Mild Electrical Currents Show Promise in Combating Coastal Erosion

New research demonstrates an innovative, cost-effective method to fortify shorelines using naturally occurring minerals and low-voltage electricity.

Researchers at Northwestern University have developed a technique that uses mild electrical currents to turn marine sand into a rock-like substance, reducing erosion risks.
Inspired by the natural processes of shell-dwelling marine life, the method leverages dissolved minerals in seawater to create a natural cement between sand grains.
The process is eco-friendly, cost-effective, and reversible, with the potential to protect coastlines for decades.
Current approaches to coastal protection, such as sea walls and cement injections, are expensive and often ineffective in the long term.
Field tests are planned to validate the laboratory results and explore practical applications on actual coastlines.