tracks and traces personal blog
$5 whale listening hydrophone making workshop
Whale songs were first noticed by accident, when analysts tracking Russian submarines at the height of the cold war heard cetacean interference instead. An engineer sent some recordings to Roger Payne, a biologist friend of his, who did something that proved pivotal: he played the hours-long recordings on his hi-fi at…
- Points
- 105
- HN comments
- 40
- Submissions
- 1
- Cited by
- 0 commenters
Hardware & ElectronicsScience & Space2025
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Dec 11, 2025 | $5 whale listening hydrophone making workshop by gsf_emergency_6 | 105 | 40 |
