long-duration storage

The Battery That Rusts on Purpose to Keep the Lights On for Days

Google and Xcel Energy just announced the largest grid battery ever proposed: 30 gigawatt-hours of storage built to run for 100 hours straight by rusting iron on command. It is a bet that patience, not speed, is what lets solar and wind power an AI data centre around the clock.

The Future of Video Editing? Tell Google's AI What to Change — and It Does It

Plus: a humanoid robot pulls a multi-day shift, a monthly shot that silences a gene, a battery made of CO2, NASA's private cargo run to the Moon, and a quantum computer that fits in a server rack.