Learning & ideas · Durable canon
Mystery signal from a helicopter
windytan.com · first seen 2014 · unchecked
36.1durability64% evidence confidence
Why it endures
Independent rediscovery across 4 active years.
The score rewards recurring year-relative traction, distinct submitters, and strong appearances separated across HN generations. Link survival does not change cultural durability.
Read the original ↗- Submissions
- 4
- People
- 4
- Peak
- 1101
- Status
- unchecked
Submission history
2014—2023
Bars show the number of normalized submissions in each year. Annual traction inside the score is percentile-adjusted.
Explainable score
Every point has a reason.
Repeat traction7.4/30
Independent discovery12.0/20
Persistence14.2/20
Generational reach0.0/20
Sustained discussion2.5/10
