Hacker News on Saturday, 18 April 2026

Migrating from DigitalOcean to Hetzner(isayeter.com)

841 points by yusufusta 6 months ago | 415 comments

A blog post describing a zero-downtime migration from DigitalOcean to Hetzner that cut hosting costs from $1,432 to $233 per month.

Anonymous request-token comparisons from Opus 4.6 and Opus 4.7(tokens.billchambers.me)

598 points by anabranch 6 months ago | 561 comments

A community dashboard of anonymous submissions comparing request token counts and costs between Claude Opus 4.6 and Opus 4.7, showing about a 44% average increase.

Why Japan has such good railways(worksinprogress.co)

537 points by RickJWagner 6 months ago | 507 comments

A Works in Progress magazine essay explaining why Japan's railway system is so effective.

State of Kdenlive(kdenlive.org)

451 points by f_r_d 6 months ago | 143 comments

Kdenlive team blog post reviewing the open-source video editor's 2025 development progress and plans, with a fundraising appeal.

College instructor turns to typewriters to curb AI-written work(sentinelcolorado.com)

449 points by gnabgib 6 months ago | 407 comments

Sentinel Colorado article about a college instructor who has students use typewriters to prevent AI-written assignments and teach life lessons.

The electromechanical angle computer inside the B-52 bomber's star tracker(righto.com)

413 points by NelsonMinar 6 months ago | 106 comments

Ken Shirriff blog post examining the electromechanical analog Angle Computer used in the B-52 bomber's automated celestial navigation star tracker.

NIST scientists create 'any wavelength' lasers(nist.gov)

402 points by rbanffy 6 months ago | 185 comments

NIST news release describing a method of stacking materials on silicon wafers to build photonic chips with lasers that can produce nearly any wavelength.

Thoughts and feelings around Claude Design(samhenri.gold)

338 points by cdrnsf 6 months ago | 213 comments

Blog post by Sam Henri Gold sharing thoughts on Anthropic's Claude Design and its implications for Figma and design tooling.

Show HN: I made a calculator that works over disjoint sets of intervals(victorpoughon.github.io)

286 points by fouronnes3 6 months ago | 49 comments

Amiga Graphics Archive(amiga.lychesis.net)

244 points by sph 6 months ago | 77 comments

Category Theory Illustrated – Orders(abuseofnotation.github.io)

236 points by boris_m 6 months ago | 60 comments

Stephen's Sausage Roll remains one of the most influential puzzle games(thinkygames.com)

229 points by tobr 6 months ago | 129 comments

Running a Minecraft Server and more on a 1960s UNIVAC Computer(farlow.dev)

223 points by brilee 6 months ago | 36 comments

Traders placed over $1B in perfectly timed bets on the Iran war(theguardian.com)

222 points by trocado 6 months ago | 159 comments

Ternary Bonsai: Top Intelligence at 1.58 Bits(prismml.com)

202 points by nnx 6 months ago | 54 comments

Bodega cats of New York(bodegacatsofnewyork.com)

198 points by zdw 6 months ago | 79 comments

NASA Shuts Off Instrument on Voyager 1 to Keep Spacecraft Operating(science.nasa.gov)

181 points by sohkamyung 6 months ago | 78 comments

The quiet disappearance of the free-range childhood(bigthink.com)

165 points by sylvainkalache 6 months ago | 170 comments

SDF Public Access Unix System(sdf.org)

155 points by neehao 6 months ago | 75 comments

Air is full of DNA(nature.com)

153 points by howrude 6 months ago | 49 comments

Show HN: MDV – a Markdown superset for docs, dashboards, and slides with data(github.com)

122 points by drasim 6 months ago | 44 comments

Optimizing Ruby Path Methods(byroot.github.io)

120 points by weaksauce 6 months ago | 43 comments

Dad brains: How fatherhood rewires the male mind(bbc.com)

116 points by tchalla 6 months ago | 80 comments

Zero-Copy GPU Inference from WebAssembly on Apple Silicon(abacusnoir.com)

103 points by agambrahma 6 months ago | 38 comments

PgQue: Zero-Bloat Postgres Queue(github.com)

102 points by gmcabrita 6 months ago | 27 comments

MuJoCo – Advanced Physics Simulation(github.com)

100 points by modinfo 6 months ago | 22 comments

Fuzix OS(fuzix.org)

100 points by DeathArrow 6 months ago | 25 comments

Amazon is discontinuing Kindle for PC on June 30th(goodereader.com)

96 points by tech234a 6 months ago | 82 comments

4-bit floating point FP4(johndcook.com)

80 points by chmaynard 6 months ago | 56 comments

Graphs that explain the state of AI in 2026(spectrum.ieee.org)

66 points by bryanrasmussen 6 months ago | 44 comments

What if database branching was easy?(xata.io)

61 points by tee-es-gee 6 months ago | 43 comments

Why is IPv6 so complicated?(github.com)

58 points by signa11 6 months ago | 90 comments

The USDA's gardening zones have shifted. (Interactive app and map) (2024)(apps.npr.org)

58 points by nuke-web3 6 months ago | 5 comments

Flock Condemns False Child Predator Allegations, Yet Calls Critics Terrorists(ipvm.com)

53 points by jhonovich 6 months ago | 14 comments

It is incorrect to "normalize" // in HTTP URL paths(runxiyu.org)

51 points by pabs3 6 months ago | 38 comments

America Lost the Mandate of Heaven(geohot.github.io)

51 points by mefengl 6 months ago | 34 comments

My first impressions on ROCm and Strix Halo(blog.marcoinacio.com)

51 points by random_ 6 months ago | 39 comments

Reverse Engineering ME2's USB with a Heat Gun and a Knife(github.com)

50 points by Bawoosette 6 months ago | 8 comments

Casus Belli Engineering(marcosmagueta.com)

48 points by b-man 6 months ago | 14 comments

America will come to regret its war on taxes(economist.com)

46 points by andsoitis 6 months ago | 42 comments

Amazon won't release Fire Sticks that support sideloading anymore(arstechnica.com)

43 points by pjmlp 6 months ago | 36 comments

Young sons of U.S. marshal ride horseback from Oklahoma to New York (2018)(texascooppower.com)

41 points by mhb 6 months ago | 12 comments

I dug into the Postgres sources to write my own WAL receiver(medium.com)

41 points by alzhi7 6 months ago | 7 comments

Claude Code Opus 4.7 keeps checking on malware

35 points by decide1000 6 months ago | 33 comments

Interesting Map Geometry and Mathematics(markrjohnsongames.com)

25 points by Hooke 6 months ago | 0 comments

In the AI propaganda war, Iran is winning(economist.com)

24 points by hebelehubele 6 months ago | 5 comments

Show HN: Sfsym – Export Apple SF Symbols as Vector SVG/PDF/PNG(github.com)

20 points by olliewagner 6 months ago | 7 comments

Sherry Turkle: "We're losing the raw human part of being with each other" (2013)(theguardian.com)

19 points by plenched 6 months ago | 4 comments

What the EU Battery Passport Means for Your Devices(holdmybill.com)

14 points by niksmac 6 months ago | 2 comments

PostgreSQL production incident caused by transaction ID wraparound(sqlservercentral.com)

14 points by tcp_handshaker 6 months ago | 7 comments

Optimizing Tail Sampling in OpenTelemetry with Retroactive Sampling(victoriametrics.com)

12 points by valyala 6 months ago | 0 comments

Headless Everything for Personal AI(interconnected.org)

10 points by markusw 6 months ago | 1 comments