Hacker News on Monday, 9 February 2026

Discord will require a face scan or ID for full access next month(theverge.com)

1944 points by x01 8 months ago | 1862 comments

The Verge news article reporting that Discord will require a face scan or ID for full access starting in March, with teen-appropriate defaults for all accounts.

Why is the sky blue?(explainers.blog)

766 points by udit99 8 months ago | 247 comments

An explainer blog post on why the sky is blue and sunsets are red, building a model of light scattering that also covers the Martian sky.

Discord Alternatives, Ranked(taggart-tech.com)

603 points by pseudalopex 8 months ago | 374 comments

A blog post ranking alternatives to Discord for online community chat, opening with a distracted-boyfriend meme comparing Discord to another chat app.

Converting a $3.88 analog clock from Walmart into a ESP8266-based Wi-Fi clock(github.com)

583 points by tokyobreakfast 8 months ago | 186 comments

GitHub repository with an Arduino sketch and schematic for driving a cheap analog quartz clock with an ESP8266 to show NTP-synced local time.

GitHub is down again(githubstatus.com)

467 points by MattIPv4 8 months ago | 380 comments

GitHub status page incident report stating that notifications are delayed.

Show HN: Algorithmically finding the longest line of sight on Earth(alltheviews.world)

379 points by tombh 8 months ago | 153 comments

All The Views presents the longest lines of sight on Earth found by an exhaustive algorithm, topped by a 530km view from the Hindu Kush to Pik Dankova.

Sandboxels(neal.fun)

360 points by 2sf5 8 months ago | 44 comments

Sandboxels is a browser-based falling-sand physics sandbox game hosted on neal.fun, with many elements to place and simulate.

Hard-braking events as indicators of road segment crash risk(research.google)

353 points by aleyan 8 months ago | 524 comments

Google Research blog post examining whether hard-braking events from vehicle data can indicate crash risk on specific road segments.

Another GitHub outage in the same day(githubstatus.com)

349 points by Nezteb 8 months ago | 266 comments

GitHub status page incident report for degraded service affecting Issues, Actions and Git operations.

Using an engineering notebook(ntietz.com)

303 points by evakhoury 8 months ago | 135 comments

Nobody knows how the whole system works(surfingcomplexity.blog)

295 points by azhenley 8 months ago | 192 comments

Claude’s C Compiler vs. GCC(harshanu.space)

289 points by unchar1 8 months ago | 262 comments

Luce: First Electric Ferrari(ferrari.com)

263 points by kaizenb 8 months ago | 260 comments

AT&T, Verizon blocking release of Salt Typhoon security assessment reports(reuters.com)

255 points by redman25 8 months ago | 64 comments

LiftKit – UI where "everything derives from the golden ratio"(chainlift.io)

253 points by peter_d_sherman 8 months ago | 130 comments

GitHub Is Down(github.com)

249 points by albelfio 8 months ago | 149 comments

Text classification with Python 3.14's ZSTD module(maxhalford.github.io)

248 points by alexmolas 8 months ago | 55 comments

UEFI Bindings for JavaScript(codeberg.org)

245 points by ananas-dev 8 months ago | 111 comments

Thoughts on Generating C(wingolog.org)

243 points by ingve 8 months ago | 82 comments

America has a tungsten problem(noleary.com)

191 points by noleary 8 months ago | 178 comments

TSMC to make advanced AI semiconductors in Japan(apnews.com)

183 points by dev_tty01 8 months ago | 134 comments

Matrix messaging gaining ground in government IT(theregister.com)

181 points by rbanffy 8 months ago | 140 comments

Testing Ads in ChatGPT(openai.com)

179 points by davidbarker 8 months ago | 223 comments

Show HN: AI agents play SimCity through a REST API(hallucinatingsplines.com)

173 points by aed 8 months ago | 67 comments

Is particle physics dead, dying, or just hard?(quantamagazine.org)

169 points by mellosouls 8 months ago | 275 comments

Upcoming changes to Let's Encrypt and how they affect XMPP server operators(blog.prosody.im)

160 points by zaik 8 months ago | 170 comments

Offpunk 3.0(ploum.net)

158 points by todsacerdoti 8 months ago | 33 comments

Super Bowl Ad for Ring Cameras Touted AI Surveillance Network(truthout.org)

157 points by cdrnsf 8 months ago | 85 comments

MIT Living Wage Calculator(livingwage.mit.edu)

149 points by bear_with_me 8 months ago | 209 comments

AI Doesn't Reduce Work–It Intensifies It(hbr.org)

146 points by swolpers 8 months ago | 103 comments

gRPC: From service definition to wire format(kreya.app)

144 points by latonz 8 months ago | 26 comments

Sleeper Shells: Attackers Are Planting Dormant Backdoors in Ivanti EPMM(defusedcyber.com)

135 points by waihtis 8 months ago | 49 comments

Hong Kong pro-democracy tycoon Jimmy Lai gets 20 years' jail(bbc.com)

132 points by tartoran 8 months ago | 88 comments

Humans peak in midlife: A combined cognitive and personality trait perspective(sciencedirect.com)

121 points by Brajeshwar 8 months ago | 49 comments

A brief history of oral peptides(seangeiger.substack.com)

120 points by odedfalik 8 months ago | 43 comments

I Wrote a Scheme in 2025(maplant.com)

120 points by maplant 8 months ago | 44 comments

HeyWhatsThat(heywhatsthat.com)

119 points by 1970-01-01 8 months ago | 23 comments

The shadowy world of abandoned oil tankers(bbc.com)

116 points by 1659447091 8 months ago | 70 comments

How the Little Guy Moved(animationobsessive.substack.com)

115 points by zdw 8 months ago | 5 comments

Game Theory Patterns at Work (2016)(daeus.blog)

112 points by kurinikku 8 months ago | 7 comments

Show HN: JavaScript-first, open-source WYSIWYG DOCX editor(github.com)

111 points by thisisjedr 8 months ago | 38 comments

Irish man with valid US work permit held in ICE detention for five months(theguardian.com)

104 points by n1b0m 8 months ago | 41 comments

Show HN: Browse Internet Infrastructure(wirewiki.com)

100 points by pul 8 months ago | 15 comments

Game Boy Advance Audio Interpolation(jsgroth.dev)

98 points by ibobev 8 months ago | 46 comments

The Sling: Humanity's Forgotten Power(slinging.org)

94 points by jsattler 8 months ago | 25 comments

Irish man detained by ICE for 5 months(rte.ie)

81 points by cauliflower99 8 months ago | 38 comments

The World of Harmonics – With a Coffee, Guitar and Synth(mynoise.net)

71 points by gregsadetsky 8 months ago | 15 comments

From watchdogs to mouthpieces: Washington Post and the wreckage of legacy media(thejournal.ie)

69 points by DyslexicAtheist 8 months ago | 41 comments

A method and calculator for building foamcore drawer organisers(capnfabs.net)

66 points by evakhoury 8 months ago | 14 comments

Ruby Newbie Is Joining the Ruby Users Forum(rubyforum.org)

65 points by jvrc 8 months ago | 15 comments

Do Metaprojects(taylor.town)

61 points by surprisetalk 8 months ago | 30 comments

Partial 8-Piece Tablebase(lichess.org)

61 points by qsort 8 months ago | 3 comments

Why is Singapore no longer "cool"?(marginalrevolution.com)

60 points by paulpauper 8 months ago | 100 comments

Long-Sought Proof Tames Some of Math's Unruliest Equations(quantamagazine.org)

59 points by ibobev 8 months ago | 14 comments

Show HN: Printable Classics – Free printable classic books for hobby bookbinders(printableclassics.com)

53 points by bookman10 8 months ago | 23 comments

Discord Launches Teen-by-Default Settings Globally(discord.com)

53 points by dm 8 months ago | 39 comments

Everyone’s building “async agents,” but almost no one can define them(omnara.com)

51 points by kmansm27 8 months ago | 39 comments

A tough labor market for white-collar workers has turned recruiting upside down(wsj.com)

50 points by KnuthIsGod 8 months ago | 39 comments

Eddie Bauer, venerable outdoor apparel retailer, declares bankruptcy(cbsnews.com)

50 points by mgh2 8 months ago | 33 comments

An articulated archer automaton [video](youtube.com)

48 points by Teever 8 months ago | 7 comments