Sonar
AssessTechniques
Acoustic sensing method used to map and detect objects or seabed features underwater.
Why it's here
Placed in Assess: 1 article(s) of evidence from 1 source(s), led by research-stage coverage, with 1 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.
Evidence (1)
- 7Hacker News·7/21/2026researchThriving coral reef rediscovered off Benin after 60 years
Scientists in Benin have rediscovered a thriving coral reef off the country's coast, more than 60 years after surveyors first reported signs of it. The site supports at least eight coral types and eight fish species, and the discovery was made using sonar surveys and deep-sea camera imaging.