explainer · HACKER NEWS RECOMMENDATION
How to Detect Extra Dimensions
PBS Space Time · 3 HN recommenders · 1 recommendation months
Recommended by 3 Hacker News commenters across 1 months (2018–2020).
SignalTube analysis
Among 72 other explainer videos tagged Cosmology & astrophysics, the mean is 2.6 distinct HN recommenders. This video has 3 distinct HN recommenders, about 1.2× 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.
50% of its 6 labeled comments are marked as recommendations or strong recommendations. HN mention years are 2018–2020; those years describe discussion history, not upload date. Its verified runtime is 15 minutes 48 seconds. YouTube lists its publication date as 2018-10-03.
- Channel / speaker
- PBS Space Time
- Verified runtime
- 15m 48s
- YouTube upload date
- 2018-10-03
- Hacker News mention years
- 2018–2020
SAME TOPIC AND FORMAT
Compare with related videos
The comparison cohort uses other explainer videos in Cosmology & astrophysics. “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 |
|---|---|---|---|---|---|---|
| How to Detect Extra DimensionsCurrent video | 3 | 1 | 50% | — | 15m 48s | 2018-10-03 |
| The Solar Gravitational Lens will Map Exoplanets. Seriously.explainer · Launch Pad Astronomy | 10 | 9 | 65% | No recorded overlap | 23m 32s | 2020-07-18 |
| A new way to visualize General Relativityexplainer · ScienceClic English | 8 | 6 | 89% | No recorded overlap | 11m 33s | 2020-09-03 |
| How to Understand What Black Holes Look Likeexplainer · Veritasium | 8 | 4 | 80% | No recorded overlap | 9m 19s | 2019-04-09 |
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 “LIGO Black hole merger may have optical confirmation”. Its short rationale: Neutron star merger observation constraining higher-dimensional gravity.
The archive classifies this as a contextual reference in “The Forgotten Solution: Superdeterminism”. Its short rationale: Gravitational wave detectors tested number of dimensions gravity acts in.
The archive classifies this as a contextual reference in “Beyond Einstein: Physicists find surprising connections in the cosmos”. Its short rationale: Gravitational wave limits on number of dimensions.