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Heating Buildings With Solar Energy Stored in Sand

Cars That Think

In a region known for long, dark winter nights, Polar Night Energy is building a system in the city of Tampere that can heat buildings with stored solar energy — all day, all night, and all winter long. This means that storing and distributing energy is as important as its generation. The apparent contradictions do not end there.

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EV Guru: Sodium-Ion Batteries are Coming Sooner Than You think!

Plug In India

” Musk pointed to data from the information service World of Statistics showing that the price of lithium hydroxide had risen to $78,032 per metric ton from $6,800 in 2019. The big issue with sodium-ion batteries is that they can store only about two-thirds of the energy of Li-ion batteries of equivalent size.

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EV Chargers for All!

Cars That Think

There were two Level 2 charging stations about six blocks away in a grocery store parking lot, but that was not a convenient or reliable option. Nor is it surprising, as a University of California, Berkeley study found, that homeowners purchase EVs at nearly six times the rate of renters. households. light-duty vehicle sales.

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When New York City Was a Wiretapper’s Dream

Cars That Think

Tiny, cheap, and almost impossible to detect in action, induction coils were in wide use in wiretapping operations of all sorts by the late 1930s, and nowhere more so than in New York. Excerpted from The Listeners: A History of Wiretapping in the United States by Brian Hochman , published by Harvard University Press (2022).