explainer · HACKER NEWS RECOMMENDATION
Ion drive: The first flight
nature video · 1 HN recommenders · 1 recommendation months
Recommended by 1 Hacker News commenters across 1 months (2018–2022).
SignalTube analysis
Among 27 other explainer videos tagged Aviation & aerospace engineering, the mean is 3.7 distinct HN recommenders. This video has 1 distinct HN recommenders, below that mean. Recommendations span 1 distinct month; the peer average is 3.0 months. This is a data-derived comparison, not a human review or quality rating.
25% of its 4 labeled comments are marked as recommendations or strong recommendations. HN mention years are 2018–2022; those years describe discussion history, not upload date. Its verified runtime is 5 minutes 6 seconds. YouTube lists its publication date as 2018-11-21.
- Channel / speaker
- nature video
- Verified runtime
- 5m 6s
- YouTube upload date
- 2018-11-21
- Hacker News mention years
- 2018–2022
SAME TOPIC AND FORMAT
Compare with related videos
The comparison cohort uses other explainer videos in Aviation & aerospace engineering. “Shared recommenders” counts HN users who recommended both videos in the source graph.
| Video | HN recommenders | Recommendation months | Positive label share | Shared recommenders | Runtime | Upload date |
|---|---|---|---|---|---|---|
| Ion drive: The first flightCurrent video | 1 | 1 | 25% | — | 5m 6s | 2018-11-21 |
| Mars Helicopter (before it went to Mars)explainer · Veritasium | 10 | 4 | 79% | No recorded overlap | 16m 1s | 2019-08-10 |
| The Fastest Way to Board a Plane Feels Like the Slowestexplainer · CGP Grey | 9 | 6 | 69% | No recorded overlap | 8m 28s | 2019-02-04 |
| Zipline - How Rwanda Built A Drone Delivery Serviceexplainer · Real Engineering | 9 | 6 | 69% | No recorded overlap | 11m 46s | 2019-01-25 |
THREE SOURCE-BASED CONTEXT POINTS
Why Hacker News recommends it
Each note combines the dataset’s stance label and short rationale; comment bodies are not reproduced. Open the HN source for the original discussion.
The archive classifies this as a recommendation in “MIT engineers fly first-ever plane with no moving parts (2018)”. Its short rationale: Shows how the ion plane works and flies.
The archive classifies this as a contextual reference in “UVB radiation was the Devonian-Carboniferous extinction kill mechanism”. Its short rationale: the source snapshot has no short rationale for this mention.
The archive classifies this as a contextual reference in “Flying cars”. Its short rationale: the source snapshot has no short rationale for this mention.