Real Engineering: the videos Hacker News recommends
Not the channel's most viewed videos: the ones HN commenters kept linking with real commentary. The top pick, "Zipline - How Rwanda Built A Drone Delivery Service", hN points to it as the best explanation of how Zipline's whole system works and as an example of drones doing real, useful work.
- 9 HN recommenders 6 months 2019–2023explainerHN points to it as the best explanation of how Zipline's whole system works and as an example of drones doing real, useful work.
- 5 HN recommenders 5 months 2018–2021explainerHN links it in hydrogen threads as a clear breakdown of why compounded inefficiencies make hydrogen a poor fit for cars, though one commenter calls it outdated.
- 5 HN recommenders 4 months 2022–2025explainerIt is the go-to accessible explainer whenever HN discusses Helion or alternative fusion designs.
- 4 HN recommenders 4 months 2021–2024explainerLinked whenever commenters ask whether Sahara solar could power Europe, as a clear explanation of why it is impractical.
- 4 HN recommenders 4 months 2018–2024explainerHN recommends it as a clear explanation of why batteries limit electric aviation.
- 4 HN recommenders 4 months 2019–2020explainerRecommended as a clear explanation of Starlink's purpose and the case that it can beat fiber on latency for long routes.
- 4 HN recommenders 4 months 2019–2022explainerOffered in energy and nuclear debates as a numbers-based walkthrough of renewable storage costs, though one commenter disliked its tone.
- 3 HN recommenders 3 months 2021–2022explainerHN recommends it as an accessible in-depth explanation of how Webb works and why its deployment was remarkable.
- 2 HN recommenders 2 months 2020–2023explainerRecommended as a clear walkthrough of nuclear plant economics and why incentives favor other generation.
- 3 HN recommenders 2 months 2019–2024explainerCommenters point to it whenever 3D-printed metal parts come up, as a clear explanation of why they have poor fatigue life and material defects.
- 3 HN recommenders 2 months 2018–2021explainerRecommended in tree-planting and carbon removal threads as a sourced explanation of why greening deserts is not a simple climate fix.
- 2 HN recommenders 1 months 2021–2023explainerLinked in fuel and aviation threads as the full story on why ethanol and biofuels are energy-negative or inefficient.
Questions
Which Real Engineering video does Hacker News recommend most?
Zipline - How Rwanda Built A Drone Delivery Service: recommended in 6 different months by 9 HN users between 2019 and 2023.
Is this every Real Engineering video?
No. Only videos that at least three different HN users linked, in at least three different months, with at least a sentence of their own commentary. That filter is what makes the list useful.
Video list and Hacker News comment labels from HackerTube (prompted by @karpathy), released under ODC-By 1.0, built on the open-index/hacker-news archive. Hacker News data is provided by Y Combinator; comments remain the work of their authors. Video titles, channel names and thumbnails belong to their creators and are shown via YouTube. HackerTube Watch is an unofficial edition. Data export of 2026-10-31.