But solar and wind are variable and need energy storage. That is where pumped hydro energy storage and batteries come in. Both are off-the-shelf technologies. And both are already being used on a ...

Pumped hydro currently provides most of the energy storage for the electricity industry, offering large-scale, low-cost, off-the-shelf energy storage in unlimited quantities. Australia’s future ...

We’ve found the ultimate new craft for you to try – and the good news is your teens should love it, too: hydro dipping! A craft technique that originated in the US, hydrographic dipping (shorted to ...