6.15.25 | Reimplemented Stable Diffusion 3.5 in PyTorch, Waymo rides pricier than Uber/Lyft, TimeGuessr

This is a recap of the top 10 posts on Hacker News on Jun 15, 2025.I have reimplemented Stable Diffusion 3.5 from scratch in pure PyTorchhttps://github.com/yousef-rafat/miniDiffusionhttps://news.ycombinator.com/item?id=44276476Waymo rides cost more than Uber or Lyft and people are paying anywayhttps://techcrunch.com/2025/06/12/waymo-rides-cost-more-than-uber-or-lyft-and-people-are-paying-anyway/https://news.ycombinator.com/item?id=44258139TimeGuessrhttps://timeguessr.com/https://news.ycombinator.com/item?id=44233063Seven replies to the viral Apple reasoning paper and why they fall shorthttps://garymarcus.substack.com/p/seven-replies-to-the-viral-applehttps://news.ycombinator.com/item?id=44278403Solar Orbiter gets world-first views of the Sun's poleshttps://www.esa.int/Science_Exploration/Space_Science/Solar_Orbiter/Solar_Orbiter_gets_world-first_views_of_the_Sun_s_poleshttps://news.ycombinator.com/item?id=44252717SIMD-friendly algorithms for substring searching (2016)http://0x80.pl/notesen/2016-11-28-simd-strfind.htmlhttps://news.ycombinator.com/item?id=44274001Last fifty years of integer linear programming: Recent practical advanceshttps://inria.hal.science/hal-04776866v1https://news.ycombinator.com/item?id=44274567Infinite Grid of Resistorshttps://www.mathpages.com/home/kmath668/kmath668.htmhttps://news.ycombinator.com/item?id=44279181The Many Sides of Erik Satiehttps://thereader.mitpress.mit.edu/the-many-sides-of-erik-satie/https://news.ycombinator.com/item?id=44216921Inside the Apollo “8-Ball” FDAI (Flight Director / Attitude Indicator)https://www.righto.com/2025/06/inside-apollo-fdai.htmlhttps://news.ycombinator.com/item?id=44277051