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This is a recap of the top 10 posts on Hacker News on Apr 19, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:18) - Migrating from DigitalOcean to Hetzner (02:10) - Anonymous request-token comparisons from Opus 4.6 and Opus 4.7 (03:46) - Why Japan has such good railways (05:19) - State of Kdenlive (06:35) - The electromechanical angle computer inside the B-52 bomber's star tracker (07:41) - NIST scientists create 'any wavelength' lasers (08:54) - Thoughts and feelings around Claude Design (10:35) - College instructor turns to typewriters to curb AI-written work (11:57) - Sumida Aquarium Posts 2026 Penguin Relationship Chart, with Drama and Breakups (13:04) - Modern Common Lisp with FSet (14:18) - Outro Migrating from DigitalOcean to Hetznerhttps://isayeter.com/posts/digitalocean-to-hetzner-migration/https://news.ycombinator.com/item?id=47815774Anonymous request-token comparisons from Opus 4.6 and Opus 4.7https://tokens.billchambers.me/leaderboardhttps://news.ycombinator.com/item?id=47816960Why Japan has such good railwayshttps://worksinprogress.co/issue/why-japan-has-such-good-railways/https://news.ycombinator.com/item?id=47815395State of Kdenlivehttps://kdenlive.org/news/2026/state-2026/https://news.ycombinator.com/item?id=47815118The electromechanical angle computer inside the B-52 bomber's star trackerhttps://www.righto.com/2026/04/B-52-star-tracker-angle-computer.htmlhttps://news.ycombinator.com/item?id=47817132NIST scientists create 'any wavelength' lasershttps://www.nist.gov/news-events/news/2026/04/any-color-you-nist-scientists-create-any-wavelength-lasers-tiny-circuitshttps://news.ycombinator.com/item?id=47819453Thoughts and feelings around Claude Designhttps://samhenri.gold/blog/20260418-claude-design/https://news.ycombinator.com/item?id=47818700College instructor turns to typewriters to curb AI-written workhttps://sentinelcolorado.com/uncategorized/a-college-instructor-turns-to-typewriters-to-curb-ai-written-work-and-teach-life-lessons/https://news.ycombinator.com/item?id=47818485Sumida Aquarium Posts 2026 Penguin Relationship Chart, with Drama and Breakupshttps://www.sumida-aquarium.com/special/sokanzu/en/2026/https://news.ycombinator.com/item?id=47784395Modern Common Lisp with FSethttps://fset.common-lisp.dev/Modern-CL/Top_html/index.htmlhttps://news.ycombinator.com/item?id=47779659 What is Hacker News Highlights? Daily overview of the Top 10 Hacker News posts. Post and comment summarization by AI.