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10 godz. temu · Feature papers represent the most advanced research with significant potential for high impact in the field. A Feature Paper should be a substantial original Article that involves several techniques or approaches, provides an outlook for future research directions and describes possible research applications.
10 godz. temu · In Newtonian mechanics, momentum (pl.: momenta or momentums; more specifically linear momentum or translational momentum) is the product of the mass and velocity of an object. It is a vector quantity, possessing a magnitude and a direction. If m is an object's mass and v is its velocity (also a vector quantity), then the object's momentum p (from Latin pellere "push, drive") is: =.
10 godz. temu · Cold fusion. Diagram of an open-type calorimeter used at the New Hydrogen Energy Institute in Japan. Cold fusion is a hypothesized type of nuclear reaction that would occur at, or near, room temperature. It would contrast starkly with the "hot" fusion that is known to take place naturally within stars and artificially in hydrogen bombs and ...
10 godz. temu · The global African diaspora is the worldwide collection of communities descended from people from Africa, predominantly in the Americas. The African populations in the Americas are descended from haplogroup L genetic groups of native Africans. The term most commonly refers to the descendants of the native West and Central Africans who were enslaved and shipped to the Americas via the Atlantic ...
10 godz. temu · In chemistry, a nonmetal is a chemical element that mostly lacks distinctive metallic properties. They range from colorless gases like hydrogen to shiny crystals like iodine.Physically, they are usually lighter (less dense) than elements that form metals and are often poor conductors of heat and electricity.Chemically, nonmetals have relatively high electronegativity or usually attract ...
1 dzień temu · Educational research. Educational technology (commonly abbreviated as edutech, or edtech) is the combined use of computer hardware, software, and educational theory and practice to facilitate learning. [1] [2] When referred to with its abbreviation, "EdTech", it often refers to the industry of companies that create educational technology.
