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Token-to-Credit Conversion: Avoiding Floating-Point Errors in AI Billing Systems

https://app.writtte.com/read/kZ8Kj6R
1•lasgawe•8s ago•1 comments

The Story of Heroku (2022)

https://leerob.com/heroku
1•tosh•27s ago•0 comments

Obey the Testing Goat

https://www.obeythetestinggoat.com/
1•mkl95•1m ago•0 comments

Claude Opus 4.6 extends LLM pareto frontier

https://michaelshi.me/pareto/
1•mikeshi42•1m ago•0 comments

Brute Force Colors (2022)

https://arnaud-carre.github.io/2022-12-30-amiga-ham/
1•erickhill•4m ago•0 comments

Google Translate apparently vulnerable to prompt injection

https://www.lesswrong.com/posts/tAh2keDNEEHMXvLvz/prompt-injection-in-google-translate-reveals-ba...
1•julkali•4m ago•0 comments

(Bsky thread) "This turns the maintainer into an unwitting vibe coder"

https://bsky.app/profile/fullmoon.id/post/3meadfaulhk2s
1•todsacerdoti•5m ago•0 comments

Software development is undergoing a Renaissance in front of our eyes

https://twitter.com/gdb/status/2019566641491963946
1•tosh•6m ago•0 comments

Can you beat ensloppification? I made a quiz for Wikipedia's Signs of AI Writing

https://tryward.app/aiquiz
1•bennydog224•7m ago•1 comments

Spec-Driven Design with Kiro: Lessons from Seddle

https://medium.com/@dustin_44710/spec-driven-design-with-kiro-lessons-from-seddle-9320ef18a61f
1•nslog•7m ago•0 comments

Agents need good developer experience too

https://modal.com/blog/agents-devex
1•birdculture•8m ago•0 comments

The Dark Factory

https://twitter.com/i/status/2020161285376082326
1•Ozzie_osman•8m ago•0 comments

Free data transfer out to internet when moving out of AWS (2024)

https://aws.amazon.com/blogs/aws/free-data-transfer-out-to-internet-when-moving-out-of-aws/
1•tosh•9m ago•0 comments

Interop 2025: A Year of Convergence

https://webkit.org/blog/17808/interop-2025-review/
1•alwillis•10m ago•0 comments

Prejudice Against Leprosy

https://text.npr.org/g-s1-108321
1•hi41•11m ago•0 comments

Slint: Cross Platform UI Library

https://slint.dev/
1•Palmik•15m ago•0 comments

AI and Education: Generative AI and the Future of Critical Thinking

https://www.youtube.com/watch?v=k7PvscqGD24
1•nyc111•16m ago•0 comments

Maple Mono: Smooth your coding flow

https://font.subf.dev/en/
1•signa11•16m ago•0 comments

Moltbook isn't real but it can still hurt you

https://12gramsofcarbon.com/p/tech-things-moltbook-isnt-real-but
1•theahura•20m ago•0 comments

Take Back the Em Dash–and Your Voice

https://spin.atomicobject.com/take-back-em-dash/
1•ingve•21m ago•0 comments

Show HN: 289x speedup over MLP using Spectral Graphs

https://zenodo.org/login/?next=%2Fme%2Fuploads%3Fq%3D%26f%3Dshared_with_me%25253Afalse%26l%3Dlist...
1•andrespi•22m ago•0 comments

Teaching Mathematics

https://www.karlin.mff.cuni.cz/~spurny/doc/articles/arnold.htm
2•samuel246•24m ago•0 comments

3D Printed Microfluidic Multiplexing [video]

https://www.youtube.com/watch?v=VZ2ZcOzLnGg
2•downboots•24m ago•0 comments

Abstractions Are in the Eye of the Beholder

https://software.rajivprab.com/2019/08/29/abstractions-are-in-the-eye-of-the-beholder/
2•whack•25m ago•0 comments

Show HN: Routed Attention – 75-99% savings by routing between O(N) and O(N²)

https://zenodo.org/records/18518956
1•MikeBee•25m ago•0 comments

We didn't ask for this internet – Ezra Klein show [video]

https://www.youtube.com/shorts/ve02F0gyfjY
1•softwaredoug•26m ago•0 comments

The Real AI Talent War Is for Plumbers and Electricians

https://www.wired.com/story/why-there-arent-enough-electricians-and-plumbers-to-build-ai-data-cen...
2•geox•28m ago•0 comments

Show HN: MimiClaw, OpenClaw(Clawdbot)on $5 Chips

https://github.com/memovai/mimiclaw
1•ssslvky1•29m ago•0 comments

I Maintain My Blog in the Age of Agents

https://www.jerpint.io/blog/2026-02-07-how-i-maintain-my-blog-in-the-age-of-agents/
3•jerpint•29m ago•0 comments

The Fall of the Nerds

https://www.noahpinion.blog/p/the-fall-of-the-nerds
1•otoolep•31m ago•0 comments
Open in hackernews

Restoring a Sinclair C5

https://woof.tech/@crashtestdev/114411537491626882
54•sohkamyung•9mo ago

Comments

zabzonk•9mo ago
Ohmigod - the nadir of British industry (or was that the Sinclair QL). I used occasionally see one of these scuttling around the North Circular in London UK, and I guess I admired the owner for his suicidal bravery, given that the NC is one of London's busiest roads.

Basically, a plastic shell around a washing-machine motor and under-watted battery - you could also pedal it yourself, except you really couldn't. And don't forget the flagstaff so HGV drivers have a chance of seeing you.

LeoPanthera•9mo ago
It is amazing, and depressing, how the urban legends surrounding the C5 persist, despite the truth being only a quick internet search away.

The electric motor was custom designed for the C5 by Polymotor. The chassis was engineered by Lotus, and while the shell is indeed injection-moulded polypropylene, this at the time innovative method was both strong and light.

The pedals provided assistance on inclines, and were not designed as the primary form of propulsion. For their intended function, they worked well. (See also the German designed “twike”.)

I think it’s sad that we enjoy denigrating commercial failures. Clive was simply ahead of his time. Electric vehicles and alternative personal transportation is a big industry now - the technology to realize his vision simply didn’t exist in 1985.

crashtestdev•9mo ago
Absolutely this; I'd go out on a limb here and say the C5 was a technological masterpiece of the time, the range and speed is equal to modern mid-range e-scooters that use far more powerful lithium batteries and far more efficient motors and control electronics, technologically it was fully there. What wasn't there was the market, it was really the only well known vehicle of it's class, so without anything else for people to compare it to, they compared it to cars and motorbikes which of course it pales against.

As for the "you can't really peddle it", I have no idea where that came from, I've so far only used it with peddles and it was absolutely fine, not great, not terrible either, just a heavyish fixed gear bike.

bizzyskillet•9mo ago
I think "Recumbent Tricycle" is my new favourite insult
detaro•9mo ago
... why would that be an insult?
hackingonempty•9mo ago
Interesting historically but if you want a real machine you can ride that's fast and comfortable there are commercial velomobiles available now that have been refined over several generations.

Ride as fast as a pro, shade in the summer, shorts and t-shirts in the winter, enough room to go camping or just bring a pie to a party, ass never hurts, and all for the same price as a top of the line road bike...

https://www.velomobileworld.com/

https://en.velomobiel.nl/

https://www.intercitybike.nl/en/

tonyedgecombe•9mo ago
I've been pondering getting one of these in my old age:

https://www.icetrikes.co

Not as fast as a velomobile but I don't really care about that anymore. It should cut out the risks of falling off and breaking a hip.

crashtestdev•9mo ago
They look cool; but ultimately I wanted the C5 just because it's a weird piece of technology and history which I like, not really for the practicality of riding anywhere.
ggm•9mo ago
Many of them were acquired by a gym chain, and stuck by the side of roads with a flag in them saying "Thor's Gym" or something. Eye-catcher roadside trash.
webprofusion•9mo ago
Rad. The main problem was that they marketed it to adults, and they should have sold it to kids instead. I would have sold a kidney.
TomMasz•9mo ago
Really. Different marketing, and let's be honest, better battery technology, and this would have succeeded.
crashtestdev•9mo ago
Although to be honest, it's original 80 AH lead acid battery got the same speed and range as my 1st generation Pure Air e-scooter that I used to commute to work every day in 2022, that's nearly 40 years newer technology, I think it ultimately failed because the market for city bound electric assisted vehicles just didn't exist yet.
Lio•9mo ago
We had a C5 that was donated to my school.

The science teacher replaced the motorbike battery with a car battery… and I got to ride it once.

It was magic. :D

jdsnape•9mo ago
Always good to see more Sinclair C5 content. My one claim to fame is that I am the person pictured 'driving' a friend's Sinclair C5 on the wikipedia page!
MisterTea•9mo ago
Ha! In the photo it looks like you're going "fast" so I have to ask, how does the handle bar placement feel in terms of comfort and safety? With your arms reaching down it looks as if you are vulnerable to being launched forward because you cant push back with your arms.
petercooper•9mo ago
Nice! I was in Cromer, Norfolk over the Easter holidays and saw my first C5 in the flesh. It was kinda odd as it seemed to be following me around as it was parked up in numerous places I went during the day, but someone is clearly getting around well on it in a pretty hilly area :)
mattl•9mo ago
Red Dwarf fans can see Lister riding around on his “space bike” in early episodes which is just a Sinclair C5 with some handles and a few other things added on for decoration.