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A 2011 discovery in the Canadian province of New Brunswick yielded the earliest known plants to have grown wood, approximately 395 to 400 million years ago. [5] [6]Wood can be dated by carbon dating and in some species by dendrochronology to determine when a wooden object was created.
An open woodland in North Lanarkshire, Scotland. A woodland (/ ˈ w ʊ d l ə n d / ⓘ) is, in the broad sense, land covered with woody plants (trees and shrubs), [1] [2] or in a narrow sense, synonymous with wood (or in the U.S., the plurale tantum woods), a low-density forest forming open habitats with plenty of sunlight and limited shade (see differences between British, American and ...
A 4-wood is sometimes seen instead of a 3-wood (to fine-tune range differences between a player's driver and fairway wood), while a 5-wood is a common addition to the 3-wood for players who prefer fairway woods to long irons for play through the green. 7-woods are rarer in men's clubs but more common in ladies' and seniors' sets, again as a ...
Natural hybridization between wood and plains bison presumably occurred for a limited extent in the regions where the two ecotypes (or subspecies) overlapped. [33] Wood–plains hybrids are generally called "Parkland bison". [34] As below-mentioned, disease-free and genetically unique populations of wood bison have been discovered in recent years.
Wood grain is the longitudinal arrangement of wood fibers [1] or the pattern resulting from such an arrangement. [2] R. Bruce Hoadley wrote that grain is a "confusingly versatile term" with numerous different uses, including the direction of the wood cells (e.g., straight grain, spiral grain), surface appearance or figure, growth-ring placement (e.g., vertical grain), plane of the cut (e.g ...
As the name suggests, the wood from these trees is generally harder than that of softwoods, but there are significant exceptions. In both groups there is an enormous variation in actual wood hardness, with the range in density in hardwoods completely including that of softwoods; some hardwoods ( e.g. , balsa ) are softer than most softwoods ...
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Solid wood is a term most commonly used to distinguish between ordinary lumber and engineered wood, but it also refers to structures that do not have hollow spaces. Engineered wood products are manufactured by binding together wood strands, fibers , or veneers with adhesives to form a composite material .