Heating Buildings With Solar Energy Stored in Sand
Cars That Think
JANUARY 18, 2023
Their journey began with a question posed by its founders, Tommi Eronen and Markku Ylönen, when they were university classmates: “Is it possible to build an energy-self-sufficient and cost-effective hippie commune for engineers using only solar power?” Sand is efficient, nontoxic, portable, and cheap!”. “We Eronen says, laughing.
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