The steel tower is a giant mechanical energy storage system, designed by American-Swiss startup Energy Vault, that relies on gravity and 35-ton bricks to store and release energy.

LONDON--(BUSINESS WIRE)--The mechanical energy storage market is expected to grow by 58.27 GigaWatts during 2021-2025, according to Technavio. The report offers a detailed analysis of the impact ...

An international research team has developed mechanical metamaterials with a high elastic energy density. Highly twisted rods that deform helically provide these metamaterials with a high ...