Hunting submarines with magnets: a new way to detect even the quietest boats.
Gist of the article: Stealth subs can evade sonar. But us super-modern hi-tech boffins have suddenly found how to use magnets to detect them! More grants are needed.
Hmm. Ten second search finds this US Navy research from 1920:
The Navy is NOT stupid enough to forget its own past
work. Military and industrial researchers are competent. Only academic research ignores facts and history.
Also, the Navy is NOT stupid enough to publicize its own advanced
Conclusion: The Economist's "science" "writer" was encouraged to write this nonsense as a SQUIRREL!