A globe is a three-dimensional scale model of Earth (terrestrial globe) or other spheroid celestial body such as a planet, star, or moon. It may also refer to a spherical representation of the celestial sphere, showing the apparent positions of the stars and constellations in the sky (celestial globe). The word "globe" comes from the Latin word ''globus'', meaning round mass or sphere.

Terrestrial and planetary

A globe is the only representation of the earth that does not distort either the shape or the size of large features; flat maps are created using a map projection that inevitably introduces an increasing amount of distortion the larger the area that the map shows. A typical scale for a terrestrial globe is roughly 1:40 million.

Sometimes a globe has surface texture showing topography; in these, elevations are exaggerated, otherwise they would be hardly visible. Most modern globes are also imprinted with parallels and meridians so that one can tell the approximate coordinates of a specific place. Globes provide the best view of Earth today.

Celestial

Celestial globes show the apparent positions of the stars in the sky. They omit the Sun, Moon and planets because the positions of these bodies vary relative to those of the stars, but the ecliptic, along which the Sun moves, is indicated.

A potential issue arises regarding the "handedness" of celestial globes. If the globe is constructed so that the stars are in the positions they actually occupy on the imaginary celestial sphere, then the star field will appear back-to-front on the surface of the globe (all the constellations will appear as their mirror images). This is because the view from Earth, positioned at the centre of the celestial sphere, is of the ''inside'' of the celestial sphere, whereas the celestial globe is viewed from the ''outside''. For this reason, celestial globes may be produced in mirror image, so that at least the constellations appear the "right way round". Some modern celestial globes address this problem by making the surface of the globe transparent. The stars can then be placed in their proper positions and viewed ''through'' the globe, so that the view is of the inside of the celestial sphere, as it is from Earth.

History

The sphericity of the Earth was established by Hellenistic astronomy in the 3rd century BC, and the earliest terrestrial globe appeared from that period. The earliest known example is the one constructed by Crates of Mallus in Cilicia (now Çukurova in modern-day Turkey), in the mid-2nd century BC.

No terrestrial globes from Antiquity or the Middle Ages have survived. An example of a surviving celestial globe is part of a Hellenistic sculpture, called the Farnese Atlas, surviving in a 2nd century AD Roman copy in the Naples Museum, Italy.

Early terrestrial globes depicting the entirety of the Old World were constructed in the Islamic Golden Age. One such example was constructed in the 9th century by Muslim geographers and cartographers working under the Abbasid caliph, Al-Ma'mun. Another example was the terrestrial globe introduced to Beijing by the Persian astronomer, Jamal ad-Din, in 1267.

The oldest surviving terrestrial globe is credited to Martin Behaim in Nuremberg, Germany, in 1492. A facsimile globe showing America was made by Martin Waldseemueller in 1507. Another early globe, the Hunt-Lenox Globe, ca. 1507, is thought to be the source of the phrase "Here be dragons". Another "remarkably modern-looking" terrestrial globe of the Earth was constructed by Taqi al-Din at the Istanbul observatory of Taqi al-Din during the 1570s.

An unusually high proportion of vintage 20th century world globes feature the Australian town of Birdum, which no longer exists but once held an important position at the end of the Northern Australian Railway.

Manufacture

Mass-produced globes are typically covered by a printed paper map. The most common type has long, thin gores (strips) of paper that narrow to a point at the North Pole and the South Pole. Then a small disk is used to paper over the inevitable irregularities at the poles. The more gores there are, the less stretching and crumpling is required to make the paper map fit the sphere. From a geometric point of view, all points on a sphere are equivalent – one could select any arbitrary point on the Earth, and create a paper map that covers the Earth with strips that come together at that point and the antipodal point.

A globe is usually mounted at a 23.5° angle on bearings. In addition to making it easy to use this mounting also represents the angle of the planet in relation to its sun and the spin of the planet. This makes it easy to visualize how days and seasons change.

Notable examples

The Unisphere in Queens, New York, at 120 feet (36.6 m) in diameter, is the world's largest global structure.

Eartha, currently the world's largest rotating globe ( in diameter), at the Delorme headquarters in Yarmouth, Maine The Mapparium, three-story, stained glass globe at the Mary Baker Eddy Library in Boston, which visitors walk through via a glass bridge. The Babson globe in Wellesley, Massachusetts, a globe which originally rotated on its axis and on its base to simulate day and night and the seasons

The giant globe in the lobby of The News Building in New York City.

The Hitler Globe, also known as the Führer globe, was formally named the Columbus Globe for State and Industry Leaders. Two editions existed during Hitler's lifetime, created during the mid-1930s on his orders. (The second edition changed the name of Abyssinia to Italian East Africa). These globes were "enormous" and very costly. According to the New York Times, "the real Columbus globe was nearly the size of a Volkswagen and, at the time, more expensive." Several still exist, including three in Berlin: one at a geographical institute, one at the Märkisches Museum, and another at the Deutsches Historisches Museum. The latter has a Soviet bullet hole through Germany. One of the two in public collections in Munich has an American bullet hole through Germany. There are several in private hands inside and out of Germany. A much smaller version of Hitler's globe was mocked by Charlie Chaplin in ''The Great Dictator'', a film released in 1940.

Gallery

See also

Armillary sphere

Cartography

Dymaxion map

Emery Molyneux

Google Earth

NASA World Wind

Johannes Schöner globe

Virtual globe

References

External links

ppmglobe - generate strips to glue onto a sphere

3D VRML globe

3D Java Globe with coastlines, parallels, meridians, etc.

Category:Map types

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name	The Edge
background	solo_singer
birth name	David Howell Evans
born	August 08, 1961Barking, London, England
origin	County Dublin, Ireland
instrument	Guitar, vocals, keyboards, piano, bass guitar
genre	Rock, post-punk, alternative rock
occupation	Musician, songwriter, activist
years active	1976–present
label	Island (1980–2006)Mercury (2006–present)
associated acts	U2, Passengers
website	U2.com
notable instruments	Gibson ExplorerFender StratocasterGibson Les PaulFender TelecasterGretsch Country GentlemanGretsch White FalconRickenbacker 330/12 }}

David Howell Evans (born 8 August 1961), more widely known by his stage name The Edge (or just Edge), is a musician best known as the guitarist, backing vocalist, and keyboardist of the Irish rock band U2. A member of the group since its inception, he has recorded 12 studio albums with the band and has released one solo record. As a guitarist, The Edge has crafted a minimalistic and textural style of playing. His use of a rhythmic delay effect yields a distinctive ambient, chiming sound that has become a signature of U2's music.

The Edge was born in England to a Welsh family, but was raised in Ireland after moving there as an infant. In 1976, at Mount Temple Comprehensive School, he formed U2 with his fellow students and his older brother Dik. Inspired by the ethos of punk rock and its basic arrangements, the group began to write its own material. They eventually became one of the most popular acts in popular music, with successful albums such as 1987's ''The Joshua Tree'' and 1991's ''Achtung Baby''. Over the years, The Edge has experimented with various guitar effects and introduced influences from several genres of music into his own style, including American roots music, industrial music, and alternative rock. With U2, The Edge has also played keyboards, co-produced their 1993 record ''Zooropa'', and occasionally contributed lyrics. The Edge met his second and current wife, Morleigh Steinberg, through her collaborations with the band.

As a member of U2 and as an individual, The Edge has campaigned for human rights and philanthropic causes. He co-founded Music Rising, a charity to support musicians affected by Hurricane Katrina. He has collaborated with U2 bandmate Bono on several projects, including songs for Roy Orbison and Tina Turner, and the soundtracks to the musical ''Spider-Man: Turn Off the Dark'' and the Royal Shakespeare Company's London stage adaptation of ''A Clockwork Orange''. In 2011, ''Rolling Stone'' magazine placed him at number 38 on its list of "The 100 Greatest Guitarists of All Time".

Personal life

David Howell Evans was born at the Barking Maternity Hospital, Essex, England to Welsh parents Garvin and Gwenda Evans. When he was one, his family moved to County Dublin, Ireland where he attended St Andrew's National School. He received piano and guitar lessons and often performed with his brother Dik Evans before they both answered an advertisement posted by Larry Mullen, Jr. at their school, Mount Temple Comprehensive School, seeking musicians to form a band. The band accepted both of them. This band went through several incarnations before emerging as U2 in March 1978 (Dik Evans left the band just before the name change). U2 began performing in various venues in Ireland and eventually began developing a following. Their debut album, ''Boy'', was released in 1980.

In 1981, leading up to the October tour, Evans came very close to leaving U2 for religious reasons, but he decided to stay. During this period, he became involved with a group called Shalom Tigers, in which bandmates Bono and Larry Mullen Jr. were also involved. Shortly after deciding to remain with the band, he wrote a piece of music that later became "Sunday Bloody Sunday". The Edge married his high school girlfriend Aislinn O'Sullivan on 12 July 1983. The couple had three daughters together: Hollie in 1984, Arran in 1985 and Blue Angel in 1989. The couple separated in 1990, but were unable to get officially divorced because of Irish laws regarding marriage annulment; divorce was legalised in 1995 and the couple were legally divorced in 1996. In 1993, The Edge began dating Morleigh Steinberg, a professional dancer and choreographer employed by the band as a belly dancer during the Zoo TV Tour. They had a daughter, Sian (born 1997), and a son, Levi (born 25 October 1999), before marrying on 22 June 2002.

He appeared in the 2009 music documentary film ''It Might Get Loud''.

The Edge has been criticized for his efforts to build five luxury mansions on a 156 acre plot of land in Malibu, California. The California Coastal Commission voted 8-4 against the plans, with the project described by the commission's executive director, Peter Douglas, as "In 38 years...one of the three worst projects that I've seen in terms of environmental devastation...It's a contradiction in terms – you can't be serious about being an environmentalist and pick this location." The Santa Monica Mountains Conservancy agreed to remain neutral on the issue following a $1 million donation from The Edge and a commitment from The Edge to designate 100 acres of the land as open space for public footpaths.

Music style

Guitar playing

As a guitar player, The Edge has a sound typified by a low-key playing style, a chiming, shimmering sound (thanks in part to the sound of VOX AC-30s) that he achieves with extensive use of delay effects and reverb. The feedback delay is often set to a dotted eighth note (3/16 of a measure), and the feedback gain is adjusted until a note played repeats two or three times.

On 1987's ''The Joshua Tree'', The Edge often contributes just a few simple lead lines given depth and richness by an ever-present delay. For example, the introduction to "Where the Streets Have No Name" is simply a repeated six-note arpeggio, broadened by a modulated delay effect. The Edge has said that he views musical notes as "expensive", in that he prefers to play as few notes as possible. He said in 1982 of his style,

"I like a nice ringing sound on guitar, and most of my chords I find two strings and make them ring the same note, so it's almost like a 12-string sound. So for E I might play a B, E, E and B and make it ring. It works very well with the Gibson Explorer. It's funny because the bass end of the Explorer was so awful that I used to stay away from the low strings, and a lot of the chords I played were very trebly, on the first four, or even three strings. I discovered that through using this one area of the fretboard I was developing a very stylized way of doing something that someone else would play in a normal way."

Many different influences have shaped The Edge's guitar technique. His first guitar was an old acoustic guitar that his mother bought him at a local flea market for only a few pounds; he was nine at the time. He and his brother Dik Evans both experimented with this instrument. He said in 1982 of this early experimentation, "I suppose the first link in the chain was a visit to the local jumble sale where I purchased a guitar for a pound. That was my first instrument. It was an acoustic guitar and me and my elder brother Dik both played it, plonking away, all very rudimentary stuff, open chords and all that." The Edge has stated that many of his guitar parts are based around guitar effects. This is especially true from the ''Achtung Baby'' era onwards, although much of the band's 1980s material made heavy use of echos.

Vocals

The Edge also supplies the backing vocals for U2. U2's 1983 live album and video release, ''Under a Blood Red Sky'' and ''Live at Red Rocks: Under a Blood Red Sky'' are good reference points for his singing (as are the live DVDs from the Elevation Tour, ''U2 Go Home: Live from Slane Castle'' and ''Elevation 2001: Live from Boston''). For example, he sings the chorus to "Sunday Bloody Sunday" (Bono harmonizes on the final 'Sunday'). U2 used this tradeoff technique later in "Bullet the Blue Sky" as well. His backing vocals are sometimes in the form of a repeated cry; examples of songs that use this approach include "Beautiful Day", "New Year's Day" and "Stay (Faraway, So Close!)". Other technique he uses in his backing vocals is the falsetto, for instance in "Stuck in a Moment You Can't Get Out Of", "Sometimes You Can't Make It on Your Own", "A Man and a Woman", "The Wanderer", live versions of "The Fly", and "Window in the Skies".

The Edge sings the lead vocal on "Van Diemen's Land" and "Numb", the first half of the song "Seconds", dual vocals with Bono in "Discotheque", and the bridge in the song "Miracle Drug". He also sings the occasional lead vocal in live renditions of other songs (such as "Sunday Bloody Sunday" during the PopMart Tour and "Party Girl" during the Rotterdam Zoo TV show when it was Bono's birthday). He also does a solo version of the song "Love is Blindness" that is featured in the documentary DVD "From the Sky Down".

Other instruments

He has played piano and keyboards on many of the band's songs, including "I Fall Down", "October", "So Cruel", "New Year's Day", "Running to Stand Still", "Miss Sarajevo", "The Hands that Built America", and "Original of the Species" and others. He plays the organ on "Please". In live versions of "New Year's Day", "The Unforgettable Fire", "Your Blue Room", and "Moment of Surrender", he plays both the piano and guitar parts alternately. In most live versions of "Original of the Species," piano is the only instrument played during the song.

Although The Edge is the band's lead guitarist, he occasionally plays bass guitar, including the live performances of the song "40" where The Edge and bassist Adam Clayton switch instruments.

Solo recordings

In addition to his regular role within U2, The Edge has also recorded with such artists as Johnny Cash, B. B. King, Tina Turner, Ronnie Wood, Jay-Z, and Rihanna.

The Edge connected with Brian Eno and Lanois collaborator Michael Brook (the creator of the infinite guitar, which he regularly uses), working with him on the score to the film ''Captive'' (1986). From this soundtrack the song "Heroine", the vocal of which was sung by a young Sinéad O'Connor was released as a single.

He also created the theme song for season one and two of ''The Batman''. He and fellow U2 member, Bono, wrote the lyrics to the theme of the 1995 James Bond film ''GoldenEye''. The Edge, along with fellow bandmate Bono, recently composed a musical adaptation of Spider-Man. On May 25, 2011, a single titled ''Rise Above 1: Reeve Carney Featuring Bono and The Edge'' was released digitally. The music video was released on July 28, 2011.

Musical equipment

The Edge plays electric guitar, acoustic guitar, keyboards, piano, bass guitar (on "40" and "Race Against Time") and lap steel guitar.

Compared to many lead guitarists, The Edge is known for using many more guitars during a show. According to his guitar tech Dallas Schoo, a typical lead guitarist uses four or five different guitars in one night, whereas The Edge takes 45 on the road, and uses 17 to 19 in one 2.5-hour concert. He is estimated to have more than 200 guitars in the studio.

Philanthropy

In 2005, The Edge along with Bob Ezrin and Henry Juszkiewicz co-founded Music Rising, a charity that helped provide replacement instruments for those that were lost in Hurricane Katrina. The instruments were originally only replaced for professional musicians but they soon realized the community churches and schools needed instruments as well. The charity's slogan is "Rebuilding the Gulf Region note by note" and has so far helped over a hundred musicians who were affected by Hurricane Katrina. The Edge also serves on the board of the Angiogenesis Foundation, a 501(c)(3) nonprofit organization dedicated to improving global health by advancing angiogenesis-based medicine, diets, and lifestyle.

See also

List of people on stamps of Ireland

Timeline of U2

References

;Footnotes

;Bibliography

External links

U2.com, official U2 site

Music Rising

The Edge – Album Credits

A Study of The Edge's Guitar Delay

The Edge: 'It's all about the vision'

Food Bank For New York City public service announcement

Comment on the mathematical analysis of The Edge's guitar sound

Category:Irish male singers Category:Irish rock guitarists Category:Irish people of Welsh descent Category:People from County Dublin Category:People from Dalkey Category:Lead guitarists Category:Slide guitarists Category:Ivor Novello Award winners Category:Golden Globe Award winning musicians Category:Backing vocalists Category:U2 members Category:1961 births Category:Living people Category:Pseudonymous musicians

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