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  • 01:59 Popular Mysteries Of Vernacular: X-ray - Jessica Oreck And Rachael Teel

    Mysteries Of Vernacular: X-ray - Jessica Oreck And Rachael Teel

    728 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/mysteries-of-vernacular-x-ray-jessica-oreck-and-rachael-teel The story of the word X-Ray is one of great thinkers. French philosopher Rene Descartes isolated the letters X, Y and Z to stand for unknowns, and cen

  • 09:52 Popular Locke, Berkeley, & Empiricism: Crash Course Philosophy #6

    Locke, Berkeley, & Empiricism: Crash Course Philosophy #6

    745 views / 0 likes - added

    This week we answer skeptics like Descartes with empiricism. Hank explains John Locke’s primary and secondary qualities and why George Berkeley doesn’t think that distinction works -- leaving us with literally nothing but our minds, ideas, and perceptions

  • 49:18 Civilisation: A Personal View by Kenneth Clark, Ep. 08 "The Light of Experience"

    Civilisation: A Personal View by Kenneth Clark, Ep. 08 "The Light of Experience"

    344 views / 0 likes - added

    Clark tells of new worlds in space and in a drop of waterworlds that the telescope and microscope revealedand the new realism in the Dutch paintings of Rembrandt and other artists that took the observation of human character to a new stage of development

  • 01:38 Popular Cartesian Diver - Sick Science! #138

    Cartesian Diver - Sick Science! #138

    812 views / 1 likes - added

    Read the full experiment here http://www.stevespanglerscience.com/experiment/eye-dropper-cartesian-diverThis experiment is named after Rene Descartes (1596-1650), a French scientist and mathematician. It's a classic science experiment using an eye-dropper

  • 00:46 Can You INVENT a Number? Yes. #shorts

    Can You INVENT a Number? Yes. #shorts

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    What do you do when you've got a mathematical expression that's unsolvable because the numbers you need don't exist? You do what Hero of Alexandria did: you just invent one. That's how we got the concept of imaginary numbers, which Rene Descartes derided

  • 31:33 The Oldest Unsolved Problem in Math

    The Oldest Unsolved Problem in Math

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    Do odd perfect numbers exist? Head to https://brilliant.org/veritasium to start your free 30-day trial, and the first 200 people get 20% off an annual premium subscription.If youre looking for a molecular modeling kit, try Snatoms, a kit I invented where


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