Technology

A shell colon does nothing. Use it anyway

Article URL: https://refp.se/articles/your-shell-and-the-magic-colon Comments URL: https://news.ycombinator.com/item?id=49047453 Points: 199 # Comment…

2026-07-26

Running a 28.9M parameter LLM on an $8 microcontroller

Article URL: https://github.com/slvDev/esp32-ai Comments URL: https://news.ycombinator.com/item?id=49050512 Points: 189 # Comments: 42…

2026-07-26

GM Backs Sodium Ion Batteries for U.S. Grid Storage

Article URL: https://spectrum.ieee.org/sodium-ion-battery-peak-energy Comments URL: https://news.ycombinator.com/item?id=49051947 Points: 181 # Commen…

2026-07-26

The Best Subscription-Free Home Security Cameras I’ve Tried

You don’t have to upload your video to the cloud or pay a monthly fee to secure your home. These security cameras record locally.…

2026-07-26

The Best Motorola Phones, From Razr to Moto G (2026)

Motorola phones may seem old-school, but their reasonable prices, colorful designs, and simple software make them good, wallet-friendly Android smartp…

2026-07-26

The Solution to the Power Grid's Woes Might Just Be Sitting in Your Driveway

More electric vehicles are becoming capable of providing backup power at a time when the US is increasingly in need of more electrons.…

2026-07-26

All the Ways You Can Make Reading on Your Phone Easier

Tired of eye strain? These tips will help optimize your smartphone for marathon reading sessions.…

2026-07-26

The Best Backpacking Sleeping Pads, Tested on the Trail (2026)

Our top-pick sleeping pads from Nemo, Therm-a-Rest, and Gossamer Gear use high-tech materials to engineer the best sleep you can get outdoors.…

2026-07-26

Show HN: I made some transistor animations

Hi HN, I made some animations of the most important kinds of transistors using my semiconductor simulation, details of which are on the page. I tried …

2026-07-26

Show HN: Brolly, a plain-text weather forecast site

The UK MET office recently redesigned their site, adding a lot of additional whitespace, scrolling, and animations. This significantly reduced its usa…

2026-07-26

JetZero

Article URL: https://www.jetzero.aero Comments URL: https://news.ycombinator.com/item?id=49054224 Points: 170 # Comments: 123…

2026-07-26

Turn And Face The Strange

Article URL: https://fly.io/blog/kurt-scott-money-sprites/ Comments URL: https://news.ycombinator.com/item?id=49051369 Points: 184 # Comments: 124…

2026-07-26

The new rules of context engineering for Claude 5 generation models

Article URL: https://claude.com/blog/the-new-rules-of-context-engineering-for-claude-5-generation-models Comments URL: https://news.ycombinator.com/it…

2026-07-26

Bitchat is now on Radicle

Article URL: https://radicle.network/nodes/rosa.radicle.network/rad%3Az2v9tRJz1oknFAqCSY5W5c76nVvm6 Comments URL: https://news.ycombinator.com/item?id…

2026-07-26

Open-weight AI is having its Kubernetes moment

Article URL: https://tobi.knaup.me/2026-07-25-open-weight-ai-is-having-its-kubernetes-moment/ Comments URL: https://news.ycombinator.com/item?id=49048…

2026-07-25

SpaceX eyes tower catch for next Starship after auspicious end to 13th flight

SpaceX will likely attempt to catch Starship back at the launch pad on its next flight.…

2026-07-25

ARC-AGI Leaderboard

Article URL: https://arcprize.org/leaderboard Comments URL: https://news.ycombinator.com/item?id=49045040 Points: 164 # Comments: 127…

2026-07-25

Don't Take the Black Pill [video]

Article URL: https://www.youtube.com/watch?v=zLZwpH5lCD4 Comments URL: https://news.ycombinator.com/item?id=49038298 Points: 227 # Comments: 199…

2026-07-25

One fallen power line exposed a growing AI data center problem. Here’s how to fix it.

A close call in Northern Virginia revealed just how poorly data centers respond to grid disruptions. Here's how to fix the problem.…

2026-07-25

Warner Bros. is suing Amazon for poaching employees

Warner Bros. Discovery has filed suit against Amazon, accusing it of illegally poaching employees, including Pia Barlow, former senior VP for original…

2026-07-25

Teenage Engineering’s unique music machines are 30 percent off

With elements from synthesizers, loopers, and effects pedals, Teenage Engineering’s devices lie somewhere between musical instrument and modern art. T…

2026-07-25

Synth historian Oli Freke will spend big on a good bicycle

Oli Freke is a musician and journalist whose works have appeared in Sound on Sound, The Quietus, and Mixmag. This has included using math to explore t…

2026-07-25

Librarians are hosting viral ‘Avoiding AI’ workshops for people who are fed up with Big Tech

At libraries around the country, "Avoiding AI" workshops have elicited unprecedented demand.…

2026-07-25

With help from data, art museums are reframing the visitor experience

Museums are embracing data-driven curation and a shifting technology landscape.…

2026-07-25

Hannah Fry Wins the Leelavati Prize in 2026 for Mathematics Outreach

Article URL: https://www.maths.cam.ac.uk/features/professor-hannah-fry-wins-leelavati-prize Comments URL: https://news.ycombinator.com/item?id=4904372…

2026-07-25

Android May Soon Restrict On-Device ADB

Article URL: https://kitsumed.github.io/blog/posts/android-may-soon-restrict-on-device-adb/ Comments URL: https://news.ycombinator.com/item?id=4904515…

2026-07-25

Why Leatherology Makes Some of the Best Totes for Work (2026)

I packed these Leatherology totes with laptops, chargers, and everything else my workday demands. Months later, they’re still the bags I keep reaching…

2026-07-25

3 Clever Things You Can Do With an Old Amazon Kindle

These e-readers are more useful in their old age than you might think.…

2026-07-25

Cricut Explore 5 vs. Siser Romeo: Hobby Craft Cutter or Production Vinyl Plotter? (2026 Guide)

Friendly hobby machine or serious production tool? Here’s how to know which one is for you.…

2026-07-25

What Surrounds Us will make you think a lot about circles

What Surrounds Us takes its title literally. You play as a circle surrounding a hole in its middle - it looks like a donut with frosting. You work tog…

2026-07-25