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Razones para beber agua de rosas Alfredo Leon 49 Views • 6 years ago

¿Por qué quieres beber agua de rosas? Además del bonito nombre, tiene algunos beneficios sorprendentes. Pero primero, un poco de historia.

El agua de rosas proviene del Rosa damasceno, una especie de la planta Rosaceae, una planta ornamental muy conocida que se llama el rey de las flores. El extracto de la rosa de damasco no es solo para perfumar. La planta contiene varios componentes como Terpenos, glucósidos, flavonoides y antocianinas que tienen efectos beneficiosos para la salud.

El agua de rosas se dispersó tradicionalmente en las bodas para garantizar un matrimonio feliz y como símbolo de amor y pureza utilizado en la meditación y la oración.

Cultivados en Irán con más de 18 mil cultivares, los iraníes llaman a la planta la "flor del profeta Mahoma" porque creen que el olor les recuerda a él.

Rosa damascene se usa para agua de rosas y aceite esencial de rosas. Se cree que tiene numerosos beneficios medicinales y se ha utilizado como analgésico, broncodilatador, anticonvulsivo, antimicrobiano y antiinflamatorio.

También se ha utilizado como jarabe para la tos, para tratar el reflujo, como laxante y para reducir el azúcar en la sangre. Se dice que el aceite trata la depresión, el dolor y el estrés. También puede tener beneficios para la curación de heridas, alergias, afecciones de la piel y dolores de cabeza.

Si bien los estudios clínicos son neutrales, el agua de rosas se ha utilizado durante siglos desde la época de Cleopatra. Debido a que el agua es calmante, rociar la cara con agua de rosas o usarlo durante los tratamientos faciales es bastante popular.

"El agua de rosas también contiene varias vitaminas: A, C, E, B, y es especialmente excelente para la depresión y para las personas con dolor de garganta".

"A veces, hacer gárgaras o sostener agua de rosas en la parte posterior de la boca ayudará a los dolores de garganta inflamados", Digestirlo bebiendo té de agua de rosas también es hidratante y refrescante.

Muchas culturas hoy en día todavía usan alimentos y bebidas con agua de rosas para calmar y enfriar a un niño malhumorado o a alguien incómodo con el calor del verano.

Puedes hacer agua de rosas en casa almacenando pétalos de rosas en un frasco lleno de agua destilada y remojándolas al sol durante 2 días. Para preparar té de agua de rosas, remoje un puñado de pétalos de rosa en agua hirviendo durante 10 minutos y cuele. Los pétalos rosados y rojos son el té más fragante. También puede comprar agua de rosas preparada comercialmente y Beber hasta dos tazas al día.
https://www.livescience.com

History of Sculpture tonsamith 49 Views • 4 years ago

What Are Sculptures?
Sculptures are three-dimensional works of art made from materials like stone, metal, ceramics, and wood. Sculptors use a variety of methods to construct works of art, including carving, constructing, modeling, and casting.

A Brief History of Western Sculpture
The history of sculpture traces back to the dawn of civilization.

Prehistoric sculptures (40,000—4,000 BCE): Prehistoric sculptures ranged from stone carvings to bronze castings. Other prehistoric sculptures were carved out of clay, bone, wood, and stone. One of the oldest known sculptures is Lion-man of the Hohlenstein-Stadel, a figurine carved from mammoth ivory found in Germany.
Ancient sculptures (4,000 BCE—400 CE): Ancient sculptures include large ancient Egyptian statues like the Great Sphinx of Giza and sunken relief sculptures carved into stone—many of which featured Egyptian gods. Art historians delineate ancient Greek sculptures into three periods: Archaic, Classical, and Hellenistic. As ancient Greece developed through the centuries, Greek sculptures transformed from early rigid works to extremely sophisticated artworks.
Medieval sculptures (400—1400s): After the fall of the Roman empire, sculptors across Europe created predominantly religious artworks. During the Dark Ages, the Catholic Church gained power and influence, commissioning sculptures featuring Christian iconography. Near the end of the Medieval period, the Gothic style became popular with Italian artists like Giotto and Duccio, who created Gothic sculptures for cathedrals and abbeys.
Renaissance sculptures (1400–1600s): During the Renaissance in Europe, sculptors created classical works made from bronze and marble. The most well-known sculptor of this period is Michelangelo, whose marble sculptures changed the course of art history. His iconic freestanding sculpture David (1501–1504) still stands in Florence today. Another of his marble sculptures, Pietà (1498–1499), depicts the Virgin Mary holding the body of Jesus.
Baroque, Rococo, and Romantic sculptures (1600–1850s): During these periods, sculptures became even more ornate, elegant, and often erotic. The subject matter of these sculptures moved away from the religious and toward the individual, characterized by artworks like Claude Michel’s terracotta sculpture The Intoxication of Wine (1780–1790).
Modern and contemporary sculptures (1860s to present day): Modern art sculptures encompass a wide range of art movements, including Cubism, Russian Constructivism, Dadaism, and more. Artists like Alexander Calder developed kinetic sculptures that move. Throughout his career, Pablo Picasso made experimental sculptures out of a wide range of materials, including cardboard, clay, and found objects.

Article by: Jeff Koons
Source: Masterclass.com
Created by: Ton Samith

___________ Educational Tutorials _____________

Camvito168 is a WordPress educational tutorial expertise that is dedicated to providing exceptional videos for free.

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Welcome to Camvito 168. I am Samith Ton, the channel owner, who created this channel to share what the technology can connect us to the world.

Technology affects almost every aspect of 21st century life, from transport efficiency and safety, to access to food and healthcare, socialization and productivity. The power of the internet has enabled global communities to form ideas and resources to be shared more easily.

In this channel, videos would be posted every two days at 5:00 AM. It is believed that the technology can enable us to learn and share what matters to the 21st century life. You will learn how the technology can create interactive innovations and modern tools to ease people's communication.

Camvito 168 presents you with the following technology ideas:
1. Web Technology
2. Transportation Technology
3. Natural Rare Material Technology
4. Telecommunication Technology
5. Social Media Technology
6. Computer Technology

Visit www.camvito.com to learn more about the WordPress technical solutions.

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Producer: Ton Samith
Editor: Ton Samith
Channel: Camvito 168
FB Page: Camvito168
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Tech 06. How Is Gold Formed? Origins and Process tonsamith 49 Views • 4 years ago

How Is Gold Formed? Origins and Process

Gold is a chemical element easily recognized by its yellow metallic color. It is valuable because of its rarity, resistance to corrosion, electrical conductivity, malleability, ductility, and beauty. If you ask people where gold comes from, most will say you obtain it from a mine, pan for flakes in a stream, or extract it from seawater. However, the true origin of the element predates the formation of the Earth.

Key Takeaways: How Is Gold Formed?
Scientists believe all the gold on Earth formed in supernovae and neutron star collisions that occurred before the solar system formed. In these events, gold formed during the r-process.
Gold sank to the Earth's core during the planet's formation. It's only accessible today because of asteroid bombardment.
Theoretically, it's possible to form gold by the nuclear processes of fusion, fission, and radioactive decay. It's easiest for scientists to transmute gold by bombarding the heavier element mercury and producing gold via decay.
Gold cannot be produced via chemistry or alchemy. Chemical reactions cannot change the number of protons within an atom. The proton number or atomic number defines an element's identity.

Natural Gold Formation
While nuclear fusion within the Sun makes many elements, the Sun cannot synthesize gold. The considerable energy required to make gold only occurs when stars explode in a supernova or when neutron stars collide. Under these extreme conditions, heavy elements form via the rapid neutron-capture process or r-process.

Where Does Gold Occur?
All of the gold found on Earth came from the debris of dead stars. As the Earth formed, heavy elements such as iron and gold sank toward the planet's core. If no other event had occurred, there would be no gold in the Earth's crust. But, around 4 billion years ago, Earth was bombarded by asteroid impacts. These impacts stirred the deeper layers of the planet and forced some gold into the mantle and crust.

Some gold may be found in rock ores. It make occur as flakes, as the pure native element, and with silver in the natural alloy electrum. Erosion frees the gold from other minerals. Since gold is heavy, it sinks and accumulates in stream beds, alluvial deposits, and the ocean.

Earthquakes play an important role, as a shifting fault rapidly decompresses mineral-rich water. When the water vaporizes, veins of quartz and gold deposit onto rock surfaces. A similar process occurs within volcanoes.

How Much Gold Is in the World?
The amount of gold extracted from the Earth is a tiny fraction of its total mass. In 2016, the United States Geological Survey (USGS) estimated 5,726,000,000 troy ounces or 196,320 U.S. tons had been produced since the dawn of civilization. About 85% of this gold remains in circulation. Because gold is so dense (19.32 grams per cubic centimeter), it does not take up much space for its mass. In fact, if you melted all the gold mined to date, you'd wind up with a cube about 60 feet across!

Nevertheless, gold accounts for a few parts per billion of the mass of the Earth's crust. While it's not economically feasible to extract much gold, there are about 1 million tons of gold in the top kilometer of the Earth's surface. The abundance of gold in the mantle and core is unknown, but it greatly exceeds the amount in the crust.

Synthesizing the Element Gold
Attempts by alchemists to turn lead (or other elements) into gold were unsuccessful because no chemical reaction can change one element into another. Chemical reactions involve a transfer of electrons between elements, which may produce different ions of an element, but the number of protons in the nucleus of an atom is what defines its element. All atoms of gold contain 79 protons, so the atomic number of gold is 79.

Making gold isn't as simple as directly adding or subtracting protons from other elements. The most common method of changing one element into another (transmutation) is to add neutrons to another element. Neutrons change the isotope of an element, potentially making the atoms unstable enough to break apart via radioactive decay.

Article by: Anne Marie Helmenstine, Ph.D.
Source: thoughtco.com
Created by: Ton Samith

We created this tutorial for the educational purpose of learning how gold is formed.

___________ Educational Tutorials _____________

Camvito168 is a WordPress educational tutorial expertise that is dedicated to providing exceptional videos for free.

Visit www.camvito.com to learn more about the WordPress technical solutions.

_____________Disclaimer__________________
Producer: Ton Samith
Editor: Ton Samith
Channel: Camvito 168
FB Page: Camvito168
Video editor: Movavi Video Editor Plus
Sound/Music: YouTube Library
Thumbnail: Canva Pro
Photo: Freepik Premium

Investir en Bourse : Il gagne 1 milliards de $ durant la baisse du Pétrole ! 124db7295 49 Views • 6 years ago

Investir en Bourse : Il gagne 1 milliards de $ durant la baisse du Pétrole !
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