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Hace 2 días · For other uses, see Wave (disambiguation). Surface waves in water showing water ripples. In physics, mathematics, engineering, and related fields, a wave is a propagating dynamic disturbance (change from equilibrium) of one or more quantities. Periodic waves oscillate repeatedly about an equilibrium (resting) value at some frequency.
Hace 4 días · A computer is a machine that can be programmed to automatically carry out sequences of arithmetic or logical operations ( computation ). Modern digital electronic computers can perform generic sets of operations known as programs. These programs enable computers to perform a wide range of tasks. The term computer system may refer to a nominally ...
Hace 1 día · Family Guy is an American animated sitcom created by Seth MacFarlane for the Fox Broadcasting Company. The series premiered on January 31, 1999, following Super Bowl XXXIII, with the rest of the first season airing from April 11, 1999.
Hace 1 día · Water pollution (or aquatic pollution) is the contamination of water bodies, with a negative impact on their uses. [1] : 6 It is usually a result of human activities. Water bodies include lakes, rivers, oceans, aquifers, reservoirs and groundwater. Water pollution results when contaminants mix with these water bodies.
Hace 3 días · Ciupercile comestibile trebuiesc prelucrate în stare proaspătă, deoarece proteinele lor structurale se descompun rapid, generând produși nesănătoși sau chiar toxici. Prin urmare, consumul de ciuperci comestibile degradate provoacă otrăviri care sunt mult mai frecvente decât intoxicațiile cu acelea cu adevărat otrăvitoare.
Hace 3 días · MOS memory, based on MOS transistors, was developed in the late 1960s, and was the basis for all early commercial semiconductor memory. The first commercial DRAM IC chip, the 1K Intel 1103, was introduced in October 1970. Synchronous dynamic random-access memory (SDRAM) later debuted with the Samsung KM48SL2000 chip in 1992.
Hace 2 días · t. e. Psychology is the study of mind and behavior. [1] Its subject matter includes the behavior of humans and nonhumans, both conscious and unconscious phenomena, and mental processes such as thoughts, feelings, and motives. Psychology is an academic discipline of immense scope, crossing the boundaries between the natural and social sciences.
