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    Image of How Imaginary Numbers Were Invented
    How Imaginary Numbers Were Invented
    youtube.com link posted by c_prompt in todayilearned
    A general solution to the cubic equation was long considered impossible, until we gave up the requirement that math reflect reality. References: Some great videos about the cubic: 50...

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    Image of Introduction to Calculus - A carefully worded overview of calculus for nonspecialists and the simply curious (written by the man who created Apple's first successful word processor - Apple Writer)
    Introduction to Calculus - A carefully worded overview of calculus for nonspecialists and the simply curious (written by the man who created Apple's first successful word processor - Apple Writer)
    arachnoid.com link posted by c_prompt in homeworkhelp
    This article provides an overview and introduction to calculus. It's intended for general readers, nonspecialists, and shows the topic's key concepts in a transparent, approachable way. The arti...

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    Image of TIL you CAN prove a negative
    TIL you CAN prove a negative
    editorial posted by braincrave in braincrave
    Today I learned the adage "you can't prove a negative" is false because you can prove a negative. It's very easy. We need to stop saying that. A better statement to use is "he who asserts a positive...

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    Image of TIL all numbers do not equal all other numbers
    TIL all numbers do not equal all other numbers
    editorial posted by braincrave in braincrave
    Today I learned through math that Aristotle was correct on the law of identify (i.e., A = A), and that everything that exists does have a specific nature. Specifically, all numbers do not equal all o...

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    Image of TIL there are 100+ octillion moves in chess
    TIL there are 100+ octillion moves in chess
    editorial posted by braincrave in braincrave
    Today I learned that there are 169,518,829,100,544,000,000,000,000,000 (approximately 1.70 x 10^29) ways to play the first ten moves in chess. (I also learned that there are "400 different possible ...

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    Image of Problem-solving
    Problem-solving
    editorial posted by braincrave in braincrave
    Albert Einstein once said "The formulation of a problem is often more essential than its solution, which may be merely a matter of mathematical or experimental skill." Do we expect simple problems? I...

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    Image of Symbolab Math Solver - Step by Step Calculator
    Symbolab Math Solver - Step by Step Calculator
    symbolab.com link posted by c_prompt in homeworkhelp
    Equation search and math solver - solves algebra, trigonometry and calculus problems step by step (shows you actual steps how to solve). Symbolab is an advanced math education tool. It allows user...

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    Image of The Fluid Dynamics of “The Starry Night”: How Vincent Van Gogh’s Masterpiece Explains the Scientific Mysteries of Movement and Light
    The Fluid Dynamics of “The Starry Night”: How Vincent Van Gogh’s Masterpiece Explains the Scientific Mysteries of Movement and Light
    brainpickings.org link posted by c_prompt in science
    In a period of intense suffering, Van Gogh was somehow able to perceive and represent one of the most supremely difficult concepts nature has ever brought before mankind.
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    Image of Have you heard about Common Core? The chilling truth behind these new national educational "standards" will terrify you.
    Have you heard about Common Core? The chilling truth behind these new national educational "standards" will terrify you.
    youtu.be link posted by c_prompt in education
    I had to pause this video a few times to allow myself to calm down. This isn't new. I started researching the genesis of "new math" and "everyday math" back in 2007 when I...

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    Image of Math exercise - expand.
    Math exercise - expand.
    viralcircus.com link posted by c_prompt in funny
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    Image of I'm not a scientist nor engineer nor mathematician. But I wish I was. It's so romantic.
    I'm not a scientist nor engineer nor mathematician. But I wish I was. It's so romantic.
    editorial posted by c_prompt in science
    I've just watched a physics video that made me discover something important about myself. Had I better teachers growing up, I'd be a scientist now instead of a business technologist. I'...

    • 4 comments
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