We went to Finland to hear about the new ‘sand battery’ that will turn stored renewable energy back into power for the electrical grid

PORNAINEN, Finland ‪—‬ Engineers will soon begin testing a new “sand battery” that will convert energy stored as heat back into power that can be fed into the electricity grid. However, they say challenges lie ahead, with investment cost potentially putting customers off. Polar Night Energy’s existing sand battery model stores renewable electricity by using…

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Severe Tropical Cyclone Maila on track to hit far north Queensland three weeks after Narelle tore through | Australia weather

Severe Tropical Cyclone Maila on track to hit far north Queensland three weeks after Narelle tore through | Australia weather

Another cyclone may hit the Queensland coast just over three weeks after the same area was smashed by Severe Tropical Cyclone Narelle, the Bureau of Meteorology says. But a meteorologist warned forecasts predicting the path and strength of Severe Tropical Cyclone Maila remained uncertain, with the storm likely to make landfall over the weekend. Maila…

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