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NRC issues first U.S. construction permit for a BWRX-300 small modular reactor

https://www.gevernova.com/news/press-releases/nrc-issues-first-us-construction-permit-bwrx-300-small-modular-reactor-tva-clinch-river
14•papa-whisky•5h ago

Comments

CobaltFire•1h ago
This is a 10th Generation Boiling Water Reactor. Here's some relevant links:

https://en.wikipedia.org/wiki/BWRX-300

https://www.gevernova.com/nuclear/carbon-free-power/bwrx-300...

Interesting point: no pumps; convection flow for 100% of the operational envelope.

testing22321•40m ago
Place your bets now.

Time until first power generated, and actual final total cost.

I’ll go 15 years and $10 Billion.

Livenerf: Has Opus 5.5 been nerfed yet?

https://github.com/ninjahawk/livenerf
378•bryan0•6h ago•156 comments

PSSA: A non-transformer language model written from scratch in Rust

https://github.com/Sparticle62ops/pssa
28•sparticle62•1h ago•6 comments

Dots: Always-on agents

https://openai.com/index/introducing-dots/
504•alvis•11h ago•378 comments

U.S. postal inspectors shut down website selling counterfeit postage labels

https://postalemployeenetwork.com/news/2026/09/26/u-s-postal-inspectors-shut-down-website-selling...
194•ilamont•9h ago•117 comments

Vermont replacing power plants with home batteries

https://www.bbc.com/future/article/20260928-a-virtual-power-plant-hidden-in-vermont-homes-is-keep...
124•devonnull•10h ago•111 comments

NASA asked several former SR-71A staffers to help secret restart

https://aviationweek.com/defense/aircraft-propulsion/nasa-asked-several-former-sr-71a-staffers-he...
80•ilamont•18h ago•91 comments

America.gov

https://america.gov/
463•plesiv•14h ago•369 comments

Show HN: Real-time Solar System with 526k asteroids and all tracked satellites

https://space.bl2.net/
168•wanick•9h ago•38 comments

GPT 6.1 Sol: Near-Astra intelligence for a fifth of the price

https://openai.com/index/introducing-gpt-6-1-sol/
844•crorella•11h ago•761 comments

PS5 Relapse Exploit

https://github.com/ntfargo/Relapse-Exploit
263•therepanic•13h ago•145 comments

How Delhi cut electricity loss from 50 to 5 percent

https://spectrum.ieee.org/delhi-electricity-loss
469•rbanffy•16h ago•272 comments

Language models for text classification: From bag-of-words to Jev

https://magazine.sebastianraschka.com/p/classifier-history-and-jev
63•Anon84•17h ago•2 comments

Backblaze drive stats for Q2 2026

https://www.backblaze.com/blog/backblaze-drive-stats-for-q2-2026/
122•HieronymusBosch•15h ago•27 comments

When oil prices spike, where does the money go?

https://theconversation.com/when-oil-prices-spike-where-does-the-money-go-280763
50•thelastgallon•1d ago•45 comments

Needed 1+1, built a functional programming language

https://hereticpleb.vercel.app/blog/needed-one-plus-one/
57•birdculture•12h ago•15 comments

RSS Feeds for Last.fm

https://lfm.xiffy.nl/
8•Baljhin•1h ago•2 comments

Phyllotaxis: An audio-reactive LED display

https://jagi.studio/posts/phyllotaxis/
268•evakhoury•1d ago•45 comments

We’re forgetting what darkness feels like

https://www.theguardian.com/environment/2026/sep/29/night-sky-darkness-city-regulation
104•pseudolus•10h ago•63 comments

NAND-16: a computer built from 277,248 NAND gates

https://somethingbig.ai/computer
118•rossant•2d ago•66 comments

Responsible Release of AI-Generated Mathematics

https://agmai.org/general-sep29/
4•aureianimus•2h ago•0 comments

Ask HN: What are you reading?

195•dan-bailey•15h ago•439 comments

A Staff Engineer's Guide to Inventing Work

https://sujithjay.com/inventing-work
221•amortize•1d ago•44 comments

Show HN: A working 3D model of an Enigma machine

https://enigma.design
48•primitivesuave•11h ago•18 comments

Commodore 64: Mercenary

https://gamesexplained.com/c64/mercenary/
40•a1r•3d ago•6 comments

Strange Parodies of Atari 2600 Video Game Box Cover Art (2008)

https://mightygodking.com/2008/04/21/fun-from-yesterday/
21•peter_d_sherman•3h ago•11 comments

Ballmer Peak

https://en.wikipedia.org/wiki/Ballmer_Peak
16•thunderbong•2h ago•0 comments

Show HN: NSL – WSL for Linux

https://frostyard.github.io/nsl/
104•bketelsen•13h ago•73 comments

Deser: Rethinking Rust Serialization

https://lucumr.pocoo.org/2026/9/29/deser/
44•tosh•7h ago•6 comments

Tcl/Tk 9.1

https://www.tcl-lang.org/software/tcltk/9.1.html
255•dmux•11h ago•98 comments

Stuck in the Suez Canal – the short version (2021)

https://cathsenker.co.uk/stuck-in-the-suez-canal-the-short-version/
50•joebig•2d ago•6 comments