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Show HN: Spatial CAPTCHA – 3D spatial reasoning test against AI bots

https://github.com/Shining04/Spatial-CAPTCHA
1•Shining_S•1h ago

Comments

Shining_S•1h ago
Hi HN,

I built a 3D Spatial CAPTCHA to see if spatial reasoning is a viable way to distinguish humans from AI bots.

It is a proof of concept. I'd love to get your feedback!

Is development of AI divided into phase

1•sky98•28s ago•0 comments

Sonder co-founder left shocked

https://www.businessinsider.com/sonder-marriott-bankruptcy-cofounder-ceo-francis-davidson-shocked...
1•maest•2m ago•0 comments

Language Design Notes

https://cs.lmu.edu/~ray/notes/languagedesignnotes/
1•birdculture•8m ago•0 comments

Simple & Accurate Grammar Checker

https://grammarchecker.cc
1•GrammarChecker•11m ago•0 comments

One does not simply redact amounts in a money app

https://try-simon.app/technical-blog/redacting-amounts-elegantly
1•willmoss•12m ago•0 comments

AI startup Cursor raises $2.3B funding round at $29.3B valuation

https://www.cnbc.com/2025/11/13/cursor-ai-startup-funding-round-valuation.html
1•s4i•15m ago•0 comments

CLI tool to check the Git status of multiple projects

https://github.com/uralys/check-projects
1•chrisdugne•20m ago•1 comments

State-of-the-art CIFAR-100 classifier in PyTorch (ResNet-50, 84% accuracy)

https://github.com/Amirali-SoltaniRad/cifar100-classification
2•Amirali-SR•21m ago•1 comments

£21M backing for technology to stop cyber attackers

https://www.ukri.org/news/21-million-backing-for-technology-to-stop-cyber-attackers/
1•kim_rutherford•25m ago•0 comments

Enron Corpus

https://en.wikipedia.org/wiki/Enron_Corpus
2•_Microft•27m ago•0 comments

Show HN: PluginScore – Code quality reports for WordPress plugins

https://www.pluginscore.com/
1•blurayfin•29m ago•0 comments

Leaders Must Create 4 Scenarios for Human-AI Collaboration at Work

https://www.gartner.com/en/newsroom/press-releases/2025-11-11-gartner-says-leaders-must-create-fo...
1•rockyour•29m ago•0 comments

Meta's v19.2 Firmware Update

https://lifehacker.com/tech/meta-releasing-smart-glasses-update-better-video-and-garmin-integrati...
1•I_Nidhi•38m ago•0 comments

Scaling List: fast growing AI-native startups to join

https://scalinglist.com/
1•jkw•39m ago•0 comments

Notes on the Troubleshooting and Repair of Television Sets

https://www.repairfaq.org/sam/tvfaq.htm
2•exvi•39m ago•0 comments

Discovering new solutions to century-old problems in fluid dynamics

https://deepmind.google/blog/discovering-new-solutions-to-century-old-problems-in-fluid-dynamics/
2•danielmorozoff•42m ago•0 comments

OpenAI's new LLM exposes the secrets of how AI works

https://www.technologyreview.com/2025/11/13/1127914/openais-new-llm-exposes-the-secrets-of-how-ai...
2•jonbaer•46m ago•0 comments

OpenSky M-02

https://en.wikipedia.org/wiki/OpenSky_M-02
1•thunderbong•49m ago•0 comments

US announces 'Southern Spear' mission as forces deploy to South America

https://www.aljazeera.com/news/2025/11/14/us-announces-southern-spear-mission-as-forces-deploy-to...
2•Tadpole9181•53m ago•2 comments

Ask HN: Is building for the web even worth it now?

27•spaceman_2020•59m ago•22 comments

Goodbye, Penny: What the End of the Coin's Production Means for Businesses

https://time.com/7333864/penny-production-circulation-businesses-change-cost/
1•danboarder•1h ago•0 comments

Show HN: Pegma, the free and open-source version of the classic Peg solitaire

https://pegma.vercel.app
11•GlebShalimov•1h ago•9 comments

Speed Dating Is a Gym for Romantic Skills

https://psychotechnology.substack.com/p/speed-dating-is-a-gym-for-romantic
1•eatitraw•1h ago•0 comments

Servy 3.4 released, Windows tool to turn any app into a native Windows service

https://github.com/aelassas/servy
1•aelassas•1h ago•0 comments

Suggest Questions for Metaculus/ACX Forecasting Contest

https://www.astralcodexten.com/p/suggest-questions-for-metaculusacx
1•feross•1h ago•0 comments

Continuous, Validated Cough Monitoring

https://www.hyfe.com/
1•zeristor•1h ago•2 comments

Why Are Seattle Drivers Paying More for Gas?

https://oilprice.com/Energy/Energy-General/Why-Are-Seattle-Drivers-Paying-So-Much-More-for-Gas.html
1•PaulHoule•1h ago•0 comments

Ubisoft Delays Earnings and Requests Share Trading Halt

https://www.bloomberg.com/news/articles/2025-11-13/ubisoft-delays-earnings-and-requests-share-tra...
3•cimnine•1h ago•1 comments

Sam Altman and husband fund startup to edit babies' genes

https://www.thetimes.com/us/news-today/article/sam-altman-open-ai-husband-genetically-engineered-...
2•salkahfi•1h ago•1 comments

Show HN: Built my tool for learn English

https://www.neural-grammar.com/
1•baursha•1h ago•0 comments