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Ask HN: Building a solo business is impossible

2•fnoef•1m ago•0 comments

What breaks when messaging hits scale (and why APIs don't show it)

https://blog.bridgexapi.io/what-actually-breaks-when-messaging-hits-scale-and-why-apis-don-t-show-it
1•Bridgexapi•2m ago•1 comments

Soma- train your own AI

https://logossoma.com/
1•dejamesmusic•2m ago•1 comments

Show HN: Ejectify 2 Launched: No More "Disk Not Ejected Properly" notifications

https://ejectify.app?discount=EJECTIFY2
1•nielsmouthaan•2m ago•0 comments

Salesforce Launches Headless 360

https://venturebeat.com/ai/salesforce-launches-headless-360-to-turn-its-entire-platform-into-infr...
1•davedx•3m ago•0 comments

Show HN: mcp.hosting – The easiest way to install MCP servers

https://mcp.hosting/
1•jeffyaw•7m ago•0 comments

Show HN: Xata, open-source Postgres platform with copy-on-write branches

https://github.com/xataio/xata
2•tee-es-gee•9m ago•0 comments

How to make buffet breakfasts less wasteful

https://www.economist.com/science-and-technology/2026/04/14/how-to-make-buffet-breakfasts-less-wa...
2•austinallegro•9m ago•0 comments

Mozilla Introduces Thunderbolt: Enterprise AI You Control

https://www.thunderbolt.io/announcing-thunderbolt
1•babolivier•21m ago•2 comments

Tell me an alternative of Claude for writing/strategy generation

2•Areena_28•22m ago•2 comments

Julia: DistributedArrays

https://juliaparallel.org/DistributedArrays.jl/stable/
1•tosh•24m ago•0 comments

Can AI agents autonomously design components on photonic chips?

https://engineering.flexcompute.com/articles/autoresearch-photonic-design/
1•yaugenst-flex•27m ago•0 comments

Chinese carmaker patents voice-controlled 'in-vehicle toilet'

https://www.bbc.com/news/articles/c1l92yv4mydo
1•1659447091•31m ago•0 comments

The rise of malicious repositories on GitHub

https://rushter.com/blog/github-malware/
3•prakashqwerty•33m ago•0 comments

Fret is a GPU-first Rust UI framework

https://github.com/Latias94/fret
1•sagacity•33m ago•1 comments

FIM – Linux framebuffer image viewer

https://www.nongnu.org/fbi-improved/
2•Mr_Minderbinder•35m ago•1 comments

Show HN: I built a Twitch social network

https://chattr.online/login
1•michaelbrooks•37m ago•1 comments

Show HN: Real-time aviation Pirep dashboard built on Cloudflare Workers and D1

https://github.com/Jay9185/PIREP
1•jerr9185•39m ago•0 comments

Simplifying Two Millennium Prize Problems

https://metamagic.substack.com/p/simplifying-two-millennium-prize
1•r0ze-at-hn•41m ago•0 comments

AI images are being used in insurance scams

https://www.bbc.com/news/articles/cm2rr9pg4jzo
1•1659447091•46m ago•0 comments

Prism License Framework (a modular license generator)

1•Scientific_AJ•49m ago•0 comments

Rust Maintainer Fund

https://nlnet.nl/maintainers/rust/
1•pabs3•49m ago•0 comments

Netflix Cofounder Reed Hastings Is Leaving the Company

https://www.businessinsider.com/netflix-cofounder-reed-hastings-is-leaving-the-company-sarandos-p...
2•doppp•50m ago•0 comments

Prism License Framework (a modular license generator)

https://www.google.com/search?q=https://github.com/ScientificAJ/prism-license-framework
1•Scientific_AJ•51m ago•0 comments

Show HN: Viche – OSS private registry for agent communication

https://github.com/viche-ai/viche
1•nanojoel•52m ago•0 comments

Approve agents and track progress while you're on the go

https://github.com/grainulation/farmer
4•woptober•54m ago•0 comments

Treating enterprise AI as an operating layer

https://www.technologyreview.com/2026/04/16/1135554/treating-enterprise-ai-as-an-operating-layer/
1•joozio•55m ago•0 comments

Show HN: CrossTrack – Cross-platform identity resolution as a service

2•jamespeng•58m ago•0 comments

Ask HN: What are the machine requirements for a LLM like Llama-3.1-8B?

2•wasimsk•1h ago•1 comments

Reed Hastings to step down from Netflix board

https://www.theguardian.com/media/2026/apr/16/netflix-chair-reed-hastings
2•abawany•1h ago•0 comments
Open in hackernews

First bikebell against noise-canceling headphones

https://www.welovecycling.com/wide/duobell/
11•mccolly•1h ago

Comments

4ggr0•45m ago
previous post about this from 8 days ago with over 600 points and comments: https://news.ycombinator.com/item?id=47687248
taspeotis•41m ago
It’s actually the second one https://news.ycombinator.com/item?id=47687248
vie00001•38m ago
Isn’t that the same one?
terabytest•37m ago
Are they selling this anywhere or is it just a marketing gimmick?
Toutouxc•35m ago
Interesting idea but I don’t like this:

> More pedestrians than ever use ANC headphones.

> Car horns get through, but bike bells get blocked. Leading to a rise in cyclist / pedestrian collisions.

Either you’re talking about using the bell to avoid an imminent collision, like you would use the horn in a car, which is both kind of hard to do (ring a bell while braking hard) and doesn’t fit the “5 seconds” timeframe.

Or you’re talking about just announcing your presence to the headphone user, which doesn’t give you the right to endanger them in any way, so if they don’t hear you and you crash into them, it’s almost entirely your fault for not slowing down and/or making a wider circle around them. If ANC headphones are leading to more collisions, it’s mostly an infrastructure problem and a people problem, not a headphones problem.