Physicists should rethink interference experiments to reveal whether or not general relativity follows classical theory, argue Chiara Marletto and Vlatko Vedral. Sixty years ago, physicists ...

What seems like a simple plan — sending a large weight down a deep hole — could help Australia towards net zero emissions. A renewable energy company plans to reuse old mine shafts to create ...

A 12-metre-high prototype of technology that could use abandoned mine shafts to generate renewable electricity has been showcased to the public at an industrial site in Wollongong. Renewable energy ...

AN absolute determination of the acceleration due to gravity at a site in the National Physical Laboratory has recently been completed. It is the first to be made by timing the symmetrical up-and-down ...