explainer · HACKER NEWS RECOMMENDATION
The moiré effect lights that guide ships home
Tom Scott · 1 HN recommenders · 1 recommendation months
Recommended by 1 Hacker News commenters across 1 months (2024–2026).
SignalTube analysis
Among 7 other explainer videos tagged Ships, submarines & maritime, the mean is 2.4 distinct HN recommenders. This video has 1 distinct HN recommenders, below that mean. Recommendations span 1 distinct month; the peer average is 2.3 months. This is a data-derived comparison, not a human review or quality rating.
33% of its 3 labeled comments are marked as recommendations or strong recommendations. HN mention years are 2024–2026; 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
- Tom Scott
- Verified runtime
- Not verified in the current YouTube metadata
- YouTube upload date
- Not verified
- Hacker News mention years
- 2024–2026
SAME TOPIC AND FORMAT
Compare with related videos
The comparison cohort uses other explainer videos in Ships, submarines & maritime. “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 |
|---|---|---|---|---|---|---|
| The moiré effect lights that guide ships homeCurrent video | 1 | 1 | 33% | — | Not verified in the current YouTube metadata | Not verified |
| How Do Nuclear Submarines Make Oxygen?- Smarter Every Day 251explainer · SmarterEveryDay | 5 | 5 | 50% | No recorded overlap | Not verified | Not verified |
| Why Japan had NO Chance in WW2explainer · Military History Visualized | 3 | 2 | 50% | No recorded overlap | Not verified | Not verified |
| The US Military’s Massive Global Transportation Systemexplainer · Wendover Productions | 2 | 2 | 67% | 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 “Guiding Ships with Moire Patterns”. Its short rationale: Tom Scott explains the guiding arrows.
The archive classifies this as a contextual reference in “Using the moiré effect to show different arrows to each observer (2018)”. Its short rationale: the source snapshot has no short rationale for this mention.
The archive classifies this as a recommendation in “Light characteristic”. Its short rationale: Tom Scott visits moire navigation beacon.