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Cycling Game (Mini Neural Net Demo)

https://www.doc.ic.ac.uk/~ajd/Cycling/
23•ungreased0675•1mo ago

Comments

ungreased0675•1mo ago
A game where each cyclist is a mini neural network, and they try to figure out an optimal strategy.
JKCalhoun•1mo ago
I like this a lot.

Trying to understand: so there is a single layer between the inputs and the output? And the inputs are all computed…

Interesting that there is (I assume a running) average 100m gradient and a separate 1000m gradient. I suppose so brains can differentiate between brief climbs/descents and longer climbs/descents.

Wondering now about an input for "Less than 100m to finish" to allow for last second sprinting. Or "Rider approaching behind within 10m".

tetris11•1mo ago
Wouldn't the race progress > 0.9 be a good enough input?
john2095•3w ago
I'd love to know what I'm looking at. The description doesn't really help me understand how/why/what it means as the numbers are change.
john2095•3w ago
The circles next to their names represent gold, silver, and bronze. The anaerobic battery starts at 15000J and can run down to zero, but is also goes up when, "power change" is negative? means they're making less aerobic effort so 'recovering'?

The first column of numbers is the input scaled to a real number between 0.0 and 1.0

Not sure what the color of the flags mean, if anything. Not sure what the middle column of 4 numbers are or how/why they change. Still not sure what "power change" actually is.

Al Lowe on model trains, funny deaths and working with Disney

https://spillhistorie.no/2026/02/06/interview-with-sierra-veteran-al-lowe/
46•thelok•2h ago•4 comments

Hoot: Scheme on WebAssembly

https://www.spritely.institute/hoot/
106•AlexeyBrin•6h ago•18 comments

OpenCiv3: Open-source, cross-platform reimagining of Civilization III

https://openciv3.org/
795•klaussilveira•20h ago•243 comments

Stories from 25 Years of Software Development

https://susam.net/twenty-five-years-of-computing.html
41•vinhnx•4h ago•6 comments

Reinforcement Learning from Human Feedback

https://rlhfbook.com/
67•onurkanbkrc•5h ago•5 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
1047•xnx•1d ago•589 comments

Start all of your commands with a comma (2009)

https://rhodesmill.org/brandon/2009/commands-with-comma/
465•theblazehen•2d ago•167 comments

France's homegrown open source online office suite

https://github.com/suitenumerique
515•nar001•5h ago•238 comments

The AI boom is causing shortages everywhere else

https://www.washingtonpost.com/technology/2026/02/07/ai-spending-economy-shortages/
68•1vuio0pswjnm7•7h ago•75 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
187•jesperordrup•11h ago•65 comments

Coding agents have replaced every framework I used

https://blog.alaindichiappari.dev/p/software-engineering-is-back
196•alainrk•5h ago•292 comments

Selection Rather Than Prediction

https://voratiq.com/blog/selection-rather-than-prediction/
4•languid-photic•3d ago•0 comments

A Fresh Look at IBM 3270 Information Display System

https://www.rs-online.com/designspark/a-fresh-look-at-ibm-3270-information-display-system
29•rbanffy•4d ago•5 comments

Software factories and the agentic moment

https://factory.strongdm.ai/
55•mellosouls•3h ago•56 comments

72M Points of Interest

https://tech.marksblogg.com/overture-places-pois.html
22•marklit•5d ago•1 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
108•videotopia•4d ago•27 comments

Where did all the starships go?

https://www.datawrapper.de/blog/science-fiction-decline
62•speckx•4d ago•65 comments

British drivers over 70 to face eye tests every three years

https://www.bbc.com/news/articles/c205nxy0p31o
176•bookofjoe•2h ago•157 comments

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

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271•isitcontent•21h ago•35 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
198•limoce•4d ago•108 comments

Monty: A minimal, secure Python interpreter written in Rust for use by AI

https://github.com/pydantic/monty
282•dmpetrov•21h ago•151 comments

Making geo joins faster with H3 indexes

https://floedb.ai/blog/how-we-made-geo-joins-400-faster-with-h3-indexes
153•matheusalmeida•2d ago•47 comments

Hackers (1995) Animated Experience

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551•todsacerdoti•1d ago•266 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
423•ostacke•1d ago•110 comments

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https://github.com/sandys/kappal
19•sandGorgon•2d ago•10 comments

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365•vecti•23h ago•167 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
465•lstoll•1d ago•305 comments

Ga68, a GNU Algol 68 Compiler

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40•matt_d•4d ago•16 comments

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https://eljojo.github.io/rememory/
343•eljojo•23h ago•212 comments

What Is Ruliology?

https://writings.stephenwolfram.com/2026/01/what-is-ruliology/
67•helloplanets•4d ago•70 comments