Heating Buildings With Solar Energy Stored in Sand
Cars That Think
JANUARY 18, 2023
It is a daunting question that a startup called Polar Night Energy, in the small and chilly nation of Finland (Figure 1), is attempting to answer. When you ask people about cleaner energy, they think of electricity,” says Tommi Eronen, CEO of Polar Night Energy. We cannot possibly build full-size prototypes to test all of our ideas.
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