Wikipedia:Today's second feature/October 2005


(Today is Sunday, November 3, 2024; it is now 12:23 UTC)




October 1
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Plasma lamp electrode and plasma stream

The central electrode of a plasma lamp, showing a glowing blue plasma streaming upwards. The colors are a result of the radiative recombination of electrons and ions and the relaxation of electrons in excited states back to lower energy states. These processes emit light in a spectrum characteristic of the gas being excited.

Photo credit: PiccoloNamek

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October 2
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Australian cart

Carts have many different shapes but the basic idea of transporting material (or maintaining a collection of materials in a portable fashion) remains. Carts usually have two or four wheels. Those with four wheels (also known as drays or wagons) will often have a pivoting front axle that has a pole connected to the collars or yoke of the two guiding draught animals.

Photo credit: Fir0002

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October 3

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October 4

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October 5

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October 6

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October 7

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October 8
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Black Sea near Sochi (1915)

Sochi is a popular Russian resort, situated in the Krasnodar Krai, near the Russian border with Abkhazia, Georgia. It is located in a spectacular natural setting with snow-capped peaks of the Caucasus Mountains overlooking the Black Sea.

This picture of the sunset at Sochi, taken by Prokudin-Gorskii in 1915, is an example of early colour photography.

Photo credit: Sergei Mikhailovich Prokudin-Gorskii

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October 9
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Flying female mallard duck

The Mallard, also known in North America as the Wild Duck, is a common and widespread dabbling duck which breeds throughout the temperate and sub-tropical areas. It is probably the best-known of all ducks. The females are light brown, with plumage much like most female dabbling ducks. They can be distinguished from other ducks, by the distinctive speculum.

Photo credit: M. Correns

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October 10

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October 11

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October 12

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October 13

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October 14

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October 15
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Hippopotamus skull

A skull, or cranium, is a bony structure of vertebrates which serves as the general framework for a head. The skull supports the structures of the face and protects the brain against injury.

This example of a hippopotamus's skull also shows the large canine teeth, used for fighting, which can grow up to 50 cm long.

Photo credit: Raul654

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October 16
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Petronas Towers

For five years after their completion in 1998, the Petronas Towers in Kuala Lumpur, Malaysia, were the world's tallest buildings. The architectural design by César Pelli includes motifs found in Islamic art — a reflection of Malaysia's Muslim heritage.

In an unusual move, a different construction company was contracted to build each tower and set to compete against each other. The builders of Tower 2 won the race, despite starting a month behind Tower 1.

Photo credit: Ángel Riesgo Martínez

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October 17

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October 18

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October 19

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October 20

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October 21

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October 22
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Red-whiskered Bulbul

The Red-whiskered Bulbul, Pycnonotus jocosus, is a member of the bulbul family. It is resident in tropical Asia from India through to southeast Asia and China. It has been introduced to New South Wales, Mauritius and Florida. These passerine birds feed on fruit, nectar and insects. The loud and evocative call is a sharp kink-a-joo, and the song is a scolding chatter.

Photo credit: Shiva shankar

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October 23
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Takakkaw Falls

Takakkaw Falls is a group of three waterfalls located in Yoho National Park, near Field, British Columbia, in Canada. Its highest point is 309 m (1016 feet), making it the second-highest waterfall in Canada, after Della Falls on Vancouver Island. "Takakkaw" is pronounced TA-kuh-koh, from the Cree word for "magnificent."

Photo credit: Michael Rogers

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October 24

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October 25

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October 26

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October 27

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October 28

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October 29
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Lightning over Oradea Romania

Lightning is a powerful natural electrostatic discharge produced during a thunderstorm. Lightning's abrupt electric discharge is accompanied by the emission of visible light and other forms of electromagnetic radiation. The electric current passing through the discharge channels rapidly heats and expands the air into a plasma, producing acoustic shock waves (thunder) in the atmosphere.

Photo credit: Nelumadau

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October 30
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Bee in flight

Bees are flying insects, closely related to wasps and ants. They are adapted for feeding on nectar, and play an important role in pollinating flowering plants, and are called pollinators. Bees have a long proboscis that they use in order to obtain the nectar from flowers. They have two pairs of wings, the back pair being the smaller of the two.

Photo credit: Fir0002

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October 31

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(Today is Sunday, November 3, 2024; it is now 12:23 UTC)