Monday, December 19, 2022

New top story on Hacker News: World record back at HZB: Tandem solar cell achieves 32.5 percent efficiency

World record back at HZB: Tandem solar cell achieves 32.5 percent efficiency
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A ban on food dye in West Virginia has forged an unlikely alliance

Article URL: https://www.theguardian.com/us-news/2025/mar/30/west-virginia-food-dye-ban Comments URL: https://news.ycombinator.com/item?id=...