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Stories from April 18, 2026 (UTC)
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1.
Migrating from DigitalOcean to Hetzner (isayeter.com)
827 points by yusufusta 1 day ago | 411 comments
2.
All 12 moonwalkers had "lunar hay fever" from dust smelling like gunpowder (2018) (esa.int)
448 points by cybermango 1 day ago | 263 comments
3.
Why Japan has such good railways (worksinprogress.co)
459 points by RickJWagner 1 day ago | 434 comments
4.
State of Kdenlive (kdenlive.org)
427 points by f_r_d 1 day ago | 130 comments
5.
Anonymous request-token comparisons from Opus 4.6 and Opus 4.7 (billchambers.me)
562 points by anabranch 22 hours ago | 541 comments
6.
The electromechanical angle computer inside the B-52 bomber's star tracker (righto.com)
372 points by NelsonMinar 22 hours ago | 97 comments
7.
Sumida Aquarium Posts 2026 Penguin Relationship Chart, with Drama and Breakups (sumida-aquarium.com)
229 points by Lwrless 3 days ago | 16 comments
8.
Michael Rabin has died (wikipedia.org)
407 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 | 124 comments
10.
Amiga Graphics Archive (lychesis.net)
253 points by sph 1 day ago | 79 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)
277 points by nowflux 1 day ago | 268 comments
13.
"cat readme.txt" is not safe if you use iTerm2 (calif.io)
302 points by arkadiyt 1 day ago | 180 comments
14.
NIST scientists create 'any wavelength' lasers (nist.gov)
355 points by rbanffy 17 hours ago | 155 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)
342 points by cdrnsf 19 hours ago | 219 comments
17.
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
18.
Towards trust in Emacs (eshelyaron.com)
185 points by eshelyaron 4 days ago | 31 comments
19.
Slop Cop (awnist.com)
236 points by ericHosick 1 day 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 | 42 comments
21.
Show HN: MDV – a Markdown superset for docs, dashboards, and slides with data (github.com/drasimwagan)
128 points by drasim 23 hours ago | 48 comments
22.
80386 Memory Pipeline (nand2mario.github.io)
112 points by wicket 4 days ago | 16 comments
23.
It's OK to compare floating-points for equality (lisyarus.github.io)
204 points by coinfused 4 days ago | 128 comments
24.
Optimizing Ruby Path Methods (byroot.github.io)
116 points by weaksauce 17 hours ago | 42 comments
25.
Landmark ancient-genome study shows surprise acceleration of human evolution (nature.com)
115 points by unsuspecting 1 day ago | 146 comments
26.
Understanding the FFT Algorithm (2013) (jakevdp.github.io)
104 points by peter_d_sherman 4 days ago | 11 comments
27.
Fuzix OS (fuzix.org)
105 points by DeathArrow 23 hours 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)
67 points by surprisetalk 2 days ago | 5 comments
30.
The quiet disappearance of the free-range childhood (bigthink.com)
236 points by sylvainkalache 1 day ago | 251 comments

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