documentary · intro · evergreen

Mechanical Computer (All Parts) - Basic Mechanisms In Fire Control Computers

Excelsior10000 · Jul 13, 2011 · 41m 53s

What this video covers

A 1953 US Navy training film explaining the basic mechanisms in mechanical fire control computers aboard ships. It shows how gears, differentials and cams solved mathematical problems in permanent mechanical form.

Why it surfaced in Hacker News

HN commenters repeatedly recommend it as a beautiful, approachable explanation of analog mechanical computation, and many have rewatched it.

13.5recommendation score
13
distinct recommenders
12
recommendation months
4
strong recommendations

Recommendation context

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

“It's beautiful in its elegance! I have watched it on multiple occasions just for the sheer beauty of the mechanisms involved.”

“It illustrates the problems and solutions near perfectly, and I've watched it way too many times.”

“I highly recommend it. It's a fascinating trip into engineering, computing, and the past.”

Watch on YouTube ↗