Encyclopedia

Pennsylvania Station (Baltimore) Pennsylvania Station (generally referred to as Penn Station) is the main train station in Baltimore, Maryland. Designed by McKim, Mead & White, it was constructed in 1911 in the Beaux-Arts style of architecture for the Pennsylvania Railroad.
Pennsylvania Station (Cincinnati) Pennsylvania Station was a railroad station in Cincinnati, Ohio, that served the Pennsylvania Railroad (PRR), for which it was named, and the Louisville and Nashville Railroad. Built in 1880, it stood at the corner of Pearl and Butler Streets.
Pennsylvania Station (New York City) Pennsylvania Station (commonly known as Penn Station) is the major intercity rail station and a major commuter rail hub in New York City. The station is located in the underground levels of Pennsylvania Plaza, an urban complex in Midtown Manhattan, and is owned by Amtrak.
Pennsylvania Station (Newark) Pennsylvania Station (also known as Newark Penn Station) (not to be confused with Pennsylvania Station of New York City in Manhattan) is the larger of the two main train stations in Newark, New Jersey. It is located at Raymond Plaza, between Market Street and Raymond Boulevard.
Pennsylvania System of School Assessment The annual Pennsylvania System of School Assessment (PSSA) is a standards based criterion-referenced assessment used to measure a student's attainment of the academic standards while also determining the degree to which school programs enable students to attain proficiency of the standards. Every Pennsylvania student in grades 3 through 8 and grade 11 is assessed in reading and math.
Pennsylvania Trolley Museum The Pennsylvania Trolley Museum, located at 1 Museum Road, Washington, Pennsylvania, has a collection of 45 trolleys. The museum was formed just before the Pittsburgh to Washington line was abandoned when several trolleys were moved to the site on their original tracks.
Pennsylvania Turnpike/Interstate 95 Interchange Project The Pennsylvania Turnpike/Interstate 95 Interchange Project is a project to build an interchange where Interstate 95 crosses the Pennsylvania Turnpike in Bristol Township, Pennsylvania. This will fill the gap that exists on I-95 through New Jersey due to the cancellation of the Somerset Freeway.
Pennsylvania woods cockroach The Pennsylvania woods cockroach (Parcoblatta pennsylvanica) is a species of cockroach, measuring about 1" long. Parcoblatta virginica and Parcoblatta fulvescens may also at times be grouped together with this species under this name since they are similar.
Pennsylvania's 13th congressional district The 13th Congressional District of Pennsylvania is located in Southeastern Pennsylvania covering eastern Montgomery County and Northeast Philadelphia. The district traditionally included most of Montgomery County, but was redrawn in 2002.
Pennsylvania's 157th Representative District The Pennsylvania House of Representatives, District 157 is located in parts of Chester County (Schuylkill and Tredyffrin Townships and Phoenixville Borough) and Montgomery County (parts of Lower Providence and West Norriton Townships)
Pennsylvania's 16th congressional district Pennsylvania’s 16th congressional district is located in the southeastern part of the state, just west of Philadelphia. Created after the 2000 Census, the district is composed of a large portion of southern Chester County, all of Lancaster County, and a sliver of Berks County, including a sliver of the city of Reading.
Pennsylvania's 1st congressional district Pennsylvania's first district includes primarily central and South Philadelphia, the City of Chester, the Philadelphia International Airport, and other small sections of Delaware County. The district currently has an overwhelming Democratic majority.
Pennsylvania's 39th Senatorial District Pennsylvania's 39th Senate District is based in Westmoreland County, Pennsylvania. It includes: the cities of Greensburg, Jeannette and Latrobe; the townships of Derry, East Huntingdon, Hempfield, Mount Pleasant, North Huntingdon, Penn, Sewickley, South Huntingdon and Unity; and the boroughs of Adamsburg, Arona, Derry, Hunker, Irwin, Madison, Manor, Mount Pleasant, New Alexandria, New Stanton, North Belle Vernon, North Irwin, Penn, Rostraver, Smithton, South Greensburg, Southwest Greensburg, Sutersville, West Newton, Youngstown and Youngwood
Pennsylvania's 8th congressional district Pennsylvania District 8 of the United States House of Representatives is a Congressional district that serves Bucks County, along with a small portion of Montgomery County and northeast Philadelphia, in Pennsylvania. The current Representative from District 8 is Democrat Patrick Murphy.
Pennsylvania's At-large congressional district During the first three United States Congresses, Pennsylvania did not use congressional districts. Instead, it elected all of its allocated members to the United States House of Representatives at-large on a general ticket.
Pennsylvania-Reading Seashore Lines [Seashore Lines (PRSL) was a joint venture of the Pennsylvania Railroad] and [[Reading Railroad in southern New Jersey. Both railroads had built rail networks in the region, but the Great Depression cut into profits and the two companies joined their southern New Jersey lines into one company, which the PRR had a 2/3 ownership in.
Pennsylvania, Exeter Pennsylvania is situated on the high ground to the north of Exeter between the ancient deer park of Duryard, and Stoke Hill. It was last area to be developed, due to the steep sided valleys, in the 19th century and was named after the US state by Joseph Sparkes, a Quaker banker who built the first terrace there, in about 1820.
Pennsylvanian The Pennsylvanian is an epoch of the Carboniferous period lasting from roughly 325 Ma to 299 Ma (million years ago). As with most other geologic periods, the rock beds that define the period are well identified, but the exact date of the start and end are uncertain by a few million years.
Pennsylvanian (Amtrak) The Pennsylvanian is a 444-mile (715 km) daytime Amtrak train running between New York and Pittsburgh via Philadelphia. The trains travel through Pennsylvania's capital, the Pennsylvania Dutch Country, suburban and central Philadelphia, and pass through New Jersey up to New York.
Penny (Canadian coin) In Canada a penny is a coin worth one cent or of a dollar. According to the Royal Canadian Mint, the official national term of the coin is the "1 cent coin", but in practice the term penny or cent is universal.
Penny and Aggie Penny and Aggie is a webcomic] written by [[T Campbell and drawn by Gisèle Lagacé, centered on the two eponymous high school girls, Penny Levac and Aggie d'Amour. Penny Levac is a blonde, over-confident and somewhat arrogant teen queen, who is on top of the social circles in school, and Aggie is an eccentric outcast who takes pride in her rebelliousness.
Penny Arcade Adventures Penny Arcade Adventures will be a series of adventure games set in the Penny Arcade universe. The first game is entitled Penny Arcade Adventures: On the Rain-Slick Precipice of Darkness and will be available for Linux, Mac OS X and Windows platforms with the possibility of it coming to console.
Penny blacks Penny Blacks are a five-piece melodic rock n roll band from Edinburgh Scotland. Formed late 2005 by Chris Nisbet on lead guitar and Mark Pool on rhythm guitar and principal songwriter, the band existed in one form or another until 2006 saw the final line up take shape with the inclusion of Jon Seller on Lead Vocals and Euan Urqhart on drums.
Penny Birch Penny Birch is a pseudonymous erotic writer from England published by Nexus Books. She writes stories of female submission involving spanking, water-sports and ponygirl, and runs a popular website with exclusive stories and pictures.
Penny Black The Penny Black, the world's first official adhesive postage stamp, was issued by the United Kingdom of Great Britain and Ireland on May 1, 1840, for use from May 6. Although London offices received issues of the new stamps, not all the offices in the United Kingdom were so fortunate, some having to continue taking payments in cash.
Penny Black (research project) The Penny Black Project is a research project at Microsoft that tries to find effective and practical ways of fighting spam. Because deleting spams consumes a recipient's time, the idea is to make the sender of emails "pay" a certain amount for sending them.
Penny Blue The Penny Blue is an unissued type of postage stamp of Britain. It is from a series of proof impressions which were made at the time Rowland Hill was looking at the new colours which were to be used for the stamps which were to replace the Penny Black and the original 1840 issue of the Two pence Blue.
Penny Broadhurst Penny Broadhurst Born October 21 1980 in the Yorkshire town of Harrogate, is a British musician, actor, singer, writer, poet and spoken word artist from the north of England. She lists Billy Bragg, Alan Bennett, Eminem, Take That and Britney Spears among her many influences.
Penny capitalism The term penny capitalism was first used in 1953 to describe [economies in which there is land tenure] over tiny plots of land, where farmers produce crop surplus and engage in small-scale trading. [[Microfinance evolved in penny capitalist economies.
Penny Crone Penny Crone is an American reporter who was formerly a member of the Howard 100 News team on Sirius Satellite Radio. On January 17, 2007, Crone was let go from her position at Sirius due to "budget cuts".
Penny Cyclopaedia The Penny Cyclopædia of the Society for the Diffusion of Useful Knowledge was a multi-volume encyclopedia edited by George Long and published by Charles Knight alongside the Penny Magazine. The volumes were published from 1833 to 1843.
Penny Dreadful Penny Dreadful was a term applied to nineteenth century English fiction publications, usually lurid serial stories appearing in parts over a number of weeks, each part costing a penny. The term, however, soon came to encompass a variety of publications that featured cheap sensational fiction, such as story papers and booklet “libraries.
Penny Farthing Records Penny Farthing Records was established by UK record producer Larry Page (British singer and manager) as a progression from his successful 1960s label Page One Records. It did not repeat the top 20 hits of his earlier venture but signed some artists of note.
Penny Ford Penny Ford (born in Cincinnati, Ohio, USA), also known as Pennye Ford, is a music artist, and the sister of Sharon Redd. She released an album titled "Pennye" in 1984 and her following single Dangerous reached the UK Top 50 in 1985.
Penny Ings Adult film performer, credited with a single movie, "Dirty Dave's Sugar Daddy 5", released in 1997. Apparently used the stage name "Penny Flame", but is probably not the same person as the currently active adult film performer known as Penny Flame, since the current Penny Flame would have been only 14 years old in 1997 Âą, the year of Penny Ings' sole movie credit.
Penny Irving Penny Irving (born in England) shot to fame in the 1970s as a topless model page 3 girl and as an actor in the sitcoms Are You Being Served? (which she starred in as Miss Bakewell between 1976 and 1979) and The Likely Lads (playing the role of Sandy).
Penny Johnson Jerald Penny Johnson Jerald (born March 14 1961) is an American actress with an extensive career in film and television, best known for her portrayals of Beverly Barnes on The Larry Sanders Show, of Kasidy Yates on Star Trek: Deep Space Nine, and of Sherry Palmer on 24. She is often credited (as on DS9) as Penny Johnson.
Penny knife The penny knife is the most basic kind of folding knife, where the blade folds in and out of the handle freely without a spring or other locking device to hold it in position. The smallest models of Opinel knife are an example of this simple design, consisting only of a blade pivoting on a rivet through a metal collar around a wooden handle.
Penny Lane East Tower Penny Lane East Tower is a twin office tower project to be built on the existing site of Calgary's historic Penny Lane Mall. Concerns have been raised over the destruction of the 94-year-old Penny Lane Mall, however the City of Calgary approved the project in March 2006Industry Canada - $US156 Million facelift for Penny Lane Mall and the construction is scheduled to begin in 2009 (or as soon as new tenants are secured), and is to be completed within 7 years.
Penny Lilac The Penny Lilac was the basic penny postage stamp of Great Britain from its first issue on 12 July 1881 and was used until 1901. It superseded the short lived Penny Venetian Red because the Customs and Inland Revenue Act of 1881 necessitated new stamps that were also valid as revenue stamps, and so the Penny Lilac was issued in that year, inscribed "POSTAGE AND INLAND REVENUE".
Penny Magazine The Penny Magazine, published every Saturday from 31 March 1832 to 31 October 1835, was aimed at the working class. It was part of the Society for the Diffusion of Useful Knowledge's program for liberal reform.
Penny Mobs The Penny Mobs was the names used by the press to desribe the early street gang active in Glasgow, Scotland during the early 1870s. As the court system offered heavy fines as an alternative to imprisonment, gang members were often freed after a collection from the gang at a "penny a head" thus earning its name.
Penny postage Penny postage was a component of the comprehensive reform of the Royal Mail, the UK's official postal service, that took place in the 19th-century. The reforms were a government initiative to eradicate the abuse and corruption of the existing service.
Penny Proud Penny Proud is one of the main characters of The Proud Family, a Disney Channel animated series, although not an officially a Disney cartoon. Penny is a 16 year-old (After the Proud Family Movie) African-American dealing with the troubles of everyday life.
Penny rugby Penny rugby, (also known as Penny Football, Coin Football, Coin Soccer and Coin) is a coin game played commonly by children in many countries with many variations. The game involves scoring points by moving a coin around a table in a variety of skillful ways, and these movements are loosely based on the game of football (in its various codes, such as rugby or soccer).
Penny Red The Penny Red, issued in 1841, succeeded the Penny Black and continued as the main type of postage stamp in the United Kingdom of Great Britain and Ireland until 1879, with only minor changes to the design during that time. The colour was changed from black to red because of difficulty in seeing a cancellation mark on the Penny Black; a black cancel was readily visible on a Penny Red.
Penny Rimbaud Jeremy John Ratter (born 8 June 1943, Northwood, Middlesex, England), better known under his pseudonym of Penny Rimbaud, is a drummer, writer, poet, former member of performance art groups EXIT and Ceres Confusion, and co-founder of the anarchist punk band Crass with Steve Ignorant in 1977.
Penny Scots Penny (Scottish Gaelic: peighinn, but see below) was used in Scottish parlance for money generally; for example, a "penny-fee" was an expression for wages, a "penny-maister" would be a town treasurer, and a "penny-wedding" was one where every guest contributed to pay for the thing. Meanwhile penny-wheep was particularly poor beer.
Penny Sharpe Penelope Gail Sharpe (born 1970) is an Australian politician. She has been an Australian Labor Party member of the New South Wales Legislative Council since October 2005, when she filled a casual vacancy caused by the decision of Education Minister Carmel Tebbutt to move to the Legislative Assembly.
Penny Singleton Penny Singleton (September 15, 1908 – November 12, 2003) was a Hollywood actress best known for her role in the series of motion pictures based on the comic strip Blondie, followed by the popular Blondie radio program.
Penny Smith (journalist) Penelope Jane Smith (born September 21, 1958 in Rutland, England), is a television presenter and newsreader best known for her work on the breakfast TV show GMTV. She has previously worked for Sky News and Classic FM.
Penny Smith (mathematician) Penelope Smith is a mathematician at Lehigh University in Bethlehem, Pennsylvania, USA who in 2006 announced a solution to one of the Clay Mathematics Institute's Millenium problems, namely Navier-Stokes existence and smoothness. Unfortunately, she had to withdraw her ArXiv preprint on October 8th, 2006 because of a 'serious flaw' in one of her earlier already published papers that the preprint relied on.
Penny Streeter Penny Streeter is currently the managing director of Ambition 24 Hours recruitment agency in the United Kingdom. Founded in 1986, Ambition is a ÂŁ60 million temporary recruitment business in the United Kingdom.
Penny Taylor-Gil Penny Taylor-Gil, formerly known under her maiden name of Penny Taylor, is an Australian professional basketball player. She currently plays for the Phoenix Mercury in the Women's National Basketball Association (WNBA).
Penny university Penny University, originally an informal term for a coffeehouse, acquired a new meaning in the 1970s when several professors associated with the University of California, Santa Cruz and especially Cowell College, notably Page Smith, Paul Lee, and Mary Holmes, established the "Penny University" at Caffe Pergolesi behind Bookshop Santa Cruz. Wide-ranging conversations ensued, including a discussion of themes from Dostoevsky's The Brothers Karamazov - led by Donald Nicholl - and the seemingly impractical suggestion made on an evening presided over by Page Smith and Paul Lee, that what California needed was a revival of the old Civilian Conservation Corps....
Penny Valentine Penny Valentine (February 13, 1943 - January 9, 2003) was a British music journalist, rock critic, and occasional television personality, probably best known as a regular on Juke Box Jury in the mid-1960s, in which she established her fame. As a young woman, she also wrote articles for a variety of publications on the then-current Swinging London phenomenon.
Penny Warner Penny Warner is the author of the book Games People Play: The Biggest and Best Book of Party Games and Activities. The book was published originally in 1997 by Meadowbrook Press and distributed by Simon & Schuster of New York.
Penny Wong Penelope Ying-yen "Penny" Wong (黃英賢 born November 5, 1968), Australian politician, has been an Australian Labor Party member of the Australian Senate since 2002, representing South Australia. She is Australia's first openly lesbian and Asian-born female parliamentarian.
Penny's Bay Penny's Bay or Chok Ko Wan (竹篙灣) is a bay in north-eastern Lantau Island, and is the site of the Hong Kong Disneyland Resort, which consists of the Hong Kong Disneyland theme park, Disneyland Hotel and Disney's Hollywood Hotel, and the Inspiration Lake. It is connected by a highway and a rail connection on the MTR Disneyland Resort Line to Sunny Bay Station.
Penny-Farthing Press Penny-Farthing Press is a comic book publishing company located in Houston, Texas, in the United States. Started in 1998 with "a plan to create comic books and children's books that exemplified quality storytelling, artwork, and printing," Penny-Farthing has expanded from its single original title, The Victorian, to six comic series, including Captain Gravity, Decoy, The Loch, Para, and Zendra.
Pennybacker Bridge The Pennybacker Bridge in Austin, Texas bridges Lake Austin to connect north and south Loop 360 highway, also known as the "Capital of Texas Highway." The road is widely considered one of the most scenic urban drives in central Texas, in large part due to this arched weathering steel bridge and the rolling hills that flank the road.
Pennying Pennying is a simple drinking game popular among students at the universities of Cambridge, Oxford, Imperial College, Durham, Bath, Exeter, York, Bristol, and Monash. Unlike most drinking games, the rules of pennying are almost never explicitly declared to be in force; rather, by putting oneself in a social situation involving the consumption of alcohol, one is implicitly subjected to the rules should a "Pennying" situation occur.
Pennypack Creek Pennypack Creek is a creek that runs southwest through eastern Montgomery County, lower Bucks County, and the northeast section of Philadelphia, Pennsylvania, before emptying into the Delaware River. Originally known as Dublin Creek, the Pennypack was first surveyed by Thomas Holme in 1687.
Pennypacker Mills Pennypacker Mills is a Colonial Revival mansion surrounded by 170 acres of farmland located in Schwenksville, Pennsylvania () on the shore of the Perkiomen Creek, approximately 35 miles northwest of Philadelphia . Originally built around 1720, it was purchased in 1747 by the Pennypacker family, and remained privately owned by Pennypackers for eight generations.
Pennyroyal The herb Pennyroyal (Mentha pulegium, family Lamiaceae), is a member of the mint genus; an essential oil extracted from it is used in aromatherapy. Pennyroyal has a traditional folk medicine use in inducing abortions and is an abortifacient.
Pennywise (band) Pennywise is an American punk rock band that was formed in 1988 and named after a Stephen King horror novel, It, in which Pennywise the Dancing Clown is a guise taken on by the monster. Traditionally, the band releases an album every two years on Epitaph Records.
Penobscot Building Annex The Penobscot Building Annex is a high-rise office tower in Detroit, Michigan, located on 144 West Congress Street which is physically connected to the Penobscot Building. It was built in 1913 and stands at 26 storeys tall, with three basement floors, and 23 above-ground floors.
Penobscot Island Air Penobscot Island Air is a small regional airline located at Knox County Regional Airport, Maine, USA (RKD) operating near the County Terminal at the end of Terminal Lane as indicated on the adjacent map. The airline serves the islands in Maine's Penobscot Bay, including Matinicus Isle, Vinalhaven, and Criehaven.
Penobscot Marine Museum The Penobscot Marine Museum is Maine's oldest maritime museum and is designed to preserve and educate people regarding Maine's and Searsport, Maine's rich and unique maritime and shipbuilding history.Penobscot Marine Museum official site
Penokean orogeny The Penokean orogeny was a mountain-building episode that occurred in the early Proterozoic about 1.85 billion years ago, in the area of North America that would eventually become Minnesota, Wisconsin, Michigan, and Ontario.
Penola, South Australia Penola () is located 388 km south east of Adelaide and is in the heart of one of South Australia's most productive wine growing areas. Coonawarra lies just to the north and is famous for the quality of its red wines.
Penology Penology (from the Latin poena, "punishment") comprises penitentiary science: that concerned with the processes devised and adopted for the punishment, repression, and prevention of crime, and the treatment of prisoners.
Penor Rinpoche His Holiness (Kyabjé) Drubwang Pema Norbu Rinpoche is the 11th throne holder of the Palyul Lineage of the Nyingma school of Tibetan Buddhism, and is said to be an incarnation of Vimalamitra. He is widely renowned in the Tibetan Buddhist world as a master of Dzogchen.
Penpals (band) Penpals are a band from Japan and are responsible for the opening theme for the anime 'Berserk', titled "Tell me Why" among many others, and have currently released a number of Albums, singles, and music DVDs.
PenPad The Amstrad PenPad was an early personal digital assistant and a competitor to the Apple Newton. It was an attempt by Amstrad, a UK electronics firm with a history of successful involvement in personal computing, to corner the handheld market in the UK and Europe.
PenPoint OS The PenPoint OS was a product of GO Corporation and was one of the earliest operating systems written specifically for graphical tablets and personal digital assistants. It ran on AT&T's EO Personal Communicator as well as a number of Intel x86 powered Tablet PCs including IBM's ThinkPad 700T series, NCR's 3125, and some of GRiD Systems' pen-based portables.
Penrhyn Bay Penrhyn Bay is a small town on the North Wales coast, within the parish or community of Llandudno and part of the ecclesiastical parish of Llanrhos. It has the nucleus of a prosperous village with a cluster of local shops, a pub, a church and a modern medical centre with doctors' surgery at the foot of the pass over the shoulder of the Little Orme from Llandudno Bay.
Penrhyn railway station Penrhyn station (formerly Penrhyndeudraeth station) on the Ffestiniog Railway is located on a restricted site at Pen-y-Bwlch above the town of Penrhyndeudraeth (Penrhyndeudraeth means Headland between two beaches). The station opened on 6 January 1865, and was rebuilt in 1879 using components from the original Porthmadog Harbour Station—externally it has changed little since.
Penrhyndeudraeth Penrhyndeudraeth (headland/promontory with two beaches in Welsh) is a village in Gwynedd, Wales. It is located between the Traeth Mawr (big beach), the now largely reclaimed estuary of the River Glaslyn, and the Traeth Bach (little beach), the estuary of the River Dwyryd.
Penrhyndeudraeth railway station Penrhyndeudraeth railway station is a railway station serving the small town of Penrhyndeudraeth on the Lleyn Peninsula in Gwynedd, Wales. It is a station on the Cambrian Coast Railway with services between Shrewsbury and Pwllheli via Machynlleth.
Penrith (UK Parliament constituency) Penrith was a parliamentary constituency centred on the town of Penrith in Cumberland. It returned one Member of Parliament (MP) to the House of Commons of the Parliament of the United Kingdom, elected by the first past the post system.
Penrith and Cockermouth (UK Parliament constituency) Penrith and Cockermouth was a parliamentary constituency centred on the town of Penrith in Cumberland. It returned one Member of Parliament (MP) to the House of Commons of the Parliament of the United Kingdom, elected by the first past the post system.
Penrith and The Border (UK Parliament constituency) Penrith and The Border is a constituency of the House of Commons of the Parliament of the United Kingdom. It is represented by one Member of Parliament (MP) elected by the first past the post system of election.
Penrith Emus Rugby Penrith Rugby Club, known as the Emus, are an Australian rugby union club based in Penrith, a western suburb of Sydney, New South Wales. The club competes in the New South Wales Rugby Union competitions, the Shute Shield and Tooheys New Cup.
Penrith Whitewater Stadium The Penrith Whitewater Stadium as an artificial whitewater hosted the canoe/kayak slalom events at the 2000 Summer Olympics in Sydney. The facility is located at the Penrith Lakes Scheme close to Cranebrook, New South Wales adjacent to the Sydney International Regatta Centre.
Penrith, Cumbria Penrith is a market town in the county of Cumbria (historically Cumberland), England. It is sited in the Eden Valley just north of the River Eamont, and lies less than 5km outside the boundaries of the Lake District National Park.
Penrith, New South Wales Penrith is a suburb in the City of Penrith in western Sydney, in the state of New South Wales, Australia. It includes the city's commercial centre as well as the residential neighbourhoods of Lemongrove, South Penrith, and Glenmore Park.
Penrose criterion The Penrose Criterion in Plasma Physics is a criterion for kinetic stability of a plasma with a given velocity-space distribution function. This criterion can be used to determine that all so-called "single-humped" distributions (those with a single maxima), are kinetically stable.
Penrose diagram In theoretical physics, a Penrose diagram (named for mathematical physicist Roger Penrose) is a two-dimensional diagram that captures the causal relations between different points in space-time. It is an extension of a Minkowski diagram where the vertical dimension represents time, and the horizontal dimension represents space, and slanted lines at an angle of 45° correspond to light rays.
Penrose graphical notation Penrose graphical notation is a visual representation of tensor equations in physics proposed by Roger Penrose. Each tensor is expressed as a particular "bug" with many "legs" that correspond to indices.
Penrose interpretation The Penrose interpretation is an interpretation of quantum mechanics formulated by Sir Roger Penrose. This theory is a possible step toward Quantum gravity, as it describes quantum mechanics in terms of General relativity.
Penrose method The Penrose method is a method, devised in 1946 by Professor Lionel Penrose, for allocating seats or votes in legislatures based on the square root of the population of the representative's district or state. It has been proposed as a method for apportioning representation in a United Nations Parliamentary Assembly.
Penrose process The Penrose process is a process suggested by Roger Penrose in which energy may be extracted from a rotating black hole. It is made possible by the existence of a region of the Kerr spacetime called the ergoregion, a region in which a particle is necessarily dragged along with the rotating spacetime.
Penrose stairs The Penrose stairs is an impossible object devised by Lionel Penrose and his son Roger Penrose and can be seen as a variation on his Penrose triangle. It is a two-dimensional depiction of a staircase in which the stairs make four 90-degree turns as they ascend or descend yet form a continuous loop, so that a person could climb them forever and never get any higher.
Penrose-Hawking singularity theorems The Penrose-Hawking singularity theorems are a set of results in general relativity which attempt to answer the question of whether gravity is necessarily singular. These theorems answer this question affirmatively for matter satisfying "reasonable" energy conditions.
Penruddock uprising The Penruddock uprising was one of a series of coordinated uprisings planned by the Sealed Knot for a Royalist insurrection to start in March 1655 during the Protectorate of the Lord Protector Oliver Cromwell.
Penryn and Falmouth (UK Parliament constituency) Penryn and Falmouth was a parliamentary constituency centred on the towns of Penryn and Falmouth in Cornwall, represented in the House of Commons of the Parliament of the United Kingdom, elected by the first past the post system.
Penryn, Cornwall Penryn (Cornish: Pennrynn, from Pen-ryn meaning 'promontory') is a town in Cornwall, United Kingdom on the Penryn river. Now the area is largely dominated by Falmouth, in the medieval period it was an important harbour in its own right, exporting granite and tin.
Pens (game) Pens is a card game for two or more players. The players sit around a table, and a number of pens (one less than the number of players) are laid with equal spacing in the centre of the table, at an equal distance from each of the players.
Pensacola Aviators The Pensacola Aviators are an American Basketball Association expansion team located in Pensacola, Florida. They were originally scheduled to play the 2004-2005 season, but the tenant at the Civic Center would not allow another team to play there.

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