Old-School High-Technology

While TED lectures are quickly dropping their fact-to-flash ratio into narcissistic preening territory, the high content, low pizzazz, ironically entertaining educational films of yesteryear are posted onto YouTube. Here is a 1936 film on transmissions that builds all the way from basic lever theory to the workings of a synchromesh manual shift transmission in 10 minutes.

h/t-Popular Mechanics