Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. Diamond as a form of carbon is a tasteless, odourless, strong, brittle solid, colourless in pure form, a poor conductor of electricity, and insoluble in water. Another solid form of carbon known as graphite is the chemically stable form of carbon at room temperature and pressure, but diamond is metastable and converts to it at a negligible rate under those conditions. Diamond has the highest hardness and thermal conductivity of any natural material, properties that are used in major industrial applications such as cutting and polishing tools. They are also the reason that diamond anvil cells can subject materials to pressures found deep in the Earth.
Because the arrangement of atoms in diamond is extremely rigid, few types of impurity can contaminate it (two exceptions are boron and nitrogen). Small numbers of defects or impurities (about one per million of lattice atoms) can color a diamond blue (boron), yellow (nitrogen), brown (defects), green (radiation exposure), purple, pink, orange, or red. Diamond also has a very high refractive index and a relatively high optical dispersion. (Full article...)
Named for the siege of Sevastopol during the Crimean War, the ship was commissioned into the First Pacific Squadron of the Russian Pacific Fleet and was stationed at Port Arthur (today Lüshunkou District, Dalian, Liaoning, China), a Russian naval base acquired from China in 1898 as part of the Kwantung Leased Territory. One of the first ships to use Harvey nickel-steel armor and Popov radios, she displaced 11,854 long tons (12,044 t) at full load and was 369 feet (112.5 m) long overall, and mounted a main battery of four 12-inch (305 mm) guns in two twin turrets. She was laid down in May 1892, launched on 1 June 1895 and completed in 1899. Her sea trials lasted until 1900. (Full article...)
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Lenin in 1920
Vladimir Ilyich Ulyanov (22 April [O.S. 10 April] 1870 – 21 January 1924), better known as Vladimir Lenin, was a Russian revolutionary, politician and political theorist. He served as the first and founding head of government of Soviet Russia from 1917 until his death in 1924, and of the Soviet Union from 1922 to 1924. Under his administration, Russia, and later the Soviet Union, became a one-party socialist state governed by the Communist Party. Ideologically a Marxist, his developments to the ideology are called Leninism.
The terrain complicated battle tactics for both sides, but the Russians and the Austrians, having arrived in the area first, were able to overcome many of its difficulties by strengthening a causeway between two small ponds. They had also devised a solution to Frederick's deadly modus operandi, the oblique order. Although Frederick's troops initially gained the upper hand in the battle, his limited scouting, combined with the strong defensive preparations of the Allied troops, gave the Russians and Austrians an advantage. By afternoon, when the combatants were exhausted, fresh Austrian troops thrown into the fray secured the Allied victory. (Full article...)
Tsereteli was born and raised in Georgia when it was part of the Russian Empire. A member of the Menshevik faction of the RSDLP, Tsereteli was elected to the Duma in 1907, where he gained fame for his oratory abilities. Shortly after entering the Duma, Tsereteli was arrested and charged with conspiracy to overthrow the Tsarist government, and exiled to Siberia. A dedicated Social Democrat who believed in the Menshevik ideology, Tsereteli was one of the leading figures of the movement in Russia. In 1915, during his Siberian exile, Tsereteli formed what would become known as Siberian Zimmerwaldism, which advocated for the role of the Second International in ending the war. He also developed the idea of "Revolutionary Defensism", the concept of a defensive war which only allowed for the defence of territory, and argued it was not being utilized. (Full article...)
Dubnium does not occur naturally on Earth and is produced artificially. The Soviet Joint Institute for Nuclear Research (JINR) claimed the first discovery of the element in 1968, followed by the American Lawrence Berkeley Laboratory in 1970. Both teams proposed their names for the new element and used them without formal approval. The long-standing dispute was resolved in 1993 by an official investigation of the discovery claims by the Transfermium Working Group, formed by the International Union of Pure and Applied Chemistry and the International Union of Pure and Applied Physics, resulting in credit for the discovery being officially shared between both teams. The element was formally named dubnium in 1997 after the town of Dubna, the site of the JINR. (Full article...)
In the early days of sound cinema, among the various distinguished composers ready to try their hand at film music, Prokofiev was not an obvious choice for the commission. Based in Paris for almost a decade, he had a reputation for experimentation and dissonance, characteristics at odds with the cultural norms of the Soviet Union. By early 1933, however, Prokofiev was anxious to return to his homeland, and saw the film commission as an opportunity to write music in a more popular and accessible style. (Full article...)
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The official arrangement of the Russian national anthem, completed in 2001
Russia, led by Catherine the Great, was pressing the Ottomans in Europe. Ali took advantage of the Empire's preoccupation with Russia to declare Egypt's independence; in 1771 he sent an army led by Muhammad Bey Abu al-Dhahab to occupy Ottoman territory in the Levant. Abu al-Dhahab unexpectedly returned to challenge Ali for control of Egypt. Ali requested Russian military assistance against both his rival and the Ottomans. When this aid, in the form of a small Russian squadron, arrived in the region, Ali had already fled Egypt and taken refuge in Acre, the power base of his ally, Zahir al-Umar. After helping repel an Ottoman offensive on Sidon, the Russian squadron sailed for Beirut. They bombarded the town in June 1772 and occupied it from June23 to 28. (Full article...)
Euler is held to be one of the greatest, most prolific mathematicians in history and the greatest of the 18th century. Several great mathematicians who produced their work after Euler's death have recognised his importance in the field as shown by quotes attributed to many of them: Pierre-Simon Laplace expressed Euler's influence on mathematics by stating, "Read Euler, read Euler, he is the master of us all." Carl Friedrich Gauss wrote: "The study of Euler's works will remain the best school for the different fields of mathematics, and nothing else can replace it." His 866 publications as well as his correspondences are being collected in the Opera Omnia Leonhard Euler which, when completed, will consist of 81 quartos. He spent most of his adult life in Saint Petersburg, Russia, and in Berlin, then the capital of Prussia. (Full article...)
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Oganesson is a synthetic chemical element; it has symbolOg and atomic number 118. It was first synthesized in 2002 at the Joint Institute for Nuclear Research (JINR) in Dubna, near Moscow, Russia, by a joint team of Russian and American scientists. In December 2015, it was recognized as one of four new elements by the Joint Working Party of the international scientific bodies IUPAC and IUPAP. It was formally named on 28 November 2016. The name honors the nuclear physicist Yuri Oganessian, who played a leading role in the discovery of the heaviest elements in the periodic table. It is one of only two elements named after a person who was alive at the time of naming, the other being seaborgium, and the only element whose eponym is alive as of 2024[update].
Oganesson has the highest atomic number and highest atomic mass of all known elements as of 2024[update]. On the periodic table of the elements it is a p-block element, a member of group 18 and the last member of period 7. Its only known isotope, oganesson-294, is highly radioactive, with a half-life of 0.7 ms and, as of 2020,[update] only five atoms have been successfully produced. This has so far prevented any experimental studies of its chemistry. Because of relativistic effects, theoretical studies predict that it would be a solid at room temperature, and significantly reactive, unlike the other members of group 18 (the noble gases). (Full article...)
The Rite of Spring (French: Le Sacre du printemps) is a ballet and orchestral concert work by the Russian composer Igor Stravinsky. It was written for the 1913 Paris season of Sergei Diaghilev's Ballets Russes company; the original choreography was by Vaslav Nijinsky with stage designs and costumes by Nicholas Roerich. When first performed at the Théâtre des Champs-Élysées on 29 May 1913, the avant-garde nature of the music and choreography caused a sensation. Many have called the first-night reaction a "riot" or "near-riot", though this wording did not come about until reviews of later performances in 1924, over a decade later. Although designed as a work for the stage, with specific passages accompanying characters and action, the music achieved equal if not greater recognition as a concert piece and is widely considered to be one of the most influential musical works of the 20th century.
Stravinsky was a young, virtually unknown composer when Diaghilev recruited him to create works for the Ballets Russes. Le Sacre du printemps was the third such major project, after the acclaimed Firebird (1910) and Petrushka (1911). The concept behind The Rite of Spring, developed by Roerich from Stravinsky's outline idea, is suggested by its subtitle, "Pictures of Pagan Russia in Two Parts"; the scenario depicts various primitive rituals celebrating the advent of spring, after which a young girl is chosen as a sacrificial victim and dances herself to death. After a mixed critical reception for its original run and a short London tour, the ballet was not performed again until the 1920s, when a version choreographed by Léonide Massine replaced Nijinsky's original, which saw only eight performances. Massine's was the forerunner of many innovative productions directed by the world's leading choreographers, gaining the work worldwide acceptance. In the 1980s, Nijinsky's original choreography, long believed lost, was reconstructed by the Joffrey Ballet in Los Angeles. (Full article...)
Due to the length of the front lines created by the German 1942 summer offensive, which had aimed at taking the Caucasus oil fields and the city of Stalingrad, German and other Axis forces were over-extended. The German decision to transfer several mechanized divisions from the Soviet Union to Western Europe exacerbated their situation. Furthermore, Axis units in the area were depleted by months of fighting, especially those which had taken part in the struggle for Stalingrad. The Germans could only count on the XXXXVIII Panzer Corps, which had the strength of a single panzer division, and the 29th Panzergrenadier Division as reserves to bolster their Romanian allies guarding the German Sixth Army's flanks. These Romanian armies lacked the heavy equipment to deal with Soviet armor. In contrast, the Red Army deployed over one million personnel for the offensive. Soviet troop movements were not without problems: concealing their build-up proved difficult, and Soviet units commonly arrived late due to logistical issues. Operation Uranus was first postponed by the Soviet high command (Stavka) from 8 to 17 November, then to 19 November. (Full article...)
Although James Clerk Maxwell made the first color photograph in 1861, the results were far from realistic until Prokudin-Gorsky perfected the technique with a series of improvements around 1905. His process used a camera that took a series of monochrome pictures in rapid sequence, each through a different colored filter. Prokudin-Gorskii then went on to document much of the country of Russia, travelling by train in a specially equipped darkroomrailroad car.
Barge Haulers on the Volga is an oil painting on canvas completed between 1870 and 1873 by the realist artist Ilya Repin. It depicts eleven men physically dragging a barge on the banks of the Volga River. Depicting these men as at the point of collapse, the work has been read as a condemnation of profit from inhumane labor. Barge Haulers on the Volga drew international praise for its realistic portrayal of the hardships of working men, and launched Repin's career. It has been described as "perhaps the most famous painting of the Peredvizhniki movement [for]....its unflinching portrayal of backbreaking labor". Today, the painting hangs in the Russian Museum in Saint Petersburg.
A map detailing the events of the 2008 South Ossetia war, which began one year ago today, when Georgia launched an operation in the disputed region of South Ossetia. Ossetian, Russian, and Abkhazian forces ejected the Georgian forces after five days of heavy fighting. All parties reached a ceasefire agreement on August 12, and Russian troops remain stationed in Abkhazia and South Ossetia to this day.
The current main building of the Moscow State University in Sparrow Hills, Moscow, Russia. Designed by Lev Rudnev and completed by 1953, the 240-metre (790 ft) tall structure was the tallest building in Europe until the completion of the Messeturm in 1990.
A late nineteenth-century photochrom of a reindeer sled, Arkhangelsk, Russia. Reindeer have been herded for centuries by several Arctic and Subarctic people including the Sami and the Nenets. They are raised for their meat, hides, antlers and, to a lesser extent, for milk and transportation.
Gorky Park is a park in central Moscow, Russia, inaugurated in 1928 following the use of the site in 1923 for the First All-Russian Agricultural and Handicraft Industries Exhibition. The park was named after the writer and political activist Maxim Gorky. It underwent a major reconstruction in 2011; nearly all the amusement rides and other attractions were removed, extensive lawns and flower beds were created, and new roadways were laid. A 15,000 m2 (160,000 sq ft) ice rink was installed at the same time. This picture shows the colonnaded main portal of Gorky Park.
A female Siberian tiger (Panthera tigris altaica), a subspecies of tiger native to Central Asia, and her cub. The Siberian tiger is the largest of the extant tiger subspecies as well as the largest felid, attaining 320 kg (710 lb) in an exceptional specimen. Considered an endangered subspecies, the wild population is down to several hundred individuals and is limited to eastern Siberia.
This photograph of Skudina, taken in 2009, is part of a collection of 500 images of Russian sportspeople released to Wikimedia Commons by Bolshoi Sport.
This photo of the Nilov Monastery on Stolobny Island in Tver Oblast, Russia, was taken by Sergey Prokudin-Gorsky in 1910 before the advent of colour photography. His process used a camera that took a series of monochrome pictures in rapid sequence, each through a different coloured filter. By projecting all three monochrome pictures using correctly coloured light, it was possible to reconstruct the original colour scene.
Hotel Astoria is a five-star hotel located on Saint Isaac's Square in Saint Petersburg. Commissioned in 1910 by the Palace Hotel Company to host visitors to the Romanov tercentenary, the hotel was designed by Fyodor Lidval and first opened in 1912. After the October Revolution, it continued to be used as a state-operated hotel, though during World War II it was also a field hospital. The hotel, now owned by Rocco Forte Hotels, has been renovated several times, most recently in 2012.
Kikin Hall, commissioned by Alexander Kikin in 1714, is one of the oldest buildings in Saint Petersburg. Incomplete at the time of Kikin's execution, the building was seized by the Russian crown and used for a variety of purposes. In the 1950s, Irina Benois arranged for the restoration of the dilapidated building. It is now home to a music school.
Maslenitsa, a 1919 painting depicting the carnival of the same name, which takes place the last week before Great Lent. The painting encompasses a broad range of things associated with Russia, such as snowy winter weather, a troika, an Orthodox church with onion domes. Painted in the aftermath of the October Revolution, the canvas was intended as a farewell to the unspoilt "Holy Russia" of yore.
An aerial view of the Field of Mars, a large park in central Saint Petersburg, Russia, pictured in 2016. It is named after Mars, the Roman god of war. The park's history goes back to the 18th century, when it was converted from bogland and named the Grand Meadow. Later, it was the setting for celebrations to mark Russia's victory over Sweden in the Great Northern War. Its next name, the Tsaritsyn Meadow, appears after the royal family commissioned Francesco Bartolomeo Rastrelli to build the Summer Palace for Empress Elizabeth. It became the Field of Mars during the reign of Paul I. Towards the end of the 18th century, the park became a military drill ground, where they erected monuments commemorating the victories of the Russian Army and where parades and military exercises took place regularly. After the February Revolution in 1917, the Field of Mars became a memorial area for the revolution's honoured dead. In the summer of 1942, as the city was besieged by the German army in the Siege of Leningrad, the park was covered with vegetable gardens to supply food. An eternal flame was lit in the centre of the park in 1957, in memory of the victims of various wars and revolutions.
Leo Tolstoy (1828–1910) was a Russian writer who is regarded as one of the world's greatest novelists. He is best known for War and Peace (1869) and Anna Karenina (1877), often cited as pinnacles of realist fiction. Born to an aristocratic family on 9 September [O.S. 28 August] 1828, Tolstoy was orphaned when he was young. He studied at Kazan University, but this was not a success, and he left university without completing his degree. During this time, he began to write and published his first novel, Childhood, in 1852. Tolstoy later served at the Siege of Sevastopol during the Crimean War, and was appalled by the number of deaths and left at the conclusion of the war. He spent the remainder of his life writing whilst also marrying and starting a family. In the 1870s he converted to a form of fervent Christian anarchism.
... that Russian IndologistGerasim Lebedev was the founder of the first European-style drama theatre in India and also the first printing house in Europe equipped with Indic scripts of Bengali and Devanagari?
Paskha (also spelled pascha, or pasha; Russian: па́сха; [ˈpasxə]; "Easter") is a Slavic festive dish made in Eastern Orthodox countries which consists of food that is forbidden during the fast of Great Lent. It is made during Holy Week and then brought to Church on Great Saturday to be blessed after the Paschal Vigil. The name of the dish comes from Pascha, the Eastern Orthodox celebration of Easter. Besides Russia, Ukraine, etc. Pasha is also often served in Finland.
Cheese paskha is a traditional Easter dish made from tvorog (like cottage cheese, Russian: творог, romanized: tvorog), which is white, symbolizing the purity of Christ, the Paschal Lamb, and the joy of the Resurrection. It is formed in a mold, traditionally in the shape of a truncated pyramid which symbolizes the first Passover in Egypt, a nod to Christianity's early Jewish beginnings and a reminder that the Last Supper of Jesus was a Passover Seder. Others believe the pyramid is a symbol of the Trinity, the Church; Tomb of Christ). It is usually served as an accompaniment to rich Easter breads called paska in Ukraine and kulich in Russia (where the "paskha" name is also used in the Southern regions) and Poland “Pascha”. The Easter foods; bread and cheese paska are very rich and made of many dairy items given up during Great Lent. They are brought to church on Easter to be blessed by the priest. (Full article...)
Vladimir Ilyich Ulyanov (22 April [O.S. 10 April] 1870 – 21 January 1924), better known as Vladimir Lenin, was a Russian revolutionary, politician and political theorist. He served as the first and founding head of government of Soviet Russia from 1917 until his death in 1924, and of the Soviet Union from 1922 to 1924. Under his administration, Russia, and later the Soviet Union, became a one-party socialist state governed by the Communist Party. Ideologically a Marxist, his developments to the ideology are called Leninism.
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