22/08/2026

Energy & Green Tech

In US, rare earths extracted from coal mine wastewater

In the Appalachian region stretching through the U.S. state of West Virginia, reddish water flowing out of retired coal mines is acidic, full of heavy metals and toxic to the environment.

Machine learning & AI

AI agents can build consensus on a scale humans can't

Everyone is familiar with the situation: A larger group of people plans to visit a restaurant together, but it can take time and sometimes a great deal of patience to agree on a time and place to meet. The better the participants ...