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Show HN: Concrete Calculator – Estimate Cubic Yards, Bags and Cost

https://concretemixcalc.com
1•struy•1h ago
Free concrete calculator: enter length, width and thickness to get cubic yards, 80/60/40-lb bag counts and estimated cost — results update as you type.

Comments

DrMandalay•54m ago
One day America will use grown up measurements. Until then; this nonsense.

What Octavia Butler's Notebook Knew About Self-Efficacy

https://dawnwages.info/bajoran-engineer/2026/09/24/boldly-go-1-so-be-it-see-to-it/
1•mooreds•17s ago•0 comments

Show HN: Storia – A free voice-following teleprompter with mood and pacing cues

https://www.get-storia.com/
1•matteomosca•30s ago•0 comments

Show HN: PitchDrops offline-first ear training PWA built w Web Audio and React

https://pitchdrops.com/
1•EdBoraas•56s ago•0 comments

LLM Policies: Progress at All Costs

https://diegoe.be/2026/09/25/llm-policies-progress-at-all-costs/
1•eustoria•1m ago•0 comments

What is Enlightenment? (1784) [pdf]

https://www.nypl.org/sites/default/files/kant_whatisenlightenment.pdf
1•RGS1811•1m ago•0 comments

Notion Mail Is Shutting Down

https://twitter.com/NotionMail/status/2070177264457715817
1•hisamafahri•1m ago•0 comments

Show HN: I built a tool to combine separate photos into one scene using AI

https://tancky.io/
1•tancky•1m ago•0 comments

After the Data Centers

https://dissentmagazine.org/article/ai-data-center-backlash/
1•eustoria•2m ago•0 comments

Compared four spec driven, tools. I didn't expect this gap

https://twitter.com/SSShken/status/2101284944534204771
1•darkniss•3m ago•0 comments

What's still manual when debugging AI agents?

https://www.traser.dev/
1•Tussa_Domingos•3m ago•0 comments

Scientists Mapped a Hidden Glacier Using Gravity

https://eos.org/articles/scientists-mapped-a-hidden-glacier-using-gravity
1•eustoria•4m ago•0 comments

Dirty deal on ChatControl 2.0 looms, allowing PERMANENT mass scanning

https://digitalcourage.social/@echo_pbreyer/117331480393548354
1•latexr•4m ago•0 comments

A Prompt to Learn Anything

https://github.com/ZaneH/tutor
1•FinalDestiny•5m ago•0 comments

Show HN: Llama.cpp fork with 2-4x multiGPU speed for MoE models bigger than VRAM

https://github.com/neurall/llama.cpp
1•neuralll•7m ago•1 comments

Guys, We Suck at This

https://unattributed.cc/2026/09/06/guys-we-really-really-suck/
1•surprisetalk•7m ago•0 comments

John Coltrane Centenary's – Impulse Records Release the Legendary Tiberi Tapes

https://www.jazzwise.com/content/news/john-coltrane-centenary-celebrations-see-impulse-records-re...
3•gregsadetsky•9m ago•0 comments

My Unicorn Founder Friend Was Phished

https://casco.com/blog/how-my-unicorn-founder-friend-was-phished
1•rafaelc•11m ago•1 comments

Show HN: PixelSniff – Check if a photo is AI-generated, no sign-up

https://pixelsniff.com/
1•songtianlun1•13m ago•1 comments

Crab-like autonomous wheelchair (2025)

https://www.designboom.com/technology/autonomous-wheelchair-foldable-tentacle-legs-climb-stairs-s...
1•simonebrunozzi•13m ago•1 comments

The Myth of the Cynical Genius (2021)

https://www.psychologytoday.com/au/blog/trust-games/202111/the-myth-the-cynical-genius
1•daniel_iversen•14m ago•1 comments

Steel Pan Tuning Handbook (1992) [pdf]

https://stockholmsteelband.se/pan/tuning/pdf/pantuning.pdf
1•addag•15m ago•0 comments

Giving AI agents a voice at the table

https://www.highfidelity.com/blog/giving-our-a.i.-agents-a-voice-at-the-table
1•ZappoMan•15m ago•0 comments

Show HN: Giving my inner monologue autocomplete, with my own voice

https://www.maximevidal.com/voices
1•vmaxmc2•16m ago•0 comments

Show HN: Jev Plays Pokémon Red

https://jev-pokemon.vercel.app/
1•pancomplex•19m ago•1 comments

What 10.7M packages taught us

https://hextrap.io/blog/what-107-million-packages-taught-us-about-the-noise-floor/
1•thenrich99•19m ago•0 comments

Evolving programming languages in the AI era – by Jose Valim

https://dashbit.co/blog/evolving-ai-era
1•vmg12•19m ago•0 comments

Why the iPhone Duo Folding Transition Feels Good

https://armandsumo.com/posts/iphone-duo-transition/
1•rslice•21m ago•1 comments

Jev Is Built for Tinkerers

https://blog.mattheworiordan.com/p/jev-is-built-for-tinkerers
3•matt_oriordan•21m ago•1 comments

ChatGPT Helped Tumbler Ridge Shooter (Mother Jones Article)

https://www.motherjones.com/media/2026/09/chatgpt-tumbler-ridge-mass-shooter-openai/
2•iainctduncan•22m ago•2 comments

Factorio that you can touch

https://factorio.com/blog/post/fff-447
4•ibobev•22m ago•0 comments