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OpenStax (formerly OpenStax College) is a nonprofit educational technology initiative based at Rice University. Since 2012, OpenStax has created peer-reviewed, openly-licensed textbooks, which are available in free digital formats and for a low cost in print. Most books are also available in Kindle versions on Amazon.com and in the iBooks Store.
v. t. e. Z-Library (abbreviated as z-lib, formerly BookFinder) is a shadow library project for file-sharing access to scholarly journal articles, academic texts and general-interest books. It began as a mirror of Library Genesis, but has expanded dramatically. [ 6][ 7]
Free-piston engine used as a gas generator to drive a turbine. A free-piston engine is a linear, 'crankless' internal combustion engine, in which the piston motion is not controlled by a crankshaft but determined by the interaction of forces from the combustion chamber gases, a rebound device (e.g., a piston in a closed cylinder) and a load device (e.g. a gas compressor or a linear alternator).
As of this summer, 70,000 students in over 1,000 institutions are already using these AI textbooks, according to Pearson. This fall will mark the first full semester where AI textbooks are the ...
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Public colleges and universities are under similar pressures, as the number of students enrolled in those schools plunged to 10.2 million in 2023, down 12% from a 2011 peak.
Laurent Simons, a child prodigy from Belgium with an IQ of 145, is making headlines for his incredible accomplishments at only nine. A student in electrical engineering at the Eindhoven University ...
An opposed-piston engine is a piston engine in which each cylinder has a piston at both ends, and no cylinder head. Petrol and diesel opposed-piston engines have been used mostly in large-scale applications such as ships, military tanks, and factories. Current manufacturers of opposed-piston engines include Cummins, Achates Power and Fairbanks ...