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Stories from April 18, 2026
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1.
Migrating from DigitalOcean to Hetzner (isayeter.com)
886 points by yusufusta 2 days ago | 427 comments
2.
Why Japan has such good railways (worksinprogress.co)
562 points by RickJWagner 2 days ago | 570 comments
3.
Anonymous request-token comparisons from Opus 4.6 and Opus 4.7 (billchambers.me)
612 points by anabranch 2 days ago | 573 comments
4.
The electromechanical angle computer inside the B-52 bomber's star tracker (righto.com)
428 points by NelsonMinar 2 days ago | 113 comments
5.
State of Kdenlive (kdenlive.org)
466 points by f_r_d 2 days ago | 149 comments
6.
All 12 moonwalkers had "lunar hay fever" from dust smelling like gunpowder (2018) (esa.int)
454 points by cybermango 3 days ago | 266 comments
7.
NIST scientists create 'any wavelength' lasers (nist.gov)
418 points by rbanffy 2 days ago | 188 comments
8.
Sumida Aquarium Posts 2026 Penguin Relationship Chart, with Drama and Breakups (sumida-aquarium.com)
239 points by Lwrless 5 days ago | 18 comments
9.
Michael Rabin has died (wikipedia.org)
412 points by tkhattra 5 days ago | 88 comments
10.
Are the costs of AI agents also rising exponentially? (2025) (tobyord.com)
305 points by louiereederson 5 days ago | 130 comments
11.
Amiga Graphics Archive (lychesis.net)
262 points by sph 2 days ago | 80 comments
12.
Hyperscalers have already outspent most famous US megaprojects (twitter.com/finmoorhouse)
281 points by nowflux 3 days ago | 280 comments
13.
"cat readme.txt" is not safe if you use iTerm2 (calif.io)
316 points by arkadiyt 3 days ago | 185 comments
14.
Thoughts and feelings around Claude Design (samhenri.gold)
381 points by cdrnsf 2 days ago | 242 comments
15.
Category Theory Illustrated – Orders (abuseofnotation.github.io)
251 points by boris_m 2 days ago | 61 comments
16.
Brunost: The Nynorsk Programming Language (lindbakk.com)
140 points by atomfinger 7 days ago | 72 comments
17.
Show HN: I made a calculator that works over disjoint sets of intervals (victorpoughon.github.io)
310 points by fouronnes3 2 days ago | 53 comments
18.
Towards trust in Emacs (eshelyaron.com)
187 points by eshelyaron 5 days ago | 32 comments
19.
Slop Cop (awnist.com)
248 points by ericHosick 3 days ago | 160 comments
20.
Show HN: MDV – a Markdown superset for docs, dashboards, and slides with data (github.com/drasimwagan)
146 points by drasim 2 days ago | 53 comments
21.
Scientists discover “cleaner ants” that groom giant ants in Arizona desert (sciencedaily.com)
119 points by t-3 5 days ago | 43 comments
22.
Optimizing Ruby Path Methods (byroot.github.io)
134 points by weaksauce 2 days ago | 63 comments
23.
It's OK to compare floating-points for equality (lisyarus.github.io)
212 points by coinfused 6 days ago | 139 comments
24.
80386 Memory Pipeline (nand2mario.github.io)
118 points by wicket 6 days ago | 18 comments
25.
Understanding the FFT Algorithm (2013) (jakevdp.github.io)
110 points by peter_d_sherman 5 days ago | 11 comments
26.
Landmark ancient-genome study shows surprise acceleration of human evolution (nature.com)
118 points by unsuspecting 3 days ago | 164 comments
27.
Fuzix OS (fuzix.org)
113 points by DeathArrow 2 days ago | 32 comments
28.
The simple geometry behind any road (sandboxspirit.com)
144 points by azhenley 4 days ago | 17 comments
29.
The Unix executable as a Smalltalk method (2025) [video] (youtube.com)
70 points by surprisetalk 4 days ago | 5 comments
30.
4-bit floating point FP4 (johndcook.com)
91 points by chmaynard 2 days ago | 74 comments

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