Nearly 20 years ago, Andrew Bissell was sitting in the living room of his beachfront home in the Edinburgh area. He and his wife, Susan Lang-Bissell, had just sold their medical imaging startup, and ...

Rondo Energy hopes hot bricks could help clean up manufacturing. Rondo Energy just turned on what it says is the world’s largest thermal battery, an energy storage system that can take in electricity ...

The systems, which can store clean energy as heat, were chosen by readers as the 11th Breakthrough Technology of 2024. We need heat to make everything from steel bars to ketchup packets. Today, a ...