
Macroeconomics & financial crisesexplainer
How The Economic Machine Works by Ray Dalio
Principles by Ray Dalio
Documented HN sourceHN 19.0
Quick Take
HN repeatedly recommends it as the best layperson overview of debt, credit and economic cycles.
Information theory & signal processing
3Blue1Brown · Discussed on HN from 2018 to 2025
3Blue1Brown's animated visual introduction to the Fourier Transform, showing how a signal breaks into frequency components.
Read the notesFirst Fourier explanation that made sense, with amazing visuals from a great teacher.
“this was the first thing that ever really made sense to me”Read the original HN comment
justjonathan · 2020-08 · 16 recommenders across 15 months

Principles by Ray Dalio
HN repeatedly recommends it as the best layperson overview of debt, credit and economic cycles.

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

HN treats it as the standard short summary of how power and political incentives work, applied to governments, companies and workplaces.