With large-scale energy storage, giant batteries would absorb wind and solar energy when it’s not needed, and release it when it is.

Solar adoption has faced significant challenges due to aesthetic conflicts and regulatory restrictions, particularly in areas with heritage-protected buildings and traditional terracotta roofs.

The current generation of USB-powered soldering irons have a lot going for them, chief among them being portability and automatic start and stop. But an iron that turns off in the middle of ...