
Principles by Ray Dalio
HN repeatedly recommends it as the best layperson overview of debt, credit and economic cycles.
Power grid, heating & buildings
Technology Connections · Discussed on HN from 2021 to 2026
Technology Connections explains how heat pumps work as reversed air conditioners and why they can deliver several times the heat of resistive heating per unit of energy. It also tackles common myths such as poor cold-weather performance.
Read the notesFavorite channel with series on refrigeration and heat pumps
“His whole channel (called Technology Connections) is probably my favorite one on YouTube”Read the original HN comment
pickledish · 2021-11 · 17 recommenders across 15 months

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

HN's default recommendation for understanding the Fourier transform intuitively; many say it was the explanation that made it click.

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