Hundreds of thousands of abandoned mines—about 550,000 in the U.S. alone ... a promising new model for energy storage that combines modern technology with remnants of our industrial past.

produced the industrial feedstock for modern society, and endowed many Western locales with colorful cultural heritages. But the old mines also left behind a legacy of trouble for today’s Westerners.

The Korea Institute of Geoscience and Mineral Resources (KIGAM) is converting a former mine shaft in Taebaek City into a ...

In 1924, coal mining in America was at its peak, employing over 860,000 miners. Today, employment numbers are slightly over ...

Repurposing old mine shafts into gravity batteries is more than just a clever use of existing infrastructure—it's a promising new model for energy storage that combines modern technology with ...