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US Accuses China of Secret Nuclear Testing

https://www.reuters.com/world/china/trump-has-been-clear-wanting-new-nuclear-arms-control-treaty-...
1•jandrewrogers•25s ago•0 comments

Peacock. A New Programming Language

1•hashhooshy•5m ago•1 comments

A postcard arrived: 'If you're reading this I'm dead, and I really liked you'

https://www.washingtonpost.com/lifestyle/2026/02/07/postcard-death-teacher-glickman/
2•bookofjoe•6m ago•1 comments

What to know about the software selloff

https://www.morningstar.com/markets/what-know-about-software-stock-selloff
2•RickJWagner•10m ago•0 comments

Show HN: Syntux – generative UI for websites, not agents

https://www.getsyntux.com/
3•Goose78•10m ago•0 comments

Microsoft appointed a quality czar. He has no direct reports and no budget

https://jpcaparas.medium.com/ab75cef97954
2•birdculture•11m ago•0 comments

AI overlay that reads anything on your screen (invisible to screen capture)

https://lowlighter.app/
1•andylytic•12m ago•1 comments

Show HN: Seafloor, be up and running with OpenClaw in 20 seconds

https://seafloor.bot/
1•k0mplex•12m ago•0 comments

Tesla turbine-inspired structure generates electricity using compressed air

https://techxplore.com/news/2026-01-tesla-turbine-generates-electricity-compressed.html
2•PaulHoule•14m ago•0 comments

State Department deleting 17 years of tweets (2009-2025); preservation needed

https://www.npr.org/2026/02/07/nx-s1-5704785/state-department-trump-posts-x
2•sleazylice•14m ago•1 comments

Learning to code, or building side projects with AI help, this one's for you

https://codeslick.dev/learn
1•vitorlourenco•14m ago•0 comments

Effulgence RPG Engine [video]

https://www.youtube.com/watch?v=xFQOUe9S7dU
1•msuniverse2026•16m ago•0 comments

Five disciplines discovered the same math independently – none of them knew

https://freethemath.org
3•energyscholar•16m ago•1 comments

We Scanned an AI Assistant for Security Issues: 12,465 Vulnerabilities

https://codeslick.dev/blog/openclaw-security-audit
1•vitorlourenco•17m ago•0 comments

Amazon no longer defend cloud customers against video patent infringement claims

https://ipfray.com/amazon-no-longer-defends-cloud-customers-against-video-patent-infringement-cla...
2•ffworld•18m ago•0 comments

Show HN: Medinilla – an OCPP compliant .NET back end (partially done)

https://github.com/eliodecolli/Medinilla
2•rhcm•21m ago•0 comments

How Does AI Distribute the Pie? Large Language Models and the Ultimatum Game

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=6157066
1•dkga•21m ago•1 comments

Resistance Infrastructure

https://www.profgalloway.com/resistance-infrastructure/
2•samizdis•25m ago•1 comments

Fire-juggling unicyclist caught performing on crossing

https://news.sky.com/story/fire-juggling-unicyclist-caught-performing-on-crossing-13504459
1•austinallegro•26m ago•0 comments

Restoring a lost 1981 Unix roguelike (protoHack) and preserving Hack 1.0.3

https://github.com/Critlist/protoHack
2•Critlist•28m ago•0 comments

GPS and Time Dilation – Special and General Relativity

https://philosophersview.com/gps-and-time-dilation/
1•mistyvales•31m ago•0 comments

Show HN: Witnessd – Prove human authorship via hardware-bound jitter seals

https://github.com/writerslogic/witnessd
1•davidcondrey•31m ago•1 comments

Show HN: I built a clawdbot that texts like your crush

https://14.israelfirew.co
2•IsruAlpha•33m ago•2 comments

Scientists reverse Alzheimer's in mice and restore memory (2025)

https://www.sciencedaily.com/releases/2025/12/251224032354.htm
2•walterbell•36m ago•0 comments

Compiling Prolog to Forth [pdf]

https://vfxforth.com/flag/jfar/vol4/no4/article4.pdf
1•todsacerdoti•37m ago•0 comments

Show HN: Cymatica – an experimental, meditative audiovisual app

https://apps.apple.com/us/app/cymatica-sounds-visualizer/id6748863721
1•_august•39m ago•0 comments

GitBlack: Tracing America's Foundation

https://gitblack.vercel.app/
9•martialg•39m ago•1 comments

Horizon-LM: A RAM-Centric Architecture for LLM Training

https://arxiv.org/abs/2602.04816
1•chrsw•39m ago•0 comments

We just ordered shawarma and fries from Cursor [video]

https://www.youtube.com/shorts/WALQOiugbWc
1•jeffreyjin•40m ago•1 comments

Correctio

https://rhetoric.byu.edu/Figures/C/correctio.htm
1•grantpitt•40m ago•0 comments
Open in hackernews

I built MindMaps for Linux and Git cmdz with quiz, typing game and cheatsheet

https://mindmapsonline.com/maps_list
28•max002•3mo ago

Comments

max002•3mo ago
These two mind maps cover Git and Linux commands visually — each node expands into examples and related commands.

You can practice them through interactive quizzes, typing games, and a searchable cheatsheet. You can store you score locally or submit to public board.

It’s absolutely free to use & has no ads. If you have any cool commands you think I should add or if you find any bug, let me know in the comments! :)

P.S. If you register, you won’t get any spam — you’ll just be able to track your scores and progress, and use anki style like "dont ask me until x" functionality.

adfm•3mo ago
Nice start!

Are you going to add more maps or the ability for others to add their own?

The quiz is nice, but are you going to add more interaction?

If you take this further, consider using OPML for interop with other tools.

https://opml.org/

max002•3mo ago
Thank you! And yes, still got a bit of work to do, but once im finished others will be able to add mind maps too

As well yes to OPML, and it was planned! :)

Hmm, i have ideas for more game modes, but do you mean interactions on map or question/answer/learning modes? Do you have something specific on your mind?

adfm•3mo ago
Your maps are static. What about the ability to add to them or make changes to the layout?
max002•3mo ago
Those maps (and quiz amd games) were saved from my app, im not releasing it yet as i have still a bit work to do, but soon i'll be offering early access. So in there one would be able to change everything and generate own pages with games and quizes like ones on that site :)
R_D_Olivaw•3mo ago
As a fan of mind maps, I'm not entirely sure what this is, but I like it!
max002•3mo ago
Im entirely sure your reply made my day/morning xD as from fan of mindmaps to fan of mind maps... would you be interested in beta testing once im ready? :)
R_D_Olivaw•3mo ago
Yes absolutely!
max002•3mo ago
cool :) i'll update website to have some contact form and let you know!
max002•3mo ago
form is up on page :)