Georg Hermann Quincke Biography

Georg Hermann Quincke

(Frankfurt am Oder, 1834-Heidelberg, 1924) German physicist.He studied at the University of Berlin, where he obtained his degree in 1865.He was an assistant professor at said University, in 1872 he was head of the University of Wurzburg and in 1875 of Heidelberg.He conducted research on the most well-known molecular phenomena, such as capillarity, flocculation, electrophoresis, and surface tension.He also investigated the phenomena of optical reflection on metal surfaces and optical interference.He built various measuring devices, such as an acoustic thermometer and a magnetic manometer.A certain device that allows the wavelength of sound waves to be measured through interference phenomena is called the Quincke tube.

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Hernando Tellez Biography

Hernando Téllez (Santafé de Bogotá, 1908-1966) Colombian writer and journalist.From a very young age, he showed his journalistic skills, as a contributor to the magazine Universidad directed by Germán Arciniegas, and as an assistant to Enrique Santos in El Tiempo . He was also deputy director of El Liberal and director of the magazine Semana .During the period between 1943 and 1944 he served as Colombian consul in Marseille and senator of the Republic, but he stood out above all for being one of the most complete writers of his time (he was a translator, commentator, short story writer, essayist and literary critic ). In his extensive essay work he dealt with issues of literature, society, politics and everyday life.Téllez was a poet of the essay, as well as profound; He was a great craftsman of the language, a teacher in a sober and effective handling of the language.He was a sensitive observer of daily life, an acute critic of the social and political life of the country...

Christopher Marlowe Biography

Christopher Marlowe (Canterbury, England, 1564-Deptford, id., 1593) English playwright and poet.The mystery that surrounds his life has given rise to numerous legends about him and his work.The most surprising is the one that attributes to him the authorship of Shakespeare's dramas: Shakespeare's appearance on the scene just after Marlowe's death, and the similarity of some verses and formal procedures, has led some to venture the hypothesis of that the death of Marlowe, supposed secret agent of the English Crown, was only a ruse to rid him of his many enemies. Christopher Marlowe Declared officially dead, Christopher Marlowe would have continued his work as a writer through the figure of a second-rate actor, who would be none other than Shakespeare.Without discussing the possible foundation of such theories, the truth is that Marlowe was the first great English playwright, although his literary career only spanned six years. Son of a shoemaker, details about his e...

The history and origin of the Earth

The planet Earth 4.5 billion years ago was a mass of clustered rocks whose core melted the planet.Over time it dried and cooled to form a crust solid and consistent.After a long cooling process, the formation of gases and the interaction with the air is the atmosphere . Index of the article Formation of the solar system The scientific studies confirm that it does around of 13.8 billion years there was a big explosion that they called Big Bang .The exorbitant force that was unleashed dispersed all the matter that was in all possible directions at speeds too exorbitant.As time went by, they moved away from the place of the explosion and slowed down.The nearby matter stayed for p roast to be what are now the galaxies . In the immediate vicinity of the limit of our galaxy is the Via Lactea. These fractions of matter were condensed in a dense cloud about 5,000 million years ago.All this matter was constituting a huge mass thanks to gravitational forces, until a sphere ...

Agustín de Zárate Biography

Agustín de Zárate (Valladolid, around 1514-Seville ?, around 1577) Spanish historian.In 1528 he was appointed secretary of the Royal Council of Castile.In 1543 he passed to Peru as a grant accountant for said region and Tierra Firme, with the task of putting in order the boxes of the Royal Treasury of that province, going there in the squad that led Viceroy Núñez Vela.Secretary of the Court, he was involved in the civil strife that ravaged the country.Before the rebellion of Gonzalo Pizarro, Agustín de Zárate sided with Viceroy Blasco Núñez Vela.Later Carlos I awarded his services with the position of governor of the Hacienda de Flandes.In his leisure he composed History of the discovery and conquest of Peru (Antwerp, 1555), which includes from the conquest of the territory to its pacification by Pedro de La Gasca. Methodical writer and good stylist, his work, not very original, enjoyed high prestige and was translated into Italian, English, French and German.Zárate shows a rema...

George dewey Biography

George Dewey (Montpelier, 1837-Washington, 1917) American admiral, famous for commanding the North American fleet that defeated the Spanish in Manila Bay.He began his military studies at the Norwich School (New Hampshire), and in 1854 he entered the Annapolis Naval Academy, where he graduated in 1858.After serving on the steam frigate USS Wabash bound for the Mediterranean fleet, in 1861 he returned to the Naval Academy to obtain the rank of lieutenant. George Dewey When the civil war broke out that same year, he was assigned to the Mississippi frigate with the mission of participating in the blockade of the coast of the Confederacy, and commanding this ship took part in the Battle of New Orleans (April 1862).In 1863 he fought under the orders of Admiral David Farragut at the Battle of Port Hudson, in which the Mississippi was destroyed.Later he was appointed commander of the Monongahela, flagship of Admiral Farragut, and of the Kearsarge, in which he served when the war ended. ...

César Oviedo linen Biography

Lino César Oviedo (Lino César Oviedo Silva; Juan de Mena, 1944) Paraguayan coup general.He completed a career in military academies in Germany.As a Paraguayan military officer, on February 3, 1989, and with the rank of colonel, his intervention was decisive in the overthrow of President Alfredo Stroessner. From this moment on, the promotions in Oviedo's military career followed one another.In May of that same year he was promoted to Brigadier General and in December 1991 to Division General.In that period of time, he served, first, as Head of the 1st Cavalry Division and, later, that of the 1st Army Corps, a position he held until the end of 1993, the year in which he became commander of the Army. He was only promoted to general in the Army when he starred in the most important political-military crisis of the democratic process in Paraguay.On April 22, 1996, and with the support of loyal commanders, he declared in absentia against President Juan Carlos Wasmosy.The military ...

Higinio Uriarte Biography

Higinio Uriarte (Asunción, 1843-1909) Paraguayan politician who reached the provisional presidency of his country between 1877 and 1878, after the death of Juan Bautista Gill.He studied in Buenos Aires and returned to Asunción at the end of the War of the Triple Alliance (1865-1870).He was a senator with Cirilo Antonio Rivarola, and later a deputy and president of the Chamber. Higinio Uriarte During the presidential period of Juan Bautista Gill (1874-1877) was elected vice president of the Republic.Higinio Uriarte acceded to the presidency in April 1877, after Gill's assassination in Asunción.In October 1877 he put down an uprising led by Cirilo Antonio Rivarola.During his tenure, US President Rutherford Hayes, arbitrator in territorial disputes after the War of the Triple Alliance, ruled that large tracts of the Chaco were Paraguayan domain. His government had to face the difficult economic and social situation in which the country had been after the War of the Triple All...

Ignacio Puig and Simón Biography

Ignacio Puig y Simón (Manresa, 1887-Barcelona, 1961) Physicist and Spanish Jesuit.In 1908 he entered the seminary of the Society of Jesus, and was ordained a priest in 1920.Since then he devoted himself to teaching theology and philosophy, activities that he combined with studies in physics and astronomy.Between 1924 and 1934 he was deputy director of the Ebro Astronomical Observatory, where he was in charge of the electrical and magnetic measurements section. In 1930 he went to Ethiopia to found an observatory in Addis Ababa, but the conflict between the Italian occupation army and the Ethiopian pro-independence activists made him give up the project.He returned to Spain in 1935, and was assigned to the Buenos Aires Observatory.He took over the management of the center and carried out research on electrical phenomena and relativity. He founded the San Miguel Observatory of Cosmic Physics, and developed a project of aerostatic ascent to the stratosphere, in which he hoped to a...

The true inventor of the phone

If you ask someone who was the inventor of the phone, most people (those who think they know) will answer Graham Bell, because that's how it appears in the history books, however, sometimes things They are not what they seem and there are times when glory takes her who does not deserve her, as in this case.If you want to know who is the true inventor of the phone , keep reading. Article index Antonio Meucci, the true inventor of the telephone Antonio Meucci was born in Florence in In 1808 and after completing his studies, he emigrated to Cuba in the 1830s in order to work with rheumatic patients. In order to reduce the pain of his patients, Meucci applied on the same small electricity discharges, thus being the means by which he discovered the transmission of sounds by electric impulses. Fascinated with his discovery, Antonio Meucci traveled to the United States in order to materialize this idea, creating a sound transmitter device, what we know today as telepho...

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