The country has an ambitious goal to reach $12 billion in mining exports in 2023, but industry leaders say they can’t get ahead without reliable electricity.
A start-up in Finland unveils the world’s first commercial heat storage system using sand to solve the problem of the variability of solar and wind power.
Prof. John Goodenough discovered the advance that made the lithium-ion battery — and the wireless world — possible. But now another breakthrough is needed.