explainer · HACKER NEWS RECOMMENDATION
Get Perpendicular
teraera08 · 2 HN recommenders · 2 recommendation months
Recommended by 2 Hacker News commenters across 2 months (2011–2026).
SignalTube analysis
There are too few matching explainer videos tagged Hardware (other) for a stable peer comparison. This video has 2 distinct HN recommenders across 2 recommendation months. This is a data-derived comparison, not a human review or quality rating.
40% of its 5 labeled comments are marked as recommendations or strong recommendations. HN mention years are 2011–2026; those years describe discussion history, not upload date. Its verified runtime is 3 minutes 25 seconds. YouTube lists its publication date as 2008-07-09.
- Channel / speaker
- teraera08
- Verified runtime
- 3m 25s
- YouTube upload date
- 2008-07-09
- Hacker News mention years
- 2011–2026
SAME TOPIC AND FORMAT
Compare with related videos
The comparison cohort uses other explainer videos in Hardware (other). “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 |
|---|---|---|---|---|---|---|
| Get PerpendicularCurrent video | 2 | 2 | 40% | — | 3m 25s | 2008-07-09 |
| How does Computer Memory Work? 💻🛠explainer · Branch Education | 5 | 4 | 100% | No recorded overlap | 35m 33s | 2022-11-04 |
| Why Your Webcam Still SUCKS!explainer · Techquickie | 1 | 1 | 33% | No recorded overlap | 4m 42s | 2020-02-18 |
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 “What Is Z-Angle Memory and Why Is Intel Developing It?”. Its short rationale: the source snapshot has no short rationale for this mention.
The archive classifies this as a recommendation in “Ask HN: What's your favorite illustration in Computer Science?”. Its short rationale: Animated explanation of perpendicular disc storage.
The archive classifies this as a contextual reference in “Western Digital admits 2TB-6TB WD Red NAS drives use shingled magnetic recording”. Its short rationale: Hitachi's Schoolhouse Rock style perpendicular recording commercial.