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Researchers at the Pacific Northwest National Laboratory have made a groundbreaking discovery in flow battery design. They used a starch-derived additive called β-cyclodextrin, which boosted the battery's capacity and longevity by 60% in a year-long experiment. This flow battery technology is crucial for large-scale energy storage and could revolutionize the grid's reliability with renewable energy sources. The use of β-cyclodextrin offers a sustainable alternative to costly mined minerals used in existing flow batteries.

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BBC News - TechnologyTuesday, July 25, 2023 05:34Workers taking down the Twitter sign at its San Francisco headquarters paused their work after police arrived at the scene. The sign change came after Twitter owner Elon Musk rebranded the social media company to X.Police in San Francisco told the news site Insider that officers at the HQ were responding to "a possible unpermitted street closure."The owners of the building were allegedly not told about the sign removal, local media also reported.Workers managed to take down most of the lettering before their efforts were paused, leaving the letters e and r in place.