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The origin of gravitation zheng sheng ming by zhengshengming on June 2nd, 2009, 2:18 am
The origin of gravitation
zheng sheng ming

Abstract

In the natural world, people have discovered four kinds of forces: the electromagnetic force, the gravitation, the weak force, and the strong force.Although the gravitation has been discovered more than three hundred years, its mechanism of origin is unclear until today. While investigating the origin of gravitation, I discovered that the moving photons produce gravitation. This discovery reveals the origin of gravitation. Meanwhile my discovery indicated that light interference fringes are produced by the gravitation which is created by moving photons. In other words, my discovery demonstrated that light is a particle, but is not a wave-particle duality. Furthermore, application of this discovery to other moving particles appears a similar effect. All these show the origin of gravitation and reveal the essence of matter wave.Along this way,I also unify the gravitation and electromagnetic...

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The Greatest Speech Ever Made by Sisyphus on October 7th, 2011, 7:29 pm
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Of Castles, Solars and Green Rooms by toucana on April 4th, 2017, 8:04 am
Of Castles, Solars and Green Rooms


Not long ago I found myself spending a few days of holiday down near Southend on the Essex coast. One afternoon we climbed up the hill to visit the ruins of Hadleigh castle which stands overlooking the railway line and the Medway marshes of the Thames estuary. Built in 1215 by Hubert de Burgh in the reign of King Henry III, the castle was substantially rebuilt a century later by Edward III as part of the Medway defences against the French during the Hundred Years War. Edward III in fact made it his principal residence outside of London for much of his reign.

Little remains of Hadleigh castle today. It was built on an unstable outcrop of London clay and developed an unfortunate habit of collapsing at unexpected moments. Large quantities of the fallen stonework were sold and carted off in the Tudor period, you can still see the tiled hearth where the wreckers melted down the valuable window leads. John Constable painted an atmospheric...

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Deforestation by shinne on April 22nd, 2014, 10:49 am
Deforestation has a big effect on global warming. Since trees absorb greenhouse gases and carbon emissions, deforestation is considered to be a big contributing factor to global climate changes. Trees not only produce oxygen, but they keep greenhouse gasses from entering the atmosphere. When an area is deforested, trees also become a carbon source when they are burned and cut. Once these trees are removed and the carbon dioxide is in the atmosphere, the carbon dioxide acts as a barrio for heat that would normally be released into space. Because of this, temperature across the world rise and it can change rainfall patterns, ice cover, and sea levels.
One thing I found to be interesting about deforestation was the effects it has on animals and plants. With rainforest covering about 7 percent of the world’s surface, about half of all plant and animal species on earth are found there. Rainforest, being the biggest victim of deforestation, are not being preserved like they should be. Species a...

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Human Diaphragm by nofools on January 11th, 2012, 3:52 pm
Diaphragm is composed of skeletal muscles and reaches the lower-most part of the rib cage. Diaphragm is the structure that separates the abdominal and thoracic cavities that is made up of the heart, ribs, and lungs and is also responsible for the respiratory operations.

Your diaphragm may be divided into three parts: the sternal, costal, and lumbar parts. The sternal part of the diaphragm consists of the two muscular slips from the xiphoid process' back. Conversely, the costal part integrates with the transverse muscle of abdomen. It comprises of the cartilages and nearby parts of the six ribs located at the thoracic cavity. Lastly, the lumbar section of the diaphragm consists of lumbocostal arches and the crura. The diaphragm also has various openings in it to allow the passage of some other parts of the body between the thorax and the abdomen. There are three major openings within the diaphragm. These are the aortic, oesophageal, and inferior vena caval.

The diaphragm is an important...

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