The world loses $2.5 trillion a year to corrosion.

A new coating just made that problem solvable.
Traditional coatings fail once. They crack, water gets in, metal rusts. Game over.
Self-healing coatings work differently. Millions of microcapsules are embedded just below the surface, each filled with a healing agent.
When the coating cracks, the capsules in that zone rupture and release the agent directly into the breach.
It reacts with a catalyst already present in the surrounding material and polymerizes, forming a new solid seal within hours.
No human. No maintenance crew. The material fixes itself at the exact point of damage.
They now survive industrial conditions. Bridges, pipelines, ships, offshore wind. The first targets are already identified.
If this scales, the entire maintenance economy for physical infrastructure gets repriced.