explainer · HACKER NEWS RECOMMENDATION
e^(iπ) in 3.14 minutes, using dynamics | DE5
3Blue1Brown · 4 HN recommenders · 4 recommendation months
Recommended by 4 Hacker News commenters across 4 months (2020–2021).
SignalTube analysis
Among 105 other explainer videos tagged Recreational & visual math, the mean is 3.8 distinct HN recommenders. This video has 4 distinct HN recommenders, close to that mean. Recommendations span 4 distinct months; the peer average is 3.5 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 2020–2021; those years describe discussion history, not upload date. Its verified runtime is 4 minutes 8 seconds. YouTube lists its publication date as 2019-07-07.
- Channel / speaker
- 3Blue1Brown
- Verified runtime
- 4m 8s
- YouTube upload date
- 2019-07-07
- Hacker News mention years
- 2020–2021
SAME TOPIC AND FORMAT
Compare with related videos
The comparison cohort uses other explainer videos in Recreational & visual math. “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 |
|---|---|---|---|---|---|---|
| e^(iπ) in 3.14 minutes, using dynamics | DE5Current video | 4 | 4 | 100% | — | 4m 8s | 2019-07-07 |
| But what is the Fourier Transform? A visual introduction.explainer · 3Blue1Brown | 16 | 15 | 80% | No recorded overlap | 19m 42s | 2018-01-26 |
| But what is a neural network? | Deep learning chapter 1explainer · 3Blue1Brown | 16 | 14 | 84% | No recorded overlap | 18m 40s | 2017-10-05 |
| The Beauty of Bézier Curvesexplainer · Freya Holmér | 16 | 13 | 85% | No recorded overlap | 24m 26s | 2021-08-19 |
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 “Show HN: Kalk, A calculator with math syntax, complex numbers”. Its short rationale: Builds intuition for Euler's identity, though glosses over rotation by i.
The archive classifies this as a strong recommendation in “Ask HN: What YouTube channels do you subscribe to?”. Its short rationale: Great first 3Blue1Brown video on how e^pi*i works.
The archive classifies this as a recommendation in “Alternative notation for exponents, logs and roots? (2011)”. Its short rationale: Geometric understanding of e to the pi i.