https://physicsworld.com/a/neutrons-sniff-out-salt-damage-inside-concrete-structures/

Neutrons sniff-out salt damage inside concrete structures

13 Jan 2019
Neutrons RIKEN
Salt seeker: artist’s impression of compact neutron source and data analysis system being used to inspect concrete in a bridge. (Courtesy: RIKEN)

Technique detects chlorine atoms without having to drill into materials