23 Why Japan has such good railways (worksinprogress.co) by RickJWagner • about 1 hour ago • 9 comments
135 Category Theory Illustrated – Orders (abuseofnotation.github.io) by boris_m • about 7 hours ago • 40 comments
61 It's OK to compare floating-points for equality (lisyarus.github.io) by coinfused • 4 days ago • 33 comments
207 Show HN: I made a calculator that works over disjoint sets of intervals (victorpoughon.github.io) by fouronnes3 • about 12 hours ago • 40 comments
632 Measuring Claude 4.7's tokenizer costs (claudecodecamp.com) by aray07 • about 22 hours ago • 450 comments
38 Flock Condemns False Child Predator Allegations, Yet Calls Critics Terrorists (ipvm.com) by jhonovich • about 2 hours ago • 13 comments
372 All 12 moonwalkers had "lunar hay fever" from dust smelling like gunpowder (2018) (esa.int) by cybermango • about 19 hours ago • 221 comments
43 The quiet disappearance of the free-range childhood (bigthink.com) by sylvainkalache • about 2 hours ago • 38 comments
241 Spending 3 months coding by hand (miguelconner.substack.com) by evakhoury • about 21 hours ago • 255 comments
241 Are the costs of AI agents also rising exponentially? (2025) (tobyord.com) by louiereederson • 3 days ago • 85 comments
369 Show HN: Smol machines – subsecond coldstart, portable virtual machines (github.com) by binsquare • about 20 hours ago • 119 comments
66 Rewriting Every Syscall in a Linux Binary at Load Time (amitlimaye1.substack.com) by riteshnoronha16 • 5 days ago • 26 comments
223 "cat readme.txt" is not safe if you use iTerm2 (blog.calif.io) by arkadiyt • about 19 hours ago • 132 comments
226 Hyperscalers have already outspent most famous US megaprojects (twitter.com) by nowflux • about 21 hours ago • 178 comments
213 Show HN: PanicLock – Close your MacBook lid disable TouchID –> password unlock (github.com) by seanieb • about 21 hours ago • 98 comments
248 Middle schooler finds coin from Troy in Berlin (thehistoryblog.com) by speckx • about 23 hours ago • 115 comments
16 Show HN: Sfsym – Export Apple SF Symbols as Vector SVG/PDF/PNG (github.com) by olliewagner • about 10 hours ago • 4 comments
92 Landmark ancient-genome study shows surprise acceleration of human evolution (nature.com) by unsuspecting • about 15 hours ago • 92 comments
59 The Unix executable as a Smalltalk method (2025) [video] (youtube.com) by surprisetalk • 2 days ago • 4 comments
715 Ban the sale of precise geolocation (lawfaremedia.org) by hn_acker • about 23 hours ago • 180 comments
1 Arc Prize Foundation (YC W26) Is Hiring a Platform Engineer for ARC-AGI-4 (ycombinator.com) by gkamradt_ • about 17 hours ago
119 I built a 3D printing business and ran it for 8 months (wespiser.com) by wespiser_2018 • 3 days ago • 102 comments
266 Ada, its design, and the language that built the languages (iqiipi.com) by mpweiher • 1 day ago • 188 comments
173 Healthchecks.io now uses self-hosted object storage (blog.healthchecks.io) by zdw • about 23 hours ago • 69 comments
100 Connie Converse was a folk-music genius. Then she vanished (bbc.com) by mellosouls • 3 days ago • 21 comments
47 Generating a color spectrum for an image (amandahinton.com) by evakhoury • 3 days ago • 10 comments
65 Webloc: Analysis of Penlink's Ad-Based Geolocation Surveillance Tech (citizenlab.ca) by Cider9986 • 5 days ago
63 The Gregorio project – GPL tools for typesetting Gregorian chant (gregorio-project.github.io) by mcookly • about 22 hours ago • 9 comments
49 Solitaire simulator for finding the best strategy: Current record is 8.590% (github.com) by PaulHoule • 1 day ago • 25 comments