
MIT OpenCourseWare
HN treats it as the canonical, near-universally recommended lecture on giving talks and presentations.
Philosophy & ethics
Harvard University · Discussed on HN from 2013 to 2025
The first episode of Michael Sandel's Harvard course on moral reasoning, opening with the trolley problem and the choice between killing one to save five. Sandel draws out student arguments and introduces utilitarian and other approaches to justice.
Read the notesLecture series on moral philosophy found absolutely amazing
“I found these lectures on the topic absolutely amazing to watch”Read the original HN comment
soheil · 2013-06 · 11 recommenders across 12 months

MIT OpenCourseWare
HN treats it as the canonical, near-universally recommended lecture on giving talks and presentations.

HN treats it as the best starting point for really understanding backprop and neural nets, because Karpathy explains the why with intuition and builds everything in code.

AT&T Tech Channel
HN repeatedly calls it the clearest introduction to waves and transmission-line behavior, better than modern explainers.