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The first commutator DC electric motor capable of turning machinery was invented by English scientist William Sturgeon in 1832. [17] Following Sturgeon's work, a commutator-type direct-current electric motor was built by American inventors Thomas Davenport and Emily Davenport , [ 18 ] which he patented in 1837.
Genki: An Integrated Course in Elementary Japanese is a textbook for learners of the Japanese language that starts at an absolute beginner level. [ 9][ 10] The textbook is divided into two volumes, containing 23 lessons focusing on Japanese grammar, vocabulary, and kanji. [ 11] It is used in many universities throughout the English-speaking ...
A gap year, also known as a sabbatical year, is a period of time when students take a break from their studies, usually after completing high school or before beginning graduate school. During this time, students engage in a variety of educational and developmental activities, such as traveling, working, volunteering, or taking courses. [ 1]
Generation Z (often shortened to Gen Z), also known as Zoomers, [1] [2] [3] is the demographic cohort succeeding Millennials and preceding Generation Alpha.Researchers and popular media use the mid-to-late 1990s as starting birth years and the early 2010s as ending birth years, with the generation most frequently being defined as people born from 1997 to 2012. [4]
A textbook is a book containing a comprehensive compilation of content in a branch of study with the intention of explaining it. Textbooks are produced to meet the needs of educators, usually at educational institutions. Schoolbooks are textbooks and other books used in schools. [1] [2] Today, many textbooks are published in both print and ...
First-year composition (sometimes known as first-year writing, freshman composition or freshman writing) is an introductory core curriculum writing course in US colleges and universities. This course focuses on improving students' abilities to write in a university setting and introduces students to writing practices in the disciplines and ...
The couple married in 2007; at the time he was 30 years old and she 54, with a 24-year age-hypogamous gap between the pair. Another example illustrating the varying literature surrounding age-hypogamous relationships is research indicating that a woman's marital status can influence her likelihood of engaging in age-hypogamous relationships.
v. t. e. Achievement gaps in the United States are observed, persistent disparities in measures of educational performance among subgroups of U.S. students, especially groups defined by socioeconomic status (SES), race / ethnicity and gender. The achievement gap can be observed through a variety of measures, including standardized test scores ...