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Show HN: Flag Buddy, a learning game for kids (who can't read yet)

https://labs.davidbauer.ch/kindergames/flaggen-buddy/en/
1•davidbauer•4h ago
Ever since the World Cup had started, our five-year-old has been completely obsessed with country flags. So I built him a small app to practice.

The first version was a 5-minute hack with Claude on my phone. Then came his feature requests (“I want Lamine Yamal to congratulate me when I get it right!”) — that paired well with my fascination for building browser games. And I realised that there’s an interesting UX challenge here: How do you design an interface for someone who can’t read yet?

So the one-off turned into a real game, which I’m now happy to share with others, beyond my initial target audience of one.

Ask HN: To lead with, or bury, AI in product marketing

1•probst•22s ago•0 comments

Brazil and US clash as popular Pix system stirs global interest

https://www.reuters.com/business/finance/brazil-us-clash-over-future-payments-popular-pix-system-...
1•digoxine•1m ago•0 comments

AGI Singer: Full Saturday

https://medium.com/@miho999lv/i-only-left-to-buy-some-ice-five-minutes-thats-what-i-said-locked-t...
1•miho999lv•1m ago•0 comments

Show HN: Neat, Static code and OTel fused into one graph for agents (OSS)

https://github.com/neat-technologies/neat
3•dcdeniz•1m ago•0 comments

A Fireside Chat with Cat and Thariq from the Claude Code Team

https://simonwillison.net/2026/Jul/21/cat-and-thariq/
1•arto•1m ago•0 comments

Ask HN: Which model do you use with Pi coding agent?

1•theaniketmaurya•1m ago•0 comments

GDID Windows – Cut the tracker that follows you even under VPN

https://korben.info/en/gdid-windows-cut-tracker-vpn.html
1•rfarley04•2m ago•0 comments

The first UL 3700-compliant plug-in solar microinverter is now available in US

https://www.engadget.com/2219291/the-first-ul-3700-compliant-plug-in-solar-microinverter-is-now-a...
1•dylan604•3m ago•0 comments

How the 2026 World Cup affected Internet traffic

https://blog.cloudflare.com/2026-world-cup-internet-traffic/
1•Erenay09•3m ago•0 comments

Formal verification might solve AI's review bottleneck

https://georgwiese.github.io/posts/formal-verification-ai/
1•georgwiese•3m ago•0 comments

Show HN: Neverbell, an AI agent that analyzes markets and executes trades

https://neverbell.com
1•alexcordina•4m ago•0 comments

Mermaider is a dotnet lib for generating Mermaid diagrams

https://github.com/nullean/mermaider
1•cek•4m ago•1 comments

Keeping Cool: The Air Conditioner That Changed America

https://humanprogress.org/keeping-cool-the-air-conditioner-that-changed-america/
1•surprisetalk•4m ago•0 comments

Show HN: Bolted – Visualizing real-time lightning strikes with MetalKit

https://www.boltedapp.com
1•ryeguy_24•5m ago•0 comments

PartialString – A finite-difference time-domain physical modelling synthesiser

https://differentinstruments.com/
1•shmeano•5m ago•0 comments

Show HN: Printme.money – small toys that visualize what your salary is doing

https://printme.money/
1•hafiz_•5m ago•0 comments

Snowflake: An update and some important information (2010)

https://groups.google.com/g/twitter-development-talk/c/ahbvo3VTIYI
1•subset•6m ago•0 comments

The most expensive instruction might be cmov

https://questdb.com/blog/cmov-vs-branch-perf/
1•nhourcard•7m ago•0 comments

Sigrok – portable, cross-platform, Open-Source signal analysis software suite

https://sigrok.org/wiki/Main_Page
1•gregsadetsky•7m ago•0 comments

Show HN: My continuity checker found Watson's wound in the wrong place

https://www.novilot.com
1•vizay08•8m ago•0 comments

Device Hidden in Cars Across US Leaves Them Vulnerable to Hacking and Paralysis

https://www.wired.com/story/a-device-hidden-in-cars-across-the-us-leaves-them-vulnerable-to-hacki...
1•dylan604•8m ago•0 comments

Automated Manga translation local pipeline

https://koharu.rs/
3•SciStone•10m ago•0 comments

git's –end-of-options Flag

https://nesbitt.io/2026/07/21/end-of-options.html
1•Erenay09•11m ago•0 comments

Show HN: An interactive network graph of every Stanley Cup champion

https://puckstory.com/
1•cansofgrease•12m ago•0 comments

Show HN: Pinpoint – Visual feedback for AI coding agents

https://pinpoint.maferland.com/
2•maferland•12m ago•1 comments

Biological Physics: Energy, Information, Life(2002) [pdf]

https://www.esalq.usp.br/lepse/imgs/conteudo_thumb/Biological-Physics-Energy--Information--Life.pdf
1•o4c•14m ago•0 comments

EtLT: The Middle Ground Your Data Pipeline Has Been Missing

https://seatunnel.apache.org/blog/etlt-middle-ground-data-pipeline/
3•Xiali•16m ago•0 comments

The Great Steam Deck Crash of 2026: How the New Pricing Decreased Demand by 80%

https://boilingsteam.com/the-great-steam-deck-volume-crash/
6•ekianjo•19m ago•0 comments

Show HN: MyIntelBrief – daily competitive-Intel briefs, white-label for agencies

https://myintelbrief.com/consultant
2•chooklay•19m ago•0 comments

White House instructs intelligence agencies to fight distillation

https://www.whitehouse.gov/presidential-actions/2026/06/national-security-presidential-memorandum...
2•softwaredoug•21m ago•0 comments