Wikipedia:Picture of the day/August 2014

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Picture of the day archives

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These featured pictures, as scheduled below, appeared as the picture of the day (POTD) on the English Wikipedia's Main Page in August 2014. Individual sections for each day on this page can be linked to with the day number as the anchor name (e.g. [[Wikipedia:Picture of the day/August 2014#1]] for August 1).

You can add an automatically updating POTD template to your user page using {{Pic of the day}} (version with blurb) or {{POTD}} (version without blurb). For instructions on how to make custom POTD layouts, see Wikipedia:Picture of the day.Purge server cache


August 1

Portrait of a Young Girl

Portrait of a Young Girl is a small oil painting on oak panel completed between 1465 and 1470 by Petrus Christus. Unlike in prior Early Netherlandish paintings, the sitter is placed in an airy, three-dimensional, realistic setting. This portrait, described by art historian Joel Upton as "a polished pearl, almost opalescent, lying on a cushion of black velvet", was influential in the decades after its completion.

Painting: Petrus Christus

Recently featured:

August 2

Menier Chocolate factory

A chocolate factory designed by the architect Jules Saulnier for Menier Chocolate in Noisiel, France. Completed in 1872, it has been cited as the first true skeleton structure, with exterior walls needing only simple infill. The factory was designated by the government of France as an official Monument historique in 1992, and it is on the tentative list to be named a UNESCO World Heritage Site.

Photograph: Myrabella


August 3

Great-winged petrel

The great-winged petrel (Pterodroma macroptera) is a species of petrel endemic to southern Australia and New Zealand; this specimen was photographed east of Tasmania. Two subspecies of the great-winged petrel are recognized.

Photograph: JJ Harrison


August 4

Papilio polytes

A mating pair of

crimson rose
. The female in this photograph, at the top of the coupling, is of the romulus morph.

Photograph: Muhammad Mahdi Karim


August 5

NGC 2467

young star that is helping to shape the whole nebular
region's structure.

Photograph: European Southern Observatory


August 6

A NASA video, titled Curiosity's Seven Minutes of Terror, explaining the atmospheric entry, descent, and landing of the Mars rover Curiosity as part of the Mars Science Laboratory mission. The landing sequence required 6 vehicle configurations, 76 pyrotechnic devices, a large supersonic parachute, and more than 500,000 lines of computer code. (higher resolution)

Video: NASA



August 7

Canary Island spurge

The Canary Island spurge (Euphorbia canariensis) is a succulent member of the genus Euphorbia endemic to the Canary Islands. It is a small tree which grows to between 3 and 4 metres (9.8 and 13.1 ft) in height and is made up of fleshy quadrangular or pentagonal trunks that look like cacti. This specimen was photographed close to the Mirador de Archipenque at Los Gigantes.

Photograph: Claude Meisch


August 8

Stanford University

A panoramic view of the

their only child. The 8,180-acre (3,310 ha) campus is located in what is now Silicon Valley, and the university's graduates include founders of Google, Yahoo!, and Hewlett-Packard
.

Photograph: King of Hearts


August 9

Myrtle warbler

A male myrtle warbler (Setophaga coronata coronata) in breeding plumage, photographed in the Léon-Provancher Ecological Reserve, Québec, Canada. This form, found in the northeastern United States and eastern Canada, is considered conspecific with the Audubon's warbler, which is found further west. The myrtle warbler can be distinguished from the Audubon's by its white eyestripe, white (not yellow) throat, and contrasting cheek patch.

Photograph: Simon Pierre Barrette


August 10

Subpage 1

Demand Note

U.S. dollars. Released during the American Civil War, these notes were used to pay expenses incurred by the Union during the war. They were popularly known as "greenbacks", a name inherited by their successors, the Legal Tender and Federal Reserve Notes
.

Shown here is a $5 note, dated 10 August 1861, which includes a portrait of the first Secretary of the Treasury, Alexander Hamilton, on the right, and the then-incomplete Statue of Freedom on the left. This bill is scanned from the National Numismatic Collection at the National Museum of American History.

See another banknote

Banknote: Bureau of Engraving and Printing (image courtesy of the National Numismatic Collection, National Museum of American History)

Subpage 2

Demand Note

U.S. dollars. Released during the American Civil War, these notes were used to pay expenses incurred by the Union during the war. They were popularly known as "greenbacks", a name inherited by their successors, the Legal Tender and Federal Reserve Notes
.

Shown here is a $10 note, dated 10 August 1861, which includes an allegorical image of

Bald Eagle perched on olive branches with a ribbon stating E PLURIBUS UNUM. This bill is scanned from the National Numismatic Collection at the National Museum of American History
.

See another banknote

Banknote: Bureau of Engraving and Printing (image courtesy of the National Numismatic Collection, National Museum of American History)

Subpage 3

Demand Note

U.S. dollars. Released during the American Civil War, these notes were used to pay expenses incurred by the Union during the war. They were popularly known as "greenbacks", a name inherited by their successors, the Legal Tender and Federal Reserve Notes
.

Shown here is a $20 note, dated 10 August 1861, which features a feminine allegory representing either

Liberty, or perhaps America, in the center. The figure has a sword in her right hand and holds a striped shield, featuring a Bald Eagle at the top, in her left. This bill is scanned from the National Numismatic Collection at the National Museum of American History
.

See another banknote

Banknote: Bureau of Engraving and Printing (image courtesy of the National Numismatic Collection, National Museum of American History)


August 11

Jet engine

A diagram of a typical turbojet engine. Air is compressed as it enters the engine, and is mixed with fuel that burns in the combustion section. Released through the exhaust, the resulting hot gases provide forward thrust and turn the turbines that drive the fan blades of the compressor.

Diagram: Jeff Dahl

Recently featured:

August 12

Slender mongoose

The

slender mongoose (Galerella sanguinea) is a common species of mongoose found throughout much of sub-Saharan Africa. Dozens of subspecies are known, and the fur color varies between subspecies. The slender mongoose tends to live alone or in pairs, and, although it is an opportunistic omnivore
, it feeds primarily on insects.

This specimen was photographed at the Prague Zoo in the Czech Republic.

Photo: Karel Jakubec

Recently featured:

August 13

Gulf fritillary

The Gulf fritillary (Agraulis vanillae) is a bright orange butterfly of the family Nymphalidae and subfamily Heliconiinae, found from Argentina in the south to California in the north.

Photograph: Wilfredor

Recently featured:

August 14

Ducal Palace of Vila Viçosa

A panoramic view of the Ducal Palace of Vila Viçosa, in the Portuguese Alentejo. For centuries it was the seat of the House of Braganza, one of the most important noble houses in Portugal and the kingdom's ruling house from 1640 until a republican government replaced King Manuel II in the 5 October 1910 revolution.

Photograph: Alvesgaspar


August 15

Harlequin beetle

The harlequin beetle (Acrocinus longimanus) is a large tropical longhorn beetle native to the Americas. The species' common name is derived from the elaborate pattern of black, red and greenish yellow markings on the wing covers of both sexes.

Photograph: Didier Descouens


August 16

Schloss Weißenstein

A panoramic view of

Schönborn family. The castle contains a large Baroque
art collection.

Photograph: User:Rainer Lippert


August 17

John Cary map of the Indies

An 1801 map of the

East Indies, prepared by John Cary for his New Universal Atlas, depicting all of Southeast Asia. In a restricted sense, the term East Indies refers to the area's islands, though it has also been used to include certain land-locked areas (mostly those under Indian cultural influence). European powers, beginning with the Portuguese, explored and colonized these regions in the late 15th century; the East Indies were not decolonized
until the 20th century.

Map: John Cary


August 18

Australian shelduck

A male

shelduck is sexually dimorphic
: males are larger than females and do not have a white ring around their eyes.

Photo: JJ Harrison


August 19

Charles Bolden

African American
to head the agency on a permanent basis.

Photo: NASA/Bill Ingalls


August 20

Benjamin Harrison

Benjamin Harrison (1833–1901) was a politician who became the 23rd president of the United States. The grandson of former president William Henry Harrison, Benjamin Harrison was a lawyer and soldier before becoming a U.S. senator from Indiana. After defeating the incumbent Grover Cleveland, in 1889 Harrison became president; during his four-year term he enacted such policies as the McKinley Tariff and the Sherman Antitrust Act.

Photo: Pach Brothers, restoration: Adam Cuerden


August 21

Osaka Castle

fell
to pro-imperial forces. Since then the castle has been rebuilt several times, most recently in the 1990s.

Photo: 663highland


August 22

Thermal power station

A diagram of a typical

power plant in which the prime mover is steam driven. Water is heated, turns into steam and spins a steam turbine, which drives an electrical generator. After it passes through the turbine, the steam is condensed in a condenser and recycled to where it was heated; this is known as a Rankine cycle. For a more detailed overview of the process, consult the diagram
's description.

Diagram: BillC; modifications: MaCRoEco


August 23

Al-Ameen College of Pharmacy

Al-Ameen College of Pharmacy is a pharmacy college in Bangalore, India. Established in 1983, it is under the purview of the Al-Ameen Educational Society.

Photo: Muhammad Mahdi Karim


August 24

1933 double eagle reverse

The reverse of a 1933-dated specimen of the double eagle ($20 gold piece) designed by Augustus Saint-Gaudens. 445,500 specimens were minted with this date, but after the Gold Reserve Act withdrew the legal tender status of gold coins and outlawed most private possession of gold, almost all were destroyed.

Only two double eagles were intentionally spared; they are in the National Numismatic Collection of the National Museum of American History. But at least twenty more were stolen by an unidentified person. Of these, nine were melted down in the 1940s and 50s and ten more are held at Fort Knox. Another, which had belonged to King Farouk of Egypt, was recovered in 1996 and sold at auction in 2002 to an anonymous bidder for almost 7.6 million dollars.

Coin: Augustus Saint-Gaudens; photo: United States Mint


August 25

European bee-eaters

The

Meropidae
which breeds in southern Europe and in parts of north Africa and western Asia and winters in tropical Africa, India and Sri Lanka. The species predominantly feeds on insects, especially bees, wasps and hornets, which are caught in the air by sorties from an open perch.

Photo: Pierre Dalous


August 26

Galerie des Batailles

The central part of the ceiling at the Galerie des Batailles, a 120-by-13-metre (394 by 43 ft) gallery at the Palace of Versailles joining onto the grand and petit appartements de la reine. Designed by Pierre-François-Léonard Fontaine and Frédéric Nepveu upon the order of Louis Philippe I, the gallery's design includes a wide cornice supporting a coffered painted ceiling with entablatures supported by Corinthian columns along the length of the gallery.

Photo: -donald-


August 27

Leiocephalus personatus

curly-tailed lizard first described by Edward Drinker Cope in 1862. This specimen was photographed in the reptile zoo of Neu-Ulm
, Germany.

Photo: H. Krisp


August 28

Taj Mahal Mosque

The mosque at the Taj Mahal complex in Agra, India. This red sandstone building, on the western side of the complex, faces the west side of the mausoleum. In the forefront is a howz, meant for ablution. On the eastern side of the complex is the jawab ("answer"), a mirror image of the mosque except for the missing mihrab and different floor pattern; this jawab was mainly intended for architectural balance. Both were constructed in 1643.

Photo: Muhammad Mahdi Karim


August 29

Spread-winged skipper

Spialia mafa is a species of butterfly in the spread-winged skipper subfamily that is found in south-western Africa. These skippers bask with their wings held wide open, but close the wings when at rest. The subfamily consists of seven tribes, a number which has increased in the past several decades as more tribes were recognized.

Photo: Muhammad Mahdi Karim


August 30

Two-point equidistant projection

A

Blue Marble
summer month composite, with oceans lightened to enhance legibility and contrast.

Map: Strebe, using the Geocart map projection software


August 31

Neurological diagram of a scallop

This image represents a view from the "front" of the neural system of a giant

scallop, slightly turned, with the shell or "valve" hinge line at the top and open free margin along the bottom (this image shows what most observers might think of as a "side view" or "edge view"— see inset for orientation). The largest, most important ganglia
are the parietovisceral (not the cerebral) which connect to the circumpallial nerve somewhat like an axle connects via spokes to the rim of a wheel. The circumpallial nerve forms a complete folded double ring around the edge of the animal's disk-like mantle inside each valve (mantle not shown here). The hundreds of nerves of the scallop's eyes and tentacles would have appeared as long thin lines jutting off along the entire length of this nerve like hazy fringe.

Diagram: K.D. Schroeder


Picture of the day archives and future dates

2004: January February March April May June July August September October November December
2005: January February March April May June July August September October November December
2006: January February March April May June July August September October November December
2007: January February March April May June July August September October November December
2008: January February March April May June July August September October November December
2009: January February March April May June July August September October November December
2010: January February March April May June July August September October November December
2011: January February March April May June July August September October November December
2012: January February March April May June July August September October November December
2013: January February March April May June July August September October November December
2014: January February March April May June July August September October November December
2015: January February March April May June July August September October November December
2016: January February March April May June July August September October November December
2017: January February March April May June July August September October November December
2018: January February March April May June July August September October November December
2019: January February March April May June July August September October November December
2020: January February March April May June July August September October November December
2021: January February March April May June July August September October November December
2022: January February March April May June July August September October November December
2023: January February March April May June July August September October November December
2024: January February March April May June July August September October November December
2025: January February March April May June July August September October November December