Snowball II
A snowball is a sphere, spherical object made from snow, usually created by scooping snow with the hands, and pressing the snow together to compact it into a ball. Snowballs are often used in games such as snowball fights. A snowball may also be a large ball of snow formed by rolling a smaller snowball on a snow-covered surface. The smaller snowball grows by picking up additional snow as it rolls. The terms "snowball effect" and "snowballing" are derived from this process. The Welsh dance "Nantgarw tradition, Y Gasseg Eira" also takes its name from an analogy with rolling a large snowball. This method of forming a large snowball is often used to create the sections needed to build a snowman. The underlying physical process that makes snowballs possible is sintering, in which a solid mass is compacted while near the melting point. Scientific theories about snowball formation began with a lecture by Michael Faraday in 1842, examining the attractive forces between ice particles. An ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Electrostatic Attraction
Coulomb's inverse-square law, or simply Coulomb's law, is an experimental law of physics that quantifies the amount of force between two stationary, electrically charged particles. The electric force between charged bodies at rest is conventionally called ''electrostatic force'' or Coulomb force. Although the law was known earlier, it was first published in 1785 by French physicist Charles-Augustin de Coulomb, hence the name. Coulomb's law was essential to the development of the theory of electromagnetism, maybe even its starting point, as it made it possible to discuss the quantity of electric charge in a meaningful way. The law states that the magnitude of the electrostatic force of attraction or repulsion between two point charges is directly proportional to the product of the magnitudes of charges and inversely proportional to the square of the distance between them. Coulomb studied the repulsive force between bodies having electrical charges of the same sign: Coulomb also ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Ambrogio Lorenzetti 010
Ambrogio is a given name, and may refer to: *Saint Ambrogio Ambrose of Milan ( la, Aurelius Ambrosius; ), venerated as Saint Ambrose, ; lmo, Sant Ambroeus . was a theologian and statesman who served as Bishop of Milan from 374 to 397. He expressed himself prominently as a public figure, fiercely promot ... (Ambrose), patron saint of Milan *Ambrogio Lorenzetti ( – 1348), painter *Ambrogio Damiano Achille Ratti, the birth name of Pope Pius XI *Ambrogio Bergognone, Renaissance painter *Ambrogio Spinola, 1st Marquis of the Balbases, general *Ambrogio Morelli, bicycle racer *Ambrogio Foppa, goldsmith *Ambrogio Calepino, lexicographer *Ambrogio Besozzi, Baroque painter *Ambrogio Casati, modern painter *Ambrogio Fogar, rally driver *Ambrogio Levati, gymnast *Ambrogio Minoja, classical composer *Ambrogio Frangiolli, architect See also * Ambrogio is also a British brand of robotic lawn mower * Sant'Ambrogio (other) {{given name ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Barbara Sleigh
Barbara Grace de Riemer Sleigh (1906–1982) was an English children's writer and broadcaster. She is remembered most for her Carbonel series about a king of cats. Family and career Barbara Sleigh was born on 9 January 1906 in Birmingham, the daughter of an artist, Bernard Sleigh, and his wife Stella, née Phillp, who had married in 1901. Both parents came from a Methodist background, but she was brought up an Anglican. The family moved to Chesham for a time, then back to Birmingham. Their marriage broke up in about 1914. Her older brother, Brocas Linwood Sleigh (1902–1965), would also become a writer. Having attended art college and teachers' training college, Sleigh taught in various schools before joining the teacher training department at Goldsmiths College in London in 1929. She went to work for the BBC programme ''Children's Hour'' in 1932. There, in 1935, she married a colleague, David Davis (1908–1996) at Dunchurch, Warwickshire, but BBC house rules at the time would ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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The Snowball (children's Novel)
''The Snowball'' (first published 1969) is a domestic fantasy novel for children by the English writer Barbara Sleigh Barbara Grace de Riemer Sleigh (1906–1982) was an English children's writer and broadcaster. She is remembered most for her Carbonel series about a king of cats. Family and career Barbara Sleigh was born on 9 January 1906 in Birmingham, the d ... (1906–1982), who is best known for her Carbonel series. The two main human characters are Tom Tickle, aged eight, and his sister Tilda, aged six. The story The story is set in a small house on the edge of a small English country town. The children are on a loose rein, as their mother is soon called away to nurse some relations of theirs through a bout of measles, leaving them with their preoccupied father, a schoolmaster who is busy writing a book (p. 10). Snow starts to fall almost immediately after Mrs Tickle leaves. The children spend the day making a snowman – Tom's work – and a snow-woman – Tilda's wo ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Denivation
Niveo-aeolian or cryo-aeolian deposition is the process by which fine-grained sediments are transported by wind and deposited on or mixed with snow or ice. The wind sweeps the snow and sand grains into aeolian landforms such as ripples, and further sorts the snow and ice grains into distinct layers. When snow melts or sublimates, the sediments are redeposited onto the surface below., forming patterns known as denivation features. Niveo-aeolian deposition is most widespread in polar climates, but may be found anywhere that is at least seasonally below freezing. In most places, much or all of the snow in these niveo-aeolian deposits melts in the spring or summer. However, "perennial" niveo-aeolian deposits have been observed in Antarctica's Victoria Valley. Initially, after the wind has deposited it, the surface of a niveo-aeolian deposit typically consists of a rippled bedform of mixed sand and snow. Beneath the surface, the deposits commonly consist of alternating layers of s ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Vice Media
Vice Media Group LLC is an American-Canadian digital media and broadcasting company. , the Vice Media Group included five main business areas: VICE.com (digital content); VICE STUDIOS (film and TV production) VICE TV (also known as VICELAND); VICE News; and VIRTUE (an agency offering creative services). It was cited as the largest independent youth media company in the world, with 35 offices. Developing from ''Vice'' magazine, originally based in Montreal and co-founded by Suroosh Alvi, Shane Smith, and Gavin McInnes, Vice expanded primarily into youth and young adult–focused digital media. This included online content verticals and related web series, the news division Vice News, a film production studio, and a record label among other properties. Vice re-located to New York City in 2001. Vice Media originally broadcast their news programs on HBO, which broadcast the Emmy-winning weekly documentary series ''Vice'', which premiered in April 2013. ''Vice'' features segment ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Ball Ice
Ice eggs, or ice balls, are a rare phenomenon caused by a process in which small pieces of sea ice in open water are rolled over by wind and currents in freezing conditions and grow into spheroid pieces of ice. They may collect into heaps of balls or 'eggs' on beaches. The gentle churn of water, blown by a suitably stiff breeze makes concentric layers of ice form on a seed particle that then grows into the floating ball as it rolls through the freezing currents. Given enough time, the frozen balls can grow to become boulder size. In 2016, giant snowballs washed up on a beach in Siberia, some measuring a metre (about 3 feet) across. An ice specialist from the Finnish Meteorological Institute has been quoted as saying ice balls are rare but not unprecedented, and occur about once a year on the Finnish coastline as conditions allow. They also appear on the American Great Lakes where they are called Ice balls. See also * Yukimarimo - Wind blown balls of fine frost accumu ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Wave Action
In fluid dynamics, a wind wave, water wave, or wind-generated water wave, is a surface wave that occurs on the free surface of bodies of water as a result from the wind blowing over the water surface. The contact distance in the direction of the wind is known as the ''fetch''. Waves in the oceans can travel thousands of kilometers before reaching land. Wind waves on Earth range in size from small ripples, to waves over high, being limited by wind speed, duration, fetch, and water depth. When directly generated and affected by local wind, a wind wave system is called a wind sea. Wind waves will travel in a great circle route after being generated – curving slightly left in the southern hemisphere and slightly right in the northern hemisphere. After moving out of the area of fetch, wind waves are called '' swells'' and can travel thousands of kilometers. A noteworthy example of this is waves generated south of Tasmania during heavy winds that will travel across the Pacif ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Yukimarimo
Yukimarimo are balls of fine frost formed at low temperatures on the Antarctic plateau during weak wind conditions. Yukimarimo were discovered in 1995 at Dome F by the 36th Japanese Antarctic Research Expedition (JARE-36) at temperatures of –59 to –72 °C. Electrostatic attraction between ice crystals explains the formation of yukimarimo at these low temperatures. Name Yukimarimo were named by T. Kameda on JARE-36 in 1995. "Yuki" means snow in Japanese, and "marimo" is a ball-like growth of water algae which the yukimarimo resemble. Formation During a storm on the Antarctic plateau, humidity rises above normal levels. After a storm, the temperature drops rapidly and, due to the excess humidity, hoarfrost forms on the surface of the snow. At these low temperatures, electrostatic attraction between the rapidly formed ice crystals is high, due to growth charging during formation. When a light wind blows after the formation of this hoarfrost, the hoarfrost breaks apart a ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |