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Stories from April 18, 2026 (UTC)
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1.
Migrating from DigitalOcean to Hetzner (isayeter.com)
795 points by yusufusta 21 hours ago | 401 comments
2.
All 12 moonwalkers had "lunar hay fever" from dust smelling like gunpowder (2018) (esa.int)
447 points by cybermango 1 day ago | 263 comments
3.
Why Japan has such good railways (worksinprogress.co)
428 points by RickJWagner 22 hours ago | 408 comments
4.
State of Kdenlive (kdenlive.org)
408 points by f_r_d 23 hours ago | 124 comments
5.
Anonymous request-token comparisons from Opus 4.6 and Opus 4.7 (billchambers.me)
529 points by anabranch 19 hours ago | 518 comments
6.
Michael Rabin has died (wikipedia.org)
405 points by tkhattra 3 days ago | 82 comments
7.
Are the costs of AI agents also rising exponentially? (2025) (tobyord.com)
299 points by louiereederson 3 days ago | 121 comments
8.
The electromechanical angle computer inside the B-52 bomber's star tracker (righto.com)
346 points by NelsonMinar 19 hours ago | 92 comments
9.
Amiga Graphics Archive (lychesis.net)
250 points by sph 1 day ago | 78 comments
10.
Sumida Aquarium Posts 2026 Penguin Relationship Chart, with Drama and Breakups (sumida-aquarium.com)
221 points by Lwrless 3 days ago | 12 comments
11.
Category Theory Illustrated – Orders (abuseofnotation.github.io)
242 points by boris_m 1 day ago | 61 comments
12.
Hyperscalers have already outspent most famous US megaprojects (twitter.com/finmoorhouse)
275 points by nowflux 1 day ago | 268 comments
13.
"cat readme.txt" is not safe if you use iTerm2 (calif.io)
299 points by arkadiyt 1 day ago | 180 comments
14.
Brunost: The Nynorsk Programming Language (lindbakk.com)
139 points by atomfinger 5 days ago | 72 comments
15.
Show HN: I made a calculator that works over disjoint sets of intervals (victorpoughon.github.io)
302 points by fouronnes3 1 day ago | 51 comments
16.
Towards trust in Emacs (eshelyaron.com)
182 points by eshelyaron 3 days ago | 30 comments
17.
Slop Cop (awnist.com)
236 points by ericHosick 1 day ago | 158 comments
18.
Thoughts and feelings around Claude Design (samhenri.gold)
323 points by cdrnsf 16 hours ago | 201 comments
19.
Scientists discover “cleaner ants” that groom giant ants in Arizona desert (sciencedaily.com)
113 points by t-3 3 days ago | 40 comments
20.
Show HN: MDV – a Markdown superset for docs, dashboards, and slides with data (github.com/drasimwagan)
123 points by drasim 20 hours ago | 44 comments
21.
NIST scientists create 'any wavelength' lasers (nist.gov)
324 points by rbanffy 14 hours ago | 140 comments
22.
It's OK to compare floating-points for equality (lisyarus.github.io)
204 points by coinfused 4 days ago | 126 comments
23.
80386 Memory Pipeline (nand2mario.github.io)
107 points by wicket 4 days ago | 16 comments
24.
Landmark ancient-genome study shows surprise acceleration of human evolution (nature.com)
115 points by unsuspecting 1 day ago | 146 comments
25.
Understanding the FFT Algorithm (2013) (jakevdp.github.io)
97 points by peter_d_sherman 4 days ago | 10 comments
26.
Fuzix OS (fuzix.org)
104 points by DeathArrow 20 hours ago | 27 comments
27.
Optimizing Ruby Path Methods (byroot.github.io)
106 points by weaksauce 14 hours ago | 38 comments
28.
The simple geometry behind any road (sandboxspirit.com)
137 points by azhenley 3 days ago | 16 comments
29.
The Unix executable as a Smalltalk method (2025) [video] (youtube.com)
67 points by surprisetalk 2 days ago | 5 comments
30.
The quiet disappearance of the free-range childhood (bigthink.com)
228 points by sylvainkalache 23 hours ago | 241 comments

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