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Category: Video

Lecture by Richard Feynman – with transcript Feb 2022

  • khoitsma
  • General, Mathematics, Science, Video
  • 0 Comments

Los Alamos from below

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Adding tools to Excel Jan 2022

  • khoitsma
  • Excel, Video
  • 0 Comments

In a short video, I show how to modify the Excel ribbon

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Interview with James McDonald PhD, PE – Transcript Dec 2021

  • khoitsma
  • Kids (middle school and up), Texas Tech (TTU), Video
  • 0 Comments

McDonald discusses his career at Texas Tech in the Department of Engineering and his research on structural damage from natural disasters.

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Special Lecture: F-22 Flight Controls Dec 2021

  • khoitsma
  • Engineering, Video
  • 0 Comments

Luckily, I happened upon this video; I couldn’t stop watching.

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Python, PyXLL, and Pyside2 Nov 2021

  • khoitsma
  • Excel, PySide2, Python, PyXLL, Video
  • 0 Comments


I built a full PySide2 menu that allows the selection and presentation of AISC steel properties and the calculation of ASCE wind loads.

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Fascinating Science Lectures Mar 2021

  • khoitsma
  • General, Kids (middle school and up), Science, Video
  • 0 Comments

Richard Dawkins

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What is the most general equation for the area of a triangle?
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Circle Theorems
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Pentagonal number visual proof

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Bayes theorem visual proof

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