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  2. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    Quizlet's primary products include digital flash cards, matching games, practice electronic assessments, and live quizzes. In 2017, 1 in 2 high school students used Quizlet. [ 4 ] As of December 2021, Quizlet has over 500 million user-generated flashcard sets and more than 60 million active users.

  3. Here's Why People Think Dean Vaughn May Have Been A ... - AOL

    www.aol.com/lifestyle/heres-why-people-think...

    Dean Vaughn was found in his apartment at 924 N. 25th Street in Milwaukee at 12:30 a.m. on May 3, 1991, according to the Milwaukee Cold Case website. He was just 28. He was just 28.

  4. History of physics - Wikipedia

    en.wikipedia.org/wiki/History_of_physics

    Kenneth Krane's Modern physics begins a text on quantum and relativity theories with a few pages on the deficiencies of classical physics. [ 84 ] : 3 E.T. Whittaker's two volume A History of the Theories of Aether and Electricity subtitles volume one to The Classical Theories and volume two The Modern Theories (1900–1926).

  5. AP Physics 1 - Wikipedia

    en.wikipedia.org/wiki/AP_Physics_1

    AP Physics 1 is an algebra-based, introductory college-level physics course that includes mechanics topics such as motion, fluids, force, momentum, energy, harmonic motion, and rotation. The College Board published a curriculum framework that includes eight big ideas on which AP Physics 1 is based.

  6. Dean number - Wikipedia

    en.wikipedia.org/wiki/Dean_number

    The Dean number (De) is a dimensionless group in fluid mechanics, which occurs in the study of flow in curved pipes and channels.It is named after the British scientist W. R. Dean, who was the first to provide a theoretical solution of the fluid motion through curved pipes for laminar flow by using a perturbation procedure from a Poiseuille flow in a straight pipe to a flow in a pipe with very ...

  7. Seven Brief Lessons on Physics - Wikipedia

    en.wikipedia.org/wiki/Seven_Brief_Lessons_on_Physics

    Seven Brief Lessons on Physics (Italian: Sette brevi lezioni di fisica) is a short book by the Italian physicist Carlo Rovelli. Originally published in Italian in 2014, by 2021 the book has been translated into 52 languages. [1] More than a million copies have been sold, of which more than 400,000 in Italy. [2]

  8. MIT Department of Physics - Wikipedia

    en.wikipedia.org/wiki/MIT_Department_of_Physics

    Fourteen alumni of the department and nine current or former faculty members (two of whom were also students at MIT) have won the Nobel Prize in Physics.The Department of Physics was born when MIT founder William Barton Rogers proposed in 1865 to bring their Mens et Manus philosophy to life by creating a new laboratory of physics and mechanics ...

  9. Dean drive - Wikipedia

    en.wikipedia.org/wiki/Dean_drive

    The Dean drive was a device created and promoted by inventor Norman Lorimer Dean (1902–1972) that he claimed to be a reactionless drive. [1] Dean claimed that his device was able to generate a uni-directional force in free space , in violation of Newton's third law of motion from classical physics .