1.
NIST scientists create 'any wavelength' lasers
(www.nist.gov/news-events/news/2026/04/any-color-you-nist-scientists-create-any-wavelength-lasers-tiny-circuits)
84 points by
rbanffy
3 hours ago |
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2.
Anonymous request-token comparisons from Opus 4.6 and Opus 4.7
(tokens.billchambers.me/leaderboard)
387 points by
anabranch
7 hours ago |
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3.
The electromechanical angle computer inside the B-52 bomber's star tracker
(www.righto.com/2026/04/B-52-star-tracker-angle-computer.html)
237 points by
NelsonMinar
7 hours ago |
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4.
Thoughts and feelings around Claude Design
(samhenri.gold/blog/20260418-claude-design/)
179 points by
cdrnsf
4 hours ago |
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5.
Optimizing Ruby Path Methods
(byroot.github.io/ruby/performance/2026/04/18/faster-paths.html)
32 points by
weaksauce
3 hours ago |
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6.
Modern Common Lisp with FSet
(fset.common-lisp.dev/Modern-CL/Top_html/index.html)
53 points by
larve
3 days ago |
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7.
Migrating from DigitalOcean to Hetzner
(isayeter.com/posts/digitalocean-to-hetzner-migration/)
652 points by
yusufusta
10 hours ago |
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8.
State of Kdenlive
(kdenlive.org/news/2026/state-2026/)
322 points by
f_r_d
12 hours ago |
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9.
Traders placed over $1B in perfectly timed bets on the Iran war
(www.theguardian.com/world/2026/apr/18/iran-war-bets-ethics-concerns)
205 points by
trocado
5 hours ago |
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10.
Michael Rabin has died
(en.wikipedia.org/wiki/Michael_O._Rabin)
377 points by
tkhattra
3 days ago |
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11.
Show HN: MDV – a Markdown superset for docs, dashboards, and slides with data
(github.com/drasimwagan/mdv)
82 points by
drasim
8 hours ago |
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12.
Sumida Aquarium Posts 2026 Penguin Relationship Chart, with Drama and Breakups
(www.sumida-aquarium.com/special/sokanzu/en/2026/)
152 points by
Lwrless
3 days ago |
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13.
PgQue: Zero-Bloat Postgres Queue
(github.com/NikolayS/pgque)
66 points by
gmcabrita
7 hours ago |
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14.
Floating Point Fun on Cortex-M Processors
(danielmangum.com/posts/floating-point-cortex-m/)
28 points by
hasheddan
2 days ago |
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15.
College instructor turns to typewriters to curb AI-written work
(sentinelcolorado.com/uncategorized/a-college-instructor-turns-to-typewriters-to-curb-ai-written-work-and-teach-life-lessons/)
85 points by
gnabgib
5 hours ago |
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16.
Show HN: SmallDocs - Markdown without the frustrations
()
40 points by
FailMore
4 days ago |
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17.
Scientists discover "cleaner ants" that groom giant ants in Arizona desert
(www.sciencedaily.com/releases/2026/04/260414075641.htm)
66 points by
t-3
3 days ago |
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18.
UpCodes (YC S17) is hiring SDRs to help make construction more productive
(up.codes/careers?utm_source=HN)
1 points by
Old_Thrashbarg
7 hours ago |
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19.
80386 Memory Pipeline
(nand2mario.github.io/posts/2026/80386_memory_pipeline/)
77 points by
wicket
4 days ago |
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20.
Show HN: AI Subroutines – Run automation scripts inside your browser tab
(www.rtrvr.ai/blog/ai-subroutines-zero-token-deterministic-automation)
27 points by
arjunchint
a day ago |
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21.
A story about how I dug into the PostgreSQL sources to write my own WAL receiver
(medium.com/@mailbox.sq7/a-long-story-about-how-i-dug-into-the-postgresql-source-code-to-write-my-own-wal-receiver-and-what-53fd251d8f25)
3 points by
alzhi7
20 hours ago |
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22.
Show HN: Remoroo. trying to fix memory in long-running coding agents
(www.remoroo.com)
22 points by
adhamghazali
4 days ago |
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23.
Graphs that explain the state of AI in 2026
(spectrum.ieee.org/state-of-ai-index-2026)
66 points by
bryanrasmussen
6 hours ago |
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24.
Amiga Graphics Archive
(amiga.lychesis.net/)
226 points by
sph
17 hours ago |
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25.
4-bit floating point FP4
(www.johndcook.com/blog/2026/04/17/fp4/)
35 points by
chmaynard
6 hours ago |
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26.
Understanding the FFT Algorithm (2013)
(jakevdp.github.io/blog/2013/08/28/understanding-the-fft/)
47 points by
peter_d_sherman
4 days ago |
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27.
Fuzix OS
(www.fuzix.org/)
70 points by
DeathArrow
8 hours ago |
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28.
Category Theory Illustrated – Orders
(abuseofnotation.github.io/category-theory-illustrated/04_order/)
219 points by
boris_m
17 hours ago |
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29.
It's OK to compare floating-points for equality
(lisyarus.github.io/blog/posts/its-ok-to-compare-floating-points-for-equality.html)
171 points by
coinfused
4 days ago |
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30.
Show HN: I made a calculator that works over disjoint sets of intervals
(victorpoughon.github.io/interval-calculator/)
286 points by
fouronnes3
a day ago |
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