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EVs are taking on combustion engines in a rallycross ‘Battle of Technologies’

Image: FIA World Rallycross Championship After two seasons of all-electric racing, the World Rallycross Championship (or World RX) held its first mixed powertrain races between electric and internal combustion engine (ICE) cars this weekend in Höljes, Sweden. Unlike traditional point-to-point rally racing, rallycross puts those cars on a circuit, but with similar racing over dirt

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Korean Multifunction Counter Teardown

[Thomas Scherrer] likes to tear down old test equipment, and often, we remember the devices he opens up or — at least — we’ve heard of them. However, this time, he’s got a Hung Chang HC-F100 multifunction counter, which is a vintage 1986 instrument that can reach 100 MHz. Inside, the product is clearly a

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Is AirBNB Really Worsening the Housing Crisis?

An anonymous reader shared this report from the BBC: On 21 June, Barcelona mayor Jaume Collboni announced plans to ban short term rentals in the city starting in November 2028. The decision is designed to solve what Collboni described as “Barcelona’s biggest problem” — the housing crisis that has seen residents and workers priced out

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Is AirBNB Really Worsening the Housing Crisis?

An anonymous reader shared this report from the BBC: On 21 June, Barcelona mayor Jaume Collboni announced plans to ban short term rentals in the city starting in November 2028. The decision is designed to solve what Collboni described as “Barcelona’s biggest problem” — the housing crisis that has seen residents and workers priced out

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New Battery Has no Anode

Conventional batteries have anodes and cathodes, but a new design from the University of Chicago and the University of California San Diego lacks an anode. While this has been done before, according to the University, this is the first time a solid-state sodium battery has successfully used this architecture. Sodium is abundant compared to lithium,

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