demo · HACKER NEWS RECOMMENDATION
Etching small patterns in Glass
Huygens Optics · 4 HN recommenders · 3 recommendation months
Recommended by 4 Hacker News commenters across 3 months (2021–2024).
SignalTube analysis
Among 4 other demo videos tagged Semiconductors & chip manufacturing, the mean is 2.0 distinct HN recommenders. This video has 4 distinct HN recommenders, about 2.0× that mean. Recommendations span 3 distinct months; the peer average is 2.0 months. This is a data-derived comparison, not a human review or quality rating.
100% of its 4 labeled comments are marked as recommendations or strong recommendations. HN mention years are 2021–2024; those years describe discussion history, not upload date. Its verified runtime is 14 minutes 40 seconds. YouTube lists its publication date as 2021-02-23.
- Channel / speaker
- Huygens Optics
- Verified runtime
- 14m 40s
- YouTube upload date
- 2021-02-23
- Hacker News mention years
- 2021–2024
SAME TOPIC AND FORMAT
Compare with related videos
The comparison cohort uses other demo videos in Semiconductors & chip manufacturing. “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 |
|---|---|---|---|---|---|---|
| Etching small patterns in GlassCurrent video | 4 | 3 | 100% | — | 14m 40s | 2021-02-23 |
| "Z2" - Upgraded Homemade Silicon Chipsdemo · Sam Zeloof | 4 | 4 | 40% | No recorded overlap | 5m 46s | 2021-08-13 |
| Homemade Transistor Demonstrationdemo · Jeri Ellsworth | 2 | 2 | 50% | No recorded overlap | 3m 10s | 2010-05-13 |
| Unveiling High NA EUV | ASMLdemo · ASML | 1 | 1 | 25% | No recorded overlap | 1m 39s | 2024-06-05 |
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 “High-speed microscale 3D printing”. Its short rationale: Informative on micro etching glass with HF.
The archive classifies this as a recommendation in “Perfluorocubane is (as you would expect) weird”. Its short rationale: the source snapshot has no short rationale for this mention.
The archive classifies this as a recommendation in “Tesla valve”. Its short rationale: Huygens Optics Tesla valve video.