All posts for “Great Explanations”

Great Explanations

An Awesome Explanation of A Differential Gear

Posted by: leelefever on April 3, 2013- 9:24am

Categories: Explanation, gears, Great Explanations, mechanics, video

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Kottke reminded me this morning about this mid-century video that explains, very clearly, how a differential gear works in automobiles. Watch:  Email readers can watch here.  Notice how the video starts with a scene that everyone can grasp before going into more technical information. They focus on "why" before "how". The simple model they use to explain the mechanism is a great example of simplification. The "noise" of the actual gear is removed so the instructor can focus on the big ideas. A... Continue Reading
When I was a wee lad, I remember seeing these little animated tv shows that seemed to be mixed in with my Saturday morning cartoons.  They were only a few minutes long and were focused on a single subject. But these little shows were unlike anything else on TV. I learned something real. I remembered. I knew, at a very young age, how a bill becomes a law.  It was Schoolhouse Rock! and as of January 13th, it turned 40 years old. Speider Schneider is a family friend of David McCall, the creator of... Continue Reading

Music Makes Explanations Remarkable

Posted by: leelefever on September 13, 2012- 10:13am

Categories: education, Great Explanations, music, remarkable, video

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Recently we saw Ira Glass, the host of the popular radio show and podcast This American Life, speak about "Reinventing Radio."  One of his first points was about the seriousness of how news and events are usually covered. His show strives to be different - and look for ways to approach news from an original and remarkable perspective. My first thought was to compare this to education and especially educational videos.  So many of them are so very serious.  I will teach you this...you are... Continue Reading