Self-healing concrete and coatings can seal small defects—but can they be trusted in real bridges and buildings? Explore where the technology works, where it fails, and what engineers must verify. 🔍🧱💧

Self-healing concrete and coatings can seal small defects—but can they be trusted in real bridges and buildings? Explore where the technology works, where it fails, and what engineers must verify. 🔍🧱💧