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Stories from April 18, 2026 (UTC)
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1.
Migrating from DigitalOcean to Hetzner (isayeter.com)
674 points by yusufusta 11 hours ago | 348 comments
2.
All 12 moonwalkers had "lunar hay fever" from dust smelling like gunpowder (2018) (esa.int)
437 points by cybermango 1 day ago | 255 comments
3.
Michael Rabin has died (wikipedia.org)
387 points by tkhattra 3 days ago | 80 comments
4.
Show HN: I made a calculator that works over disjoint sets of intervals (victorpoughon.github.io)
292 points by fouronnes3 1 day ago | 50 comments
5.
Are the costs of AI agents also rising exponentially? (2025) (tobyord.com)
294 points by louiereederson 3 days ago | 116 comments
6.
Towards trust in Emacs (eshelyaron.com)
179 points by eshelyaron 3 days ago | 27 comments
7.
Amiga Graphics Archive (lychesis.net)
231 points by sph 18 hours ago | 71 comments
8.
Category Theory Illustrated – Orders (abuseofnotation.github.io)
227 points by boris_m 18 hours ago | 59 comments
9.
Slop Cop (awnist.com)
232 points by ericHosick 1 day ago | 155 comments
10.
Brunost: The Nynorsk Programming Language (lindbakk.com)
133 points by atomfinger 5 days ago | 72 comments
11.
State of Kdenlive (kdenlive.org)
332 points by f_r_d 13 hours ago | 111 comments
12.
Hyperscalers have already outspent most famous US megaprojects (twitter.com/finmoorhouse)
271 points by nowflux 1 day ago | 264 comments
13.
"cat readme.txt" is not safe if you use iTerm2 (calif.io)
289 points by arkadiyt 1 day ago | 176 comments
14.
Landmark ancient-genome study shows surprise acceleration of human evolution (nature.com)
108 points by unsuspecting 1 day ago | 131 comments
15.
Anonymous request-token comparisons from Opus 4.6 and Opus 4.7 (billchambers.me)
418 points by anabranch 9 hours ago | 425 comments
16.
Why Japan has such good railways (worksinprogress.co)
302 points by RickJWagner 12 hours ago | 302 comments
17.
It's OK to compare floating-points for equality (lisyarus.github.io)
181 points by coinfused 4 days ago | 116 comments
18.
The simple geometry behind any road (sandboxspirit.com)
125 points by azhenley 2 days ago | 15 comments
19.
The Unix executable as a Smalltalk method (2025) [video] (youtube.com)
65 points by surprisetalk 2 days ago | 5 comments
20.
The electromechanical angle computer inside the B-52 bomber's star tracker (righto.com)
265 points by NelsonMinar 8 hours ago | 76 comments
21.
Sumida Aquarium Posts 2026 Penguin Relationship Chart, with Drama and Breakups (sumida-aquarium.com)
161 points by Lwrless 3 days ago | 5 comments
22.
The quiet disappearance of the free-range childhood (bigthink.com)
190 points by sylvainkalache 13 hours ago | 195 comments
23.
80386 Memory Pipeline (nand2mario.github.io)
85 points by wicket 4 days ago | 11 comments
24.
Casus Belli Engineering (marcosmagueta.com)
69 points by b-man 1 day ago | 16 comments
25.
Rewriting Every Syscall in a Linux Binary at Load Time (amitlimaye1.substack.com)
87 points by riteshnoronha16 4 days ago | 40 comments
26.
Show HN: MDV – a Markdown superset for docs, dashboards, and slides with data (github.com/drasimwagan)
90 points by drasim 9 hours ago | 34 comments
27.
Scientists discover “cleaner ants” that groom giant ants in Arizona desert (sciencedaily.com)
74 points by t-3 3 days ago | 26 comments
28.
Fuzix OS (fuzix.org)
74 points by DeathArrow 9 hours ago | 24 comments
29.
A Dumb Introduction to Z3 (2025) (ar-ms.me)
66 points by y1n0 4 days ago | 26 comments
30.
Thoughts and feelings around Claude Design (samhenri.gold)
219 points by cdrnsf 5 hours ago | 151 comments

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