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Stories from April 18, 2026 (UTC)
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1.
Migrating from DigitalOcean to Hetzner (isayeter.com)
841 points by yusufusta 1 day ago | 415 comments
2.
Why Japan has such good railways (worksinprogress.co)
475 points by RickJWagner 1 day ago | 446 comments
3.
All 12 moonwalkers had "lunar hay fever" from dust smelling like gunpowder (2018) (esa.int)
449 points by cybermango 1 day ago | 264 comments
4.
State of Kdenlive (kdenlive.org)
434 points by f_r_d 1 day ago | 132 comments
5.
Anonymous request-token comparisons from Opus 4.6 and Opus 4.7 (billchambers.me)
574 points by anabranch 23 hours ago | 546 comments
6.
The electromechanical angle computer inside the B-52 bomber's star tracker (righto.com)
379 points by NelsonMinar 23 hours ago | 97 comments
7.
Sumida Aquarium Posts 2026 Penguin Relationship Chart, with Drama and Breakups (sumida-aquarium.com)
231 points by Lwrless 3 days ago | 16 comments
8.
Michael Rabin has died (wikipedia.org)
408 points by tkhattra 3 days ago | 83 comments
9.
Are the costs of AI agents also rising exponentially? (2025) (tobyord.com)
300 points by louiereederson 4 days ago | 125 comments
10.
Amiga Graphics Archive (lychesis.net)
254 points by sph 1 day ago | 79 comments
11.
NIST scientists create 'any wavelength' lasers (nist.gov)
372 points by rbanffy 19 hours ago | 159 comments
12.
Hyperscalers have already outspent most famous US megaprojects (twitter.com/finmoorhouse)
279 points by nowflux 1 day ago | 269 comments
13.
"cat readme.txt" is not safe if you use iTerm2 (calif.io)
302 points by arkadiyt 1 day ago | 181 comments
14.
Category Theory Illustrated – Orders (abuseofnotation.github.io)
243 points by boris_m 1 day ago | 62 comments
15.
Brunost: The Nynorsk Programming Language (lindbakk.com)
139 points by atomfinger 5 days ago | 72 comments
16.
Thoughts and feelings around Claude Design (samhenri.gold)
345 points by cdrnsf 20 hours ago | 221 comments
17.
Show HN: I made a calculator that works over disjoint sets of intervals (victorpoughon.github.io)
303 points by fouronnes3 1 day ago | 51 comments
18.
Towards trust in Emacs (eshelyaron.com)
186 points by eshelyaron 4 days ago | 31 comments
19.
Slop Cop (awnist.com)
237 points by ericHosick 2 days ago | 159 comments
20.
Scientists discover “cleaner ants” that groom giant ants in Arizona desert (sciencedaily.com)
114 points by t-3 3 days ago | 43 comments
21.
Show HN: MDV – a Markdown superset for docs, dashboards, and slides with data (github.com/drasimwagan)
132 points by drasim 1 day ago | 48 comments
22.
Optimizing Ruby Path Methods (byroot.github.io)
120 points by weaksauce 19 hours ago | 44 comments
23.
It's OK to compare floating-points for equality (lisyarus.github.io)
208 points by coinfused 4 days ago | 130 comments
24.
80386 Memory Pipeline (nand2mario.github.io)
113 points by wicket 4 days ago | 17 comments
25.
Landmark ancient-genome study shows surprise acceleration of human evolution (nature.com)
116 points by unsuspecting 1 day ago | 145 comments
26.
Understanding the FFT Algorithm (2013) (jakevdp.github.io)
105 points by peter_d_sherman 4 days ago | 11 comments
27.
Fuzix OS (fuzix.org)
107 points by DeathArrow 1 day ago | 29 comments
28.
The simple geometry behind any road (sandboxspirit.com)
139 points by azhenley 3 days ago | 16 comments
29.
The Unix executable as a Smalltalk method (2025) [video] (youtube.com)
69 points by surprisetalk 3 days ago | 5 comments
30.
The quiet disappearance of the free-range childhood (bigthink.com)
240 points by sylvainkalache 1 day ago | 256 comments

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