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The My Lai massacre (/ m iː l aɪ / mee ly; Vietnamese: Thảm sát Mỹ Lai [tʰâːm ʂǎːt mǐˀ lāːj] ⓘ) was a war crime committed by the United States Army on 16 March 1968, involving the mass murder of unarmed civilians in Sơn Mỹ village, Quảng Ngãi province, South Vietnam, during the Vietnam War. [1]
The goals of learning are understanding and prediction. Learning falls into many categories, including supervised learning, unsupervised learning, online learning, and reinforcement learning. From the perspective of statistical learning theory, supervised learning is best understood. [4] Supervised learning involves learning from a training set ...
[6]: 592 [97] In 2009, Allan McDonald published his memoir written with space historian James Hansen, Truth, Lies, and O-Rings: Inside the Space Shuttle Challenger Disaster, which focuses on his personal involvement in the launch, disaster, investigation, and return to flight, and is critical of NASA and Morton Thiokol leadership for agreeing ...
The large "M" logos on trains and buses were replaced with decals that state MTA New York City Bus, MTA New York City Subway or MTA Staten Island Railway, eliminating inconsistencies in signage. [56] Today, the older "M" logos survive on existing cube-shaped lamps on station lampposts dating to the 1980s, though such lamps have been updated ...
The MTA purchased and took over subway, elevated, streetcar, and bus operations from the Boston Elevated Railway in 1947. [15] In the 1950s, the MTA ran new subway extensions, while the last two streetcar lines running into the Pleasant Street Portal of the Tremont Street Subway were substituted with buses in 1953 and 1962. [16]
"Space Oddity" is a song by the English singer-songwriter David Bowie. It was first released on 11 July 1969 by Philips Records as a 7-inch single, then as the opening track of his second studio album, David Bowie.
Learning by doing is a theory that places heavy emphasis on student engagement and is a hands-on, task-oriented, process to education. [1] The theory refers to the process in which students actively participate in more practical and imaginative ways of learning.
Hermann Minkowski (1864–1909) found that the theory of special relativity could be best understood as a four-dimensional space, since known as the Minkowski spacetime.. In physics, Minkowski space (or Minkowski spacetime) (/ m ɪ ŋ ˈ k ɔː f s k i,-ˈ k ɒ f-/ [1]) is the main mathematical description of spacetime in the absence of gravitation.