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Stories from April 18, 2026 (UTC)
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1.
Migrating from DigitalOcean to Hetzner (isayeter.com)
710 points by yusufusta 14 hours ago | 368 comments
2.
All 12 moonwalkers had "lunar hay fever" from dust smelling like gunpowder (2018) (esa.int)
439 points by cybermango 1 day ago | 258 comments
3.
Michael Rabin has died (wikipedia.org)
402 points by tkhattra 3 days ago | 82 comments
4.
Amiga Graphics Archive (lychesis.net)
244 points by sph 22 hours ago | 77 comments
5.
Are the costs of AI agents also rising exponentially? (2025) (tobyord.com)
295 points by louiereederson 3 days ago | 118 comments
6.
Category Theory Illustrated – Orders (abuseofnotation.github.io)
236 points by boris_m 21 hours ago | 60 comments
7.
Show HN: I made a calculator that works over disjoint sets of intervals (victorpoughon.github.io)
295 points by fouronnes3 1 day ago | 50 comments
8.
Towards trust in Emacs (eshelyaron.com)
182 points by eshelyaron 3 days ago | 28 comments
9.
Brunost: The Nynorsk Programming Language (lindbakk.com)
138 points by atomfinger 5 days ago | 72 comments
10.
Slop Cop (awnist.com)
235 points by ericHosick 1 day ago | 157 comments
11.
State of Kdenlive (kdenlive.org)
352 points by f_r_d 16 hours ago | 116 comments
12.
Hyperscalers have already outspent most famous US megaprojects (twitter.com/finmoorhouse)
273 points by nowflux 1 day ago | 267 comments
13.
"cat readme.txt" is not safe if you use iTerm2 (calif.io)
290 points by arkadiyt 1 day ago | 176 comments
14.
Anonymous request-token comparisons from Opus 4.6 and Opus 4.7 (billchambers.me)
461 points by anabranch 12 hours ago | 470 comments
15.
Why Japan has such good railways (worksinprogress.co)
341 points by RickJWagner 15 hours ago | 338 comments
16.
Landmark ancient-genome study shows surprise acceleration of human evolution (nature.com)
112 points by unsuspecting 1 day ago | 135 comments
17.
The electromechanical angle computer inside the B-52 bomber's star tracker (righto.com)
296 points by NelsonMinar 11 hours ago | 86 comments
18.
Sumida Aquarium Posts 2026 Penguin Relationship Chart, with Drama and Breakups (sumida-aquarium.com)
182 points by Lwrless 3 days ago | 7 comments
19.
It's OK to compare floating-points for equality (lisyarus.github.io)
184 points by coinfused 4 days ago | 121 comments
20.
The simple geometry behind any road (sandboxspirit.com)
131 points by azhenley 3 days ago | 15 comments
21.
80386 Memory Pipeline (nand2mario.github.io)
94 points by wicket 4 days ago | 13 comments
22.
The Unix executable as a Smalltalk method (2025) [video] (youtube.com)
66 points by surprisetalk 2 days ago | 5 comments
23.
Show HN: MDV – a Markdown superset for docs, dashboards, and slides with data (github.com/drasimwagan)
101 points by drasim 13 hours ago | 36 comments
24.
Scientists discover “cleaner ants” that groom giant ants in Arizona desert (sciencedaily.com)
88 points by t-3 3 days ago | 32 comments
25.
Thoughts and feelings around Claude Design (samhenri.gold)
261 points by cdrnsf 9 hours ago | 171 comments
26.
Fuzix OS (fuzix.org)
86 points by DeathArrow 13 hours ago | 23 comments
27.
The quiet disappearance of the free-range childhood (bigthink.com)
202 points by sylvainkalache 16 hours ago | 211 comments
28.
College instructor turns to typewriters to curb AI-written work (sentinelcolorado.com)
184 points by gnabgib 9 hours ago | 176 comments
29.
Understanding the FFT Algorithm (2013) (jakevdp.github.io)
70 points by peter_d_sherman 4 days ago | 6 comments
30.
NIST scientists create 'any wavelength' lasers (nist.gov)
219 points by rbanffy 7 hours ago | 96 comments

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