, is an apparatus for testing the dynamic stress–strain response of materials. History The Hopkinson pressure bar was first suggested by Bertram Hopkinson in 1914 as a way to measure stress pulse propagation in a metal bar. Later, in 1949 Herbert Kolsky refined Hopkinson's technique by using two Hopkinson bars in series, now known as the split-Hopkinson bar, to measure stress and strain, incorporating advancements in the cathode ray oscilloscope in conjunction with electrical condenser units to record the pressure wave propagation in the pressure bars as pioneered by Rhisiart Morgan Davies a year earlier in 1948. Later modifications have allowed for tensile, compression, and torsion testing. Operation Although there are various setups and techniques currently in use for the split-Hopkinson pressure bar, the underlying principles for the test and measurement are the same. The sp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1903 Births
Nineteen or 19 may refer to: * 19 (number), the natural number following 18 and preceding 20 * one of the years 19 BC, AD 19, 1919, 2019 Films * ''19'' (film), a 2001 Japanese film * ''Nineteen'' (film), a 1987 science fiction film Music * 19 (band), a Japanese pop music duo Albums * ''19'' (Adele album), 2008 * ''19'', a 2003 album by Alsou * ''19'', a 2006 album by Evan Yo * ''19'', a 2018 album by MHD * ''19'', one half of the double album ''63/19'' by Kool A.D. * ''Number Nineteen'', a 1971 album by American jazz pianist Mal Waldron * ''XIX'' (EP), a 2019 EP by 1the9 Songs * "19" (song), a 1985 song by British musician Paul Hardcastle. * "Nineteen", a song by Bad4Good from the 1992 album '' Refugee'' * "Nineteen", a song by Karma to Burn from the 2001 album ''Almost Heathen''. * "Nineteen" (song), a 2007 song by American singer Billy Ray Cyrus. * "Nineteen", a song by Tegan and Sara from the 2007 album '' The Con''. * "XIX" (song), a 2014 song by Slipknot. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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