Germany has developed a groundbreaking self-healing concrete that repairs its own cracks when exposed to rainwater, potentially ending the costly cycle of road and building maintenance. This innovation combines advanced cement chemistry with microencapsulated healing agents, enabling the material to “heal” within days of damage. The technology relies on tiny capsules embedded in the concrete. Inside them, limestone-producing bacteria remain dormant until water seeps into a crack. Once activated,

These 3D-printed biodegradable, self-healing materials can be used to create lifelike artificial hands. | Interesting Engineering