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ScienceQuiet 41d · day 41

Chinese researchers unveil Hall-effect sensor that could detect submarines 500m deep

CAS-affiliated scientists say their new magnetic sensor is sensitive enough to spot deep-sea magnetic anomalies, raising the prospect of miniaturized submarine-detection tech.

What to know

  • Chinese Academy of Sciences-affiliated researchers built a Hall-effect magnetic sensor sensitive enough to register magnetic anomalies from objects like submarines at around 500 metres depth.
  • The story frames the breakthrough with a speculative scenario of a smartwatch-scale device issuing submarine-detection alerts, though no such consumer product exists yet.
  • Coverage so far consists of a single SCMP report; it has been reposted on Reddit and Mastodon without generating substantive discussion.

Hefei Institutes of Physical Science Research institute (CAS)Ningbo Institute of Materials Technology and Engineering Research institute (CAS)Chinese Academy of Sciences Parent research body

The record 1 articles and posts · last 30 days

  1. Chinese magnetic sensor breakthrough may help smartwatch detect submarine 500 metres deep press · SCMP China · Zhang Tong · 40d ago · +1 outlet