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X-15 attached to its B-52 mother ship with a T-38 flying nearby. The X-15 had a thick wedge tail to enable it to fly in a steady manner at hypersonic speeds. [16] This produced a significant amount of base drag at lower speeds; [16] the blunt end at the rear of the X-15 could produce as much drag as an entire F-104 Starfighter. [16]
X-15 is a 1961 American aviation drama film that presents a fictionalized account of the X-15 research rocket aircraft program, the test pilots who flew the aircraft, and the associated NASA community that supported the program. X-15 starred David McLean, Charles Bronson, [Note 1] James Gregory and Mary Tyler Moore (in her first feature film ...
Title Genre Seasons/episodes Show creator(s) Original release Network Studio Age rating Technique Sources Go! Go! Cory Carson: Educational: 4 seasons, 28 episodes
Educational courses with lectures, quizzes and exams provided by universities for free. Certificates are provided by the respective university on successful completion of a course. Free ? Coursera: Crash Course (YouTube) Multidisciplinary Educational courses in physical and social sciences, philosophy, history, culture and literature. Free ?
YouTube has also presented advocacy campaigns through special playlists featured on YouTube Kids, including "#ReadAlong" (a series of videos, primarily featuring kinetic typography) to promote literacy, [12] "#TodayILearned" (which featured a playlist of STEM-oriented programs and videos), [13] and "Make it Healthy, Make it Fun" (a ...
With effort, learners can study any language by comparing their recordings to the same story in a language they know. [ 7 ] The list of self-study programs, below, shows the number of languages taught by each program, the name of the program, and the number of different languages used for instruction.
This doesn't attempt to teach you a language as you'd expect from a course but is simply a tool for assisting this process, with word lists in different languages and a resources list with external links to videos, blogs and newspapers etc. to help editors acquire a language. Learning a language and reaching a fluent level takes a lot of time ...
Charles Darwin (12 February 1809 – 19 April 1882) was an English naturalist, geologist, and biologist, widely known for his contributions to evolutionary biology. His proposition that all species of life have descended from a common ancestor is now generally accepted and considered a fundamental scientific concept.