A comprehensive digital encyclopedia presenting factual, historical, and educational articles supported by reliable sources and structured data. Page: 60

A tool is an object that can extend an individual's ability to modify features of the surrounding environment or help them accomplish a particular task, and proto-typically refers to solid hand-operated non-biological objects with a single broad purpose that lack multiple functions, unlike machines …

Oceanography (from Ancient Greek ὠκεανός (ōkeanós) 'ocean' and γραφή (graphḗ) 'writing'), also known as oceanology, sea science, ocean science, and marine science, is the scientific study of the ocean, including its physics, chemistry, biology, and geology.…

High technology (high tech or high-tech), also known as advanced technology (advanced tech), is technology that is at the cutting edge: the highest form of technology available. It can be defined as either the most complex or the newest technology on the market. The opposite of high tech is low tech…

Hurling (Irish: iománaíocht, iomáint) is an outdoor team game of ancient Gaelic Irish origin. When played by women, it is called camogie (camógaíocht), which shares a common Gaelic root. One of Ireland's native Gaelic games, it shares a number of features with Gaelic football, such as the field and …

Class discrimination, also known as classism, is prejudice or discrimination on the basis of social class. It includes individual attitudes, behaviors, systems of policies and practices that are set up to benefit the upper class at the expense of the lower class. Social class refers to the grouping …

Ski patrols are organizations that provide medical, rescue, and hazard prevention services to the injured in ski area boundaries, or sometimes beyond into backcountry settings. Many have technical-medical certifications, such as Outdoor Emergency Care (OEC) provided by the National Ski Patrol (USA),…

A dwarf star is a star of relatively small size and low luminosity. All main-sequence stars are dwarf stars. The meaning of the word "dwarf" was later extended to some star-sized objects that are not stars, and some types of the compact stellar remnants.…

A mortgage is a legal instrument of the common law which is used to create a security interest in real property held by a lender as a security for a debt, usually a mortgage loan. Hypothec is the corresponding term in civil law jurisdictions, albeit with a wider sense, as it also covers non-possesso…

Sakhalin Oblast (Russian: Сахали́нская о́бласть, romanized: Sakhalinskaya oblastʹ, IPA: [səxɐˈlʲinskəjə ˈobləsʲtʲ]) is a federal subject of Russia (an oblast) comprising the island of Sakhalin and the Kuril Islands in the Russian Far East. The oblast has an area of 87,100 square kilometers (33,600 s…

A salt lake or saline lake is a landlocked body of water that has a concentration of salts (typically sodium chloride) and other dissolved minerals significantly higher than most lakes (often defined as at least three grams of salt per liter). In some cases, salt lakes have a higher concentration of…