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Stories from April 18, 2026 (UTC)
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1.
Migrating from DigitalOcean to Hetzner (isayeter.com)
750 points by yusufusta 18 hours ago | 377 comments
2.
All 12 moonwalkers had "lunar hay fever" from dust smelling like gunpowder (2018) (esa.int)
444 points by cybermango 1 day ago | 260 comments
3.
Michael Rabin has died (wikipedia.org)
404 points by tkhattra 3 days ago | 82 comments
4.
State of Kdenlive (kdenlive.org)
383 points by f_r_d 20 hours ago | 119 comments
5.
Are the costs of AI agents also rising exponentially? (2025) (tobyord.com)
296 points by louiereederson 3 days ago | 119 comments
6.
Amiga Graphics Archive (lychesis.net)
248 points by sph 1 day ago | 77 comments
7.
Why Japan has such good railways (worksinprogress.co)
383 points by RickJWagner 19 hours ago | 359 comments
8.
Anonymous request-token comparisons from Opus 4.6 and Opus 4.7 (billchambers.me)
502 points by anabranch 15 hours ago | 496 comments
9.
Category Theory Illustrated – Orders (abuseofnotation.github.io)
239 points by boris_m 1 day ago | 61 comments
10.
Brunost: The Nynorsk Programming Language (lindbakk.com)
138 points by atomfinger 5 days ago | 72 comments
11.
Show HN: I made a calculator that works over disjoint sets of intervals (victorpoughon.github.io)
298 points by fouronnes3 1 day ago | 50 comments
12.
Hyperscalers have already outspent most famous US megaprojects (twitter.com/finmoorhouse)
274 points by nowflux 1 day ago | 268 comments
13.
"cat readme.txt" is not safe if you use iTerm2 (calif.io)
296 points by arkadiyt 1 day ago | 179 comments
14.
Towards trust in Emacs (eshelyaron.com)
182 points by eshelyaron 3 days ago | 28 comments
15.
Slop Cop (awnist.com)
236 points by ericHosick 1 day ago | 157 comments
16.
The electromechanical angle computer inside the B-52 bomber's star tracker (righto.com)
316 points by NelsonMinar 15 hours ago | 89 comments
17.
Sumida Aquarium Posts 2026 Penguin Relationship Chart, with Drama and Breakups (sumida-aquarium.com)
205 points by Lwrless 3 days ago | 8 comments
18.
It's OK to compare floating-points for equality (lisyarus.github.io)
200 points by coinfused 4 days ago | 124 comments
19.
Landmark ancient-genome study shows surprise acceleration of human evolution (nature.com)
112 points by unsuspecting 1 day ago | 139 comments
20.
80386 Memory Pipeline (nand2mario.github.io)
103 points by wicket 4 days ago | 15 comments
21.
Scientists discover “cleaner ants” that groom giant ants in Arizona desert (sciencedaily.com)
96 points by t-3 3 days ago | 37 comments
22.
Thoughts and feelings around Claude Design (samhenri.gold)
291 points by cdrnsf 12 hours ago | 192 comments
23.
Show HN: MDV – a Markdown superset for docs, dashboards, and slides with data (github.com/drasimwagan)
108 points by drasim 16 hours ago | 41 comments
24.
Fuzix OS (fuzix.org)
97 points by DeathArrow 16 hours ago | 25 comments
25.
NIST scientists create 'any wavelength' lasers (nist.gov)
285 points by rbanffy 10 hours ago | 127 comments
26.
Understanding the FFT Algorithm (2013) (jakevdp.github.io)
83 points by peter_d_sherman 4 days ago | 9 comments
27.
The simple geometry behind any road (sandboxspirit.com)
133 points by azhenley 3 days ago | 15 comments
28.
The Unix executable as a Smalltalk method (2025) [video] (youtube.com)
66 points by surprisetalk 2 days ago | 5 comments
29.
The quiet disappearance of the free-range childhood (bigthink.com)
213 points by sylvainkalache 20 hours ago | 229 comments
30.
Optimizing Ruby Path Methods (byroot.github.io)
89 points by weaksauce 11 hours ago | 33 comments

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