DTF:HN for June 20, 2026

Your Daily Tech Feed covering the top 10 stories on Hacker News for June 20, 2026. Featuring: I Stored a Website in a Favicon, Where to Find the Colors Your Screen Can't Show You, Data Compression Explained (2012), There are no instances in ATProto, Can you see three trees?, and more. Stories covered: 1. I Stored a Website in a Favicon https://www.timwehrle.de/blog/i-stored-a-website-in-a-favicon/ HN discussion: https://news.ycombinator.com/item?id=48606619 2. Where to Find the Colors Your Screen Can't Show You https://moultano.wordpress.com/2026/06/19/where-to-find-the-colors-your-screen-cant-show-you/ HN discussion: https://news.ycombinator.com/item?id=48606140 3. Data Compression Explained (2012) https://mattmahoney.net/dc/dce.html HN discussion: https://news.ycombinator.com/item?id=48562662 4. There are no instances in ATProto https://overreacted.io/there-are-no-instances-in-atproto/ HN discussion: https://news.ycombinator.com/item?id=48599515 5. Can you see three trees? https://www.not-ship.com/can-you-see-three-trees/ HN discussion: https://news.ycombinator.com/item?id=48582374 6. The discovery that changed how scientists think about memory https://www.ibm.com/think/news/discovery-changed-how-scientists-think-about-memory-kavli-prize HN discussion: https://news.ycombinator.com/item?id=48568652 7. Surprising economics of load-balanced systems https://brooker.co.za/blog/2020/08/06/erlang.html HN discussion: https://news.ycombinator.com/item?id=48602918 8. GPT-5.5 hallucinates 3x more than MIT-licensed GLM-5.2 https://arrowtsx.dev/bigger-models/ HN discussion: https://news.ycombinator.com/item?id=48600167 9. A 1969 camera operators' strike created Upstairs Downstairs multiverse https://ironicsans.ghost.io/the-color-strike/ HN discussion: https://news.ycombinator.com/item?id=48559729 10. Hyundai buys Boston Dynamics https://startupfortune.com/hyundai-takes-full-control-of-boston-dynamics-as-softbank-exits-for-325-million/ HN discussion: https://news.ycombinator.com/item?id=48600312