A disused coal mine in Wollongong will be the first test site for a renewable energy company that lowers weights down old ...

Gravity storage could help New South Wales stabilise renewable energy, turning disused coal mines into long-duration storage ...

The architects behind the Burj Khalifa in Dubai — the world’s tallest building, for those keeping score — are teaming up with a startup to turn future skyscrapers into massive, gravity-powered ...