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Stories from April 18, 2026
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1.Migrating from DigitalOcean to Hetzner (isayeter.com)
890 points by yusufusta 3 days ago | 430 comments
2.Why Japan has such good railways (worksinprogress.co)
566 points by RickJWagner 3 days ago | 573 comments
3.Anonymous request-token comparisons from Opus 4.6 and Opus 4.7 (billchambers.me)
613 points by anabranch 3 days ago | 574 comments
4.The electromechanical angle computer inside the B-52 bomber's star tracker (righto.com)
430 points by NelsonMinar 3 days ago | 113 comments
5.State of Kdenlive (kdenlive.org)
467 points by f_r_d 3 days ago | 150 comments
6.All 12 moonwalkers had "lunar hay fever" from dust smelling like gunpowder (2018) (esa.int)
456 points by cybermango 4 days ago | 267 comments
7.NIST scientists create 'any wavelength' lasers (nist.gov)
420 points by rbanffy 3 days ago | 191 comments
8.Sumida Aquarium Posts 2026 Penguin Relationship Chart, with Drama and Breakups (sumida-aquarium.com)
239 points by Lwrless 6 days ago | 18 comments
9.Michael Rabin has died (wikipedia.org)
412 points by tkhattra 6 days ago | 89 comments
10.Are the costs of AI agents also rising exponentially? (2025) (tobyord.com)
305 points by louiereederson 6 days ago | 131 comments
11.Amiga Graphics Archive (lychesis.net)
265 points by sph 3 days ago | 83 comments
12.Hyperscalers have already outspent most famous US megaprojects (twitter.com/finmoorhouse)
282 points by nowflux 4 days ago | 281 comments
13."cat readme.txt" is not safe if you use iTerm2 (calif.io)
317 points by arkadiyt 4 days ago | 185 comments
14.Thoughts and feelings around Claude Design (samhenri.gold)
383 points by cdrnsf 3 days ago | 243 comments
15.Category Theory Illustrated – Orders (abuseofnotation.github.io)
251 points by boris_m 3 days ago | 61 comments
16.Brunost: The Nynorsk Programming Language (lindbakk.com)
140 points by atomfinger 8 days ago | 72 comments
17.Show HN: I made a calculator that works over disjoint sets of intervals (victorpoughon.github.io)
312 points by fouronnes3 3 days ago | 54 comments
18.Towards trust in Emacs (eshelyaron.com)
187 points by eshelyaron 6 days ago | 32 comments
19.Slop Cop (awnist.com)
248 points by ericHosick 4 days ago | 160 comments
20.Show HN: MDV – a Markdown superset for docs, dashboards, and slides with data (github.com/drasimwagan)
148 points by drasim 3 days ago | 53 comments
21.Scientists discover “cleaner ants” that groom giant ants in Arizona desert (sciencedaily.com)
119 points by t-3 6 days ago | 43 comments
22.Optimizing Ruby Path Methods (byroot.github.io)
134 points by weaksauce 3 days ago | 63 comments
23.It's OK to compare floating-points for equality (lisyarus.github.io)
213 points by coinfused 7 days ago | 143 comments
24.80386 Memory Pipeline (nand2mario.github.io)
118 points by wicket 7 days ago | 18 comments
25.Understanding the FFT Algorithm (2013) (jakevdp.github.io)
110 points by peter_d_sherman 6 days ago | 11 comments
26.Landmark ancient-genome study shows surprise acceleration of human evolution (nature.com)
118 points by unsuspecting 4 days ago | 165 comments
27.Fuzix OS (fuzix.org)
114 points by DeathArrow 3 days ago | 32 comments
28.The simple geometry behind any road (sandboxspirit.com)
144 points by azhenley 5 days ago | 17 comments
29.The Unix executable as a Smalltalk method (2025) [video] (youtube.com)
70 points by surprisetalk 5 days ago | 5 comments
30.4-bit floating point FP4 (johndcook.com)
96 points by chmaynard 3 days ago | 75 comments

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