explainer · HACKER NEWS RECOMMENDATION
Calculating a Car Crash - Numberphile
Numberphile · 1 HN recommenders · 1 recommendation months
Recommended by 1 Hacker News commenters across 1 months (2018–2026).
SignalTube analysis
Among 81 other explainer videos tagged Fundamental physics, the mean is 2.8 distinct HN recommenders. This video has 1 distinct HN recommenders, below that mean. Recommendations span 1 distinct month; the peer average is 2.5 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 2018–2026; those years describe discussion history, not upload date. A verified runtime is not present in the current metadata snapshot. A verified YouTube publication date is not present in the current metadata snapshot.
- Channel / speaker
- Numberphile
- Verified runtime
- Not verified in the current YouTube metadata
- YouTube upload date
- Not verified
- Hacker News mention years
- 2018–2026
SAME TOPIC AND FORMAT
Compare with related videos
The comparison cohort uses other explainer videos in Fundamental physics. “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 |
|---|---|---|---|---|---|---|
| Calculating a Car Crash - NumberphileCurrent video | 1 | 1 | 25% | — | Not verified in the current YouTube metadata | Not verified |
| The Speed of Light is NOT About Lightexplainer · PBS Space Time | 8 | 8 | 67% | No recorded overlap | Not verified | Not verified |
| A new way to visualize General Relativityexplainer · ScienceClic English | 8 | 6 | 89% | No recorded overlap | Not verified | Not verified |
| How to Understand What Black Holes Look Likeexplainer · Veritasium | 8 | 4 | 80% | No recorded overlap | Not verified | Not verified |
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 contextual reference in “Why does kinetic energy increase quadratically, not linearly, with speed? (2011)”. Its short rationale: Numberphile example of crash speeds and energy.
The archive classifies this as a recommendation in “The right not to be subjected to AI profiling based on publicly available data”. Its short rationale: Explains kinetic energy scaling with speed squared for braking.
The archive classifies this as a contextual reference in “For the first time in Europe, registrations for EVs overtook diesel”. Its short rationale: Shows how velocity affects stopping distance.