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Technology is the making, modification or improvement, applied activity or behavior, use and knowledge of tools , machines , techniques, crafts , systems , methods of organization, or environmental modifications or arrangement in order to solve a problem, improve a preexisting solution to a problem, achieve a goal or perform a specific function. It can also refer to the collection of such tools, machinery, modifications, environmental arrangement and procedures. Technologies significantly affect human as well as other animal species' ability to control and adapt to their natural environments. The word technology comes from Greek τεχνολογία (technología) ; from τέχνη (téchnē) , meaning "art, skill, craft", and -λογία ( -logía ) , meaning "study of-". The term can either be applied generally or to specific areas: examples include construction technology , medical technology , and information technology .
edit The Science Portal Science is a methodical study of nature that forms testable explanations and predictions . An older and closely related meaning still in use today is that found for example in Aristotle , whereby "science" refers to the body of reliable knowledge itself, of the type that can be logically and rationally explained ( see "History and etymology" section below ).
Belief is the psychological state in which an individual holds a proposition or premise to be true . [ 1 ] Dispositional and occurrent belief concerns the contextual activation of the belief into thoughts (reactive of propositions) or ideas (based on the belief's premise). [ edit ] Belief, knowledge and epistemology The terms belief and knowledge are used differently in philosophy. Epistemology is the philosophical study of knowledge and belief. The primary problem in epistemology is to understand exactly what is needed in order for us to have true knowledge. In a notion derived from Plato 's dialogue Theaetetus , philosophy has traditionally defined knowledge as " justified true belief ".
Mathematics is the study of numbers , quantity , space , structure , and change . Mathematicians seek out patterns and formulate new conjectures . Mathematicians resolve the truth or falsity of conjectures by mathematical proofs , which are arguments sufficient to convince other mathematicians of their validity.
The last voyage of HMCS Karluk , flagship of the Canadian Arctic Expedition , ended with the loss of the ship and the subsequent deaths of nearly half her complement. On her outward voyage in August 1913 Karluk , a brigantine formerly used as a whaler , became trapped in the Arctic ice while sailing to a rendezvous point at Herschel Island . After a long drift across the Beaufort and Chukchi seas the ship was crushed and sunk. In the ensuing months the crew and expedition staff struggled to survive, first on the ice and later on the shores of Wrangel Island . In all, eleven men died before help could reach them.
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The arts are a vast subdivision of culture , composed of many creative endeavors and disciplines. It is a broader term than " art ", which as a description of a field usually means only the visual arts . The arts encompass the visual arts , the literary arts and the performing arts – music , theatre , dance and film , among others. This list is by no means comprehensive, but only meant to introduce the concept of the arts.