explainer · intro · evergreen

Around The Corner - How Differential Steering Works (1937)

US Auto Industry · Sep 16, 2009 · 9m 31s

What this video covers

A 1937 GM-produced film explaining how the automobile differential lets wheels turn at different speeds around a corner. It uses clear animations and cutaway demonstrations to build the idea from first principles.

Why it surfaced in Hacker News

Held up as a marvel of pedagogy and the best explanation of differentials, recommended again and again.

18.5recommendation score
17
distinct recommenders
15
recommendation months
7
strong recommendations

Recommendation context

Short excerpts from positive mentions. Open the source to read the full Hacker News discussion.

“This 1937 video about differentials is also enlightening”

“this video explaining differentials is from 1937 and is a marvel of pedagogy”

“Here’s a terrific explanation of how differential gears work, from a film produced by GM in the 30s”

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