80 Category Theory Illustrated – Orders (abuseofnotation.github.io) by boris_m • about 4 hours ago • 20 comments
171 Show HN: I made a calculator that works over disjoint sets of intervals (victorpoughon.github.io) by fouronnes3 • about 9 hours ago • 30 comments
49 America Lost the Mandate of Heaven (geohot.github.io) by mefengl • about 3 hours ago • 32 comments
614 Measuring Claude 4.7's tokenizer costs (claudecodecamp.com) by aray07 • about 19 hours ago • 438 comments
338 All 12 moonwalkers had "lunar hay fever" from dust smelling like gunpowder (2018) (esa.int) by cybermango • about 16 hours ago • 196 comments
213 Spending 3 months coding by hand (miguelconner.substack.com) by evakhoury • about 18 hours ago • 222 comments
34 It is incorrect to "normalize" // in HTTP URL paths (runxiyu.org) by pabs3 • about 5 hours ago • 24 comments
213 Are the costs of AI agents also rising exponentially? (2025) (tobyord.com) by louiereederson • 3 days ago • 57 comments
48 Rewriting Every Syscall in a Linux Binary at Load Time (amitlimaye1.substack.com) by riteshnoronha16 • 4 days ago • 16 comments
8 Show HN: Sfsym – Export Apple SF Symbols as Vector SVG/PDF/PNG (github.com) by olliewagner • about 7 hours ago
339 Show HN: Smol machines – subsecond coldstart, portable virtual machines (github.com) by binsquare • about 17 hours ago • 105 comments
193 "cat readme.txt" is not safe if you use iTerm2 (blog.calif.io) by arkadiyt • about 16 hours ago • 111 comments
198 Show HN: PanicLock – Close your MacBook lid disable TouchID –> password unlock (github.com) by seanieb • about 18 hours ago • 88 comments
6 It's OK to compare floating-points for equality (lisyarus.github.io) by coinfused • 4 days ago • 2 comments
199 Hyperscalers have already outspent most famous US megaprojects (twitter.com) by nowflux • about 18 hours ago • 158 comments
239 Middle schooler finds coin from Troy in Berlin (thehistoryblog.com) by speckx • about 20 hours ago • 110 comments
84 Landmark ancient-genome study shows surprise acceleration of human evolution (nature.com) by unsuspecting • about 12 hours ago • 72 comments
56 The Unix executable as a Smalltalk method (2025) [video] (youtube.com) by surprisetalk • 2 days ago • 4 comments
1 Arc Prize Foundation (YC W26) Is Hiring a Platform Engineer for ARC-AGI-4 (ycombinator.com) by gkamradt_ • about 14 hours ago
698 Ban the sale of precise geolocation (lawfaremedia.org) by hn_acker • about 20 hours ago • 178 comments
115 I built a 3D printing business and ran it for 8 months (wespiser.com) by wespiser_2018 • 3 days ago • 98 comments
717 Isaac Asimov: The Last Question (1956) (hex.ooo) by ColinWright • about 23 hours ago • 282 comments
45 Generating a color spectrum for an image (amandahinton.com) by evakhoury • 3 days ago • 8 comments
95 Connie Converse was a folk-music genius. Then she vanished (bbc.com) by mellosouls • 3 days ago • 20 comments
263 Ada, its design, and the language that built the languages (iqiipi.com) by mpweiher • 1 day ago • 186 comments
170 Healthchecks.io now uses self-hosted object storage (blog.healthchecks.io) by zdw • about 20 hours ago • 69 comments
31 "Liberation Day" at OpenAI as multiple senior executives announce leaving (mas.to) by riffraff • about 5 hours ago • 3 comments
64 Webloc: Analysis of Penlink's Ad-Based Geolocation Surveillance Tech (citizenlab.ca) by Cider9986 • 5 days ago
62 The Gregorio project – GPL tools for typesetting Gregorian chant (gregorio-project.github.io) by mcookly • about 19 hours ago • 9 comments
48 Solitaire simulator for finding the best strategy: Current record is 8.590% (github.com) by PaulHoule • 1 day ago • 23 comments
142 Teddy Roosevelt and Abraham Lincoln in the same photo (2010) (prologue.blogs.archives.gov) by bryanrasmussen • 1 day ago • 45 comments