Williams and Alcaraz to play US Open mixed doubleshttps://www.bbc.co.uk/sport/tennis/articles/c4g3gp9k2njo
Serena Williams will pair up with Carlos Alcaraz for the mixed doubles at the US Open at Flushing Meadows.
🔍 Search
Several killed in Russia’s ‘double-tap’ drone strike on Ukraine mallhttps://www.aljazeera.com/video/newsfeed/2026/8/22/several-killed-in-russias-double-tap-drone-strike-on-ukraine-mall
Ukraine’s president accuses Russia of a ‘cowardly and deliberate’ attack on a mall in his hometown of Kryvyi Rih.
Show HN: Rotation via Double Reflectionhttps://static.laszlokorte.de/rotor-reflect
While studying Geometric Algebra I have built some interactive visualization to demonstrate how geometric transformations (rotation, scaling, translation) can be constructed by just composing reflections. Accepting reflection as the most elementary geometric operation was an eye opening moment for me. I think some of you might enjoy the interactive visuals. Comments URL: https://news.ycombinator.com/item?id=49391168 Points: 7 # Comments: 0