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20 hours ago · Brain–computer interface. A brain–computer interface ( BCI ), sometimes called a brain–machine interface ( BMI ), is a direct communication link between the brain 's electrical activity and an external device, most commonly a computer or robotic limb. BCIs are often directed at researching, mapping, assisting, augmenting, or repairing ...
20 hours ago · Liberalism portal. Politics portal. v. t. e. Freedom of speech is a principle that supports the freedom of an individual or a community to articulate their opinions and ideas without fear of retaliation, censorship, or legal sanction. The right to freedom of expression has been recognised as a human right in the Universal Declaration of Human ...
20 hours ago · 316,000 [3] (2023) Website. costco.com. Original logo (used until 1993, but carried by stores until 1997) Costco Wholesale Corporation (commonly shortened to Costco) is an American multinational corporation which operates a chain of membership-only big-box warehouse club retail stores. [4] As of 2021, Costco is the third-largest retailer in the ...
20 hours ago · Alaska ( / əˈlæskə / ⓘ ə-LASS-kə) is a non-contiguous U.S. state on the northwest extremity of North America. It is in the Western United States region. The only other non-contiguous U.S. state is Hawaii. Alaska is also considered to be the northernmost, westernmost, and easternmost (the Aleutian Islands cross the antimeridian into the ...
20 hours ago · 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.
20 hours ago · Depleted uranium ( DU; also referred to in the past as Q-metal, depletalloy or D-38) is uranium with a lower content of the fissile isotope 235 U than natural uranium. [2] Natural uranium contains about 0.72% 235 U, while the DU used by the U.S. Department of Defense contains 0.3% 235 U or less. The less radioactive and non-fissile 238 U ...
