Tree Houses
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Tree Houses
A tree house, tree fort or treeshed is a platform or building constructed around, next to or among the trunk or branches of one or more mature trees while above ground level. Tree houses can be used for recreation, work space, habitation, a hangout space and observation. People occasionally connect ladders, or staircases to get up to the platforms. History Prehistoric hypotheses Building tree platforms or nests as a shelter from dangers on the ground is a habit of all the great apes, and may have been inherited by humans. It is true that evidence of prehistoric man-made tree houses have never been found by paleoanthropologists, but remains of wooden tree houses would not remain. However, evidence for cave accommodation, terrestrial man-made rock shelters, and bonfires should be possible to find if they had existed, but are scarce from earlier than 40,000 years ago. This has led to a hypothesis that archaic humans may have lived in trees until about 40,000 years ago. The ske ...
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Irian Jaya
New Guinea (; Hiri Motu: ''Niu Gini''; id, Papua, or , historically ) is the world's second-largest island with an area of . Located in Oceania in the southwestern Pacific Ocean, the island is separated from Australia by the wide Torres Strait, though both landmasses lie on the same continental shelf. Numerous smaller islands are located to the west and east. The eastern half of the island is the major land mass of the independent state of Papua New Guinea. The western half, known as Western New Guinea, forms a part of Indonesia and is organized as the provinces of Papua, Central Papua, Highland Papua, South Papua, Southwest Papua, and West Papua. The largest cities on the island are Jayapura (capital of Papua, Indonesia) and Port Moresby (capital of Papua New Guinea). Names The island has been known by various names: The name ''Papua'' was used to refer to parts of the island before contact with the West. Its etymology is unclear; one theory states that it derive ...
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Bolted Joint
A bolted joint is one of the most common elements in construction and machine design. It consists of a male threaded fastener (e. g., a bolt) that captures and joins other parts, secured with a matching female screw thread. There are two main types of bolted joint designs: tension joints and shear joints. Joint types In a tension joint, the bolt and clamped components of the joint are designed to transfer an applied tension load through the joint by way of the clamped components by the design of a proper balance of joint and bolt stiffness. The joint should be designed such that the clamp load is never overcome by the external tension forces acting to separate the joint. If the external tension forces overcome the clamp load (bolt preload) the clamped joint components will separate, allowing relative motion of the components. The second type of bolted joint transfers the applied load in shear of the bolt shank and relies on the shear strength of the bolt. Tension loads on such ...
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Screws
A screw and a bolt (see '' Differentiation between bolt and screw'' below) are similar types of fastener typically made of metal and characterized by a helical ridge, called a ''male thread'' (external thread). Screws and bolts are used to fasten materials by the engagement of the screw thread with a similar ''female thread'' (internal thread) in a matching part. Screws are often self-threading (also known as self-tapping) where the thread cuts into the material when the screw is turned, creating an internal thread that helps pull fastened materials together and prevents pull-out. There are many screws for a variety of materials; materials commonly fastened by screws include wood, sheet metal, and plastic. Explanation A screw is a combination of simple machines: it is, in essence, an inclined plane wrapped around a central shaft, but the inclined plane (thread) also comes to a sharp edge around the outside, which acts as a wedge as it pushes into the fastened material, and th ...
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Nail (fastener)
In woodworking and construction, a nail is a small object made of metal (or wood, called a tree nail or "trunnel") which is used as a fastener, as a peg to hang something, or sometimes as a decoration. Generally, nails have a sharp point on one end and a flattened head on the other, but headless nails are available. Nails are made in a great variety of forms for specialized purposes. The most common is a ''wire nail''. Other types of nails include '' pins'', ''tacks'', ''brads'', ''spikes'', and '' cleats.'' Nails are typically driven into the workpiece by a hammer or nail gun. A nail holds materials together by friction in the axial direction and shear strength laterally. The point of the nail is also sometimes bent over or ''clinched'' after driving to prevent pulling out. History The history of the nail is divided roughly into three distinct periods: * Hand-wrought (forged) nail (pre-history until 19th century) * Cut nail (roughly 1800 to 1914) * Wire nail (roughly 1860 ...
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Strain (injury)
A strain is an acute or chronic soft tissue injury that occurs to a muscle, tendon, or both. The equivalent injury to a ligament is a sprain. Generally, the muscle or tendon overstretches and partially tears, under more physical stress than it can withstand, often from a sudden increase in duration, intensity, or frequency of an activity. Strains most commonly occur in the foot, leg, or back. Immediate treatment typically includes five steps abbreviated as P.R.I.C.E.: protection, rest, ice, compression, elevation. Signs and symptoms Typical signs and symptoms of a strain include pain, functional loss of the involved structure, muscle weakness, contusion, and localized inflammation. A strain can range from mild overstretching to severe tears, depending on the extent of injury. Cause A strain can occur as a result of improper body mechanics with any activity (e.g., contact sports, lifting heavy objects) that can induce mechanical trauma or injury. Generally, the muscle ...
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Stilts (architecture)
Stilts are poles, posts or pillars used to allow a structure or building to stand at a distance above the ground or water. In flood plains, and on beaches or unstable ground, buildings are often constructed on stilts to protect them from damage by water, waves or shifting soil or sand. As these issues were commonly faced by many societies around the world, stilts have become synonymous with various places and cultures, particularly in South East Asia and Venice. Stilt house Stilts are a common architectural element in tropical architecture, especially in Southeast Asia and South America, but can be found worldwide. Stilts also have a large prominence in Oceania and Europe as well as the Arctic, where the stilts elevate houses above the permafrost. The length of stilts may vary widely; stilts of traditional houses can be measured from half a meter to 5 or 6 meters. Stilt houses have been used for millennia, with evidence in the European Alps that stilt houses were constructed on ...
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BTV ForeverYoungTreehouse 20081015
BTV may refer to: Television channels, stations and networks Bangladesh *Bangladesh Television, a state-owned TV broadcaster in Bangladesh and country's oldest television network Botswana *Botswana TV, national broadcaster in Botswana **Botswana TV, targeted for adults. Normally airs government issues like National Development Plans (NDPs), economics, etc. ** Botswana TV 3 focuses on tourism, cultural shows etc. Bulgaria *bTV (Bulgaria), a major national television channel in Bulgaria **bTV Lady, a Bulgarian television channel targeted at a female audience **bTV Action, a Bulgarian action show television channel **bTV Cinema, a Bulgarian television channel, showing movies and serials **bTV Comedy, a Bulgarian television channel, formerly GTV, featuring comedy programs United States *Bloomberg Television (BTV), a business news channel *Binghamton Television, the student television station of Binghamton University, Vestal, New York Other television networks/channels/stations, by ...
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Treehouse Access And Roundwalk
A tree house, tree fort or treeshed is a platform or building constructed around, next to or among the trunk or branches of one or more mature trees while above ground level. Tree houses can be used for recreation, work space, habitation, a hangout space and observation. People occasionally connect ladders, or staircases to get up to the platforms. History Prehistoric hypotheses Building tree platforms or nests as a shelter from dangers on the ground is a habit of all the great apes, and may have been inherited by humans. It is true that evidence of prehistoric man-made tree houses have never been found by paleoanthropologists, but remains of wooden tree houses would not remain. However, evidence for cave accommodation, terrestrial man-made rock shelters, and bonfires should be possible to find if they had existed, but are scarce from earlier than 40,000 years ago. This has led to a hypothesis that archaic humans may have lived in trees until about 40,000 years ago. The ske ...
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Canopy (forest)
In biology, the canopy is the aboveground portion of a plant cropping or crop, formed by the collection of individual plant crowns. In forest ecology, canopy also refers to the upper layer or habitat zone, formed by mature tree crowns and including other biological organisms ( epiphytes, lianas, arboreal animals, etc.). The communities that inhabit the canopy layer are thought to be involved in maintaining forest diversity, resilience, and functioning. Sometimes the term canopy is used to refer to the extent of the outer layer of leaves of an individual tree or group of trees. Shade trees normally have a dense canopy that blocks light from lower growing plants. Observation Early observations of canopies were made from the ground using binoculars or by examining fallen material. Researchers would sometimes erroneously rely on extrapolation by using more reachable samples taken from the understory. In some cases, they would use unconventional methods such as chairs susp ...
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Living Architecture
Living or The Living may refer to: Common meanings *Life, a condition that distinguishes organisms from inorganic objects and dead organisms ** Living species, one that is not extinct *Personal life, the course of an individual human's life * Human life (other) * Human condition * Living wage, refers to the minimum hourly wage necessary for a person to achieve some specific standard of living * Benefice or Living, in canon law, a position in a church that has attached to it a source of income Music * ''Living'' (Paddy Casey album) or the title song, "Livin, 2003 * ''Living'' (Judy Collins album), 1971 *''Living 2001–2002'', an album by the John Butler Trio, 2003 * ''Living'' (EP) or the title song, by Josephine Collective, 2007 * "Living" (song), by Dierks Bentley, 2019 * The Living (band) early 1980's Seattle Punk Rock band, featuring Duff McKagan Television and film * ''Living'' (1954 TV program), a 1954–1955 Canadian informational program * ''Living'' ...
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Chêne Chapelle
The Chêne chapelle (lit. "chapel oak") is an oak tree located in Allouville-Bellefosse in Seine-Maritime, Normandy, France. Description The oak tree is between 800 and 1,200''Petit Futé'' - Le Chêne chapelle
years old. It is high and its base has a circumference of . Its hollow trunk is used as the walls of the two s, which were built there in 1696 and are still used: ''Notre-Dame-de-la-Paix'' ("Our Lady of Peace") and the ''Chambre de l'Ermite'' ("Hermit's room"). A spiral staircase around the trunk provides access to the chapels. When the tree was nearing 500 years of age, it was struck by lightning; the resu ...
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