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Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
211•isitcontent•12h ago•24 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

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316•vecti•14h ago•139 comments

Show HN: If you lose your memory, how to regain access to your computer?

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263•eljojo•15h ago•156 comments

Show HN: R3forth, a ColorForth-inspired language with a tiny VM

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68•phreda4•11h ago•13 comments

Show HN: ARM64 Android Dev Kit

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Show HN: Slack CLI for Agents

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Show HN: Artifact Keeper – Open-Source Artifactory/Nexus Alternative in Rust

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150•bsgeraci•1d ago•63 comments

Show HN: Gigacode – Use OpenCode's UI with Claude Code/Codex/Amp

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17•NathanFlurry•20h ago•7 comments

Show HN: Slop News – HN front page now, but it's all slop

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Show HN: Fitspire – a simple 5-minute workout app for busy people (iOS)

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Show HN: Horizons – OSS agent execution engine

https://github.com/synth-laboratories/Horizons
23•JoshPurtell•1d ago•5 comments

Show HN: I built a RAG engine to search Singaporean laws

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Show HN: Daily-updated database of malicious browser extensions

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Show HN: Sem – Semantic diffs and patches for Git

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Show HN: Micropolis/SimCity Clone in Emacs Lisp

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172•vkazanov•2d ago•49 comments

Show HN: BioTradingArena – Benchmark for LLMs to predict biotech stock movements

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24•dchu17•16h ago•12 comments

Show HN: Falcon's Eye (isometric NetHack) running in the browser via WebAssembly

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Show HN: FastLog: 1.4 GB/s text file analyzer with AVX2 SIMD

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Show HN: Gohpts tproxy with arp spoofing and sniffing got a new update

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Show HN: Local task classifier and dispatcher on RTX 3080

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Show HN: I built a directory of $1M+ in free credits for startups

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Show HN: A Kubernetes Operator to Validate Jupyter Notebooks in MLOps

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Show HN: GitClaw – An AI assistant that runs in GitHub Actions

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Show HN: 33rpm – A vinyl screensaver for macOS that syncs to your music

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Show HN: Chiptune Tracker

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Show HN: Craftplan – I built my wife a production management tool for her bakery

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567•deofoo•5d ago•166 comments

Show HN: Disavow Generator – Open-source tool to defend against negative SEO

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5•SurceBeats•21h ago•1 comments
Open in hackernews

Show HN: Lamp Carousel – DIY kinetic sculpture powered by lamp heat (2024)

https://evan.widloski.com/posts/spinners/
104•Evidlo•1mo ago
I wanted to share this fun craft activity for the holidays that I've been doing with my family over the last few years. I came up with these while cutting up some cans trying to make an aluminum version of paper spinners.

There are a variety of shapes that work, but generally bigger+lighter spinners are better. Also incandescent bulbs are the best, but LEDs work too.

They remind me of candle carousels I would see at my grandparents' house during Christmas. Let me know what you think!

Comments

danielbln•1mo ago
These look fun, I'm partial to the dad turbine. Too bad (for something like this) that basically none of my lamps produce much heat these days.
anonymousiam•1mo ago
You're in luck:

https://inside.lighting/news/25-06/new-bill-pushes-end-incan...

mohaba•1mo ago
Why would they be in luck? Did you read the article? Just because the efficiency floor is eliminated doesn’t mean production would or even could restart.
thayne•1mo ago
Wow. That is disappointing, but not terribly surprising given the current government.
Evidlo•1mo ago
I've not found any LED bulbs that didn't put out enough heat to work.
yial•1mo ago
This is such a charming project! I’ve been quite taken for years by the “Christmas” decorations that spin using a candle.

I quite like these more - mainly because they could be added onto a lamp that puts off heat, and be kind of a perpetual decoration with subtle motion.

I love your “dad turbine” design, and the flying wing has some magical quality to it.

Thank you so much for sharing!

andai•1mo ago
Delightful, thank you for sharing. You have added a little bit of whimsy to the world :)
IshKebab•1mo ago
Do people still use incandescent bulbs in America?
rconti•1mo ago
Looks like they were only (generally) outlawed for sale in 2023. Though some states were ahead of that.

They last a long time, though, and I imagine a lot of people are still using their existing bulbs. I can't imagine doing that in CA, where our electricity is expensive, but if you're paying 6c/kWh, I suppose, may as well?

brcmthrowaway•1mo ago
I hope so.

Some lampshades call for a point source which LEDs struggle to replicate.

IshKebab•1mo ago
Wow imagine caring so little about the environment...
whitehexagon•1mo ago
A generation of under investment in energy production will create all kinds of government backed environmental propaganda. Incandescent bulbs = bad. Fossil fueled AI data centers = economy.

If there was a true environmental motivation for reducing our electricity usage, our bills wouldn't be 60% network charges, they would be 100% usage based charges.

IshKebab•1mo ago
Wait are you saying that you think incandescent bulbs aren't bad? Wtf?
lgvld•1mo ago
So cool, thanks for sharing.

We used to do that as children as well: a spiral cutted out of paper on top of a long skewer stuck into a potato. Felt like perpetual motion somehow.

It works if you put it on top of a radiator btw.

dpflug•1mo ago
This feels like the delightful oddities one would stumble across on the Old Internet. Thank you for sharing!
chews•1mo ago
It's like an on demand do-nothing machine - https://www.youtube.com/watch?v=kv6YvKPXQzk&list=RDkv6YvKPXQ...
gridphp•1mo ago
I thought it's something about LAMP Stack! lol
darubedarob•1mo ago
How can i make on that creates water light ripples on my roof?
Evidlo•1mo ago
Just make a big spinner and put it above a lamp with multiple bulbs. The interference pattern will make a ripple effect.
darubedarob•1mo ago
Thanks
blacksmith_tb•1mo ago
It wouldn't (just) be convection, but it would be easy to have a spinner over the top case fan on a PC... though going the other direction, convection off a fanless PC (I have a little Zotac) might be enough to spin a very light spinner (mylar might work, though to get a pivot without friction won't be easy).