Technology

Show HN: Edky, a CLI to convert Ed25519 public keys from one encoding to another

Everything increasingly runs on Ed25519 keypairs, but Ed25519 public keys can be encoded as text in dozens of surface-incompatible different ways: hexadecimal, Base64 (OpenSSH), Base32z (iroh, pkdns)...

Hacker News • Jul 21, 2026 • arto
Technology Jul 21, 2026

YouTube System Design for Robotics Data Infrastructure

Article URL: https://hebbianrobotics.com/blog/youtube-system-design-for-robotics-data-infrastructure Comments URL: http...

Technology Jul 21, 2026

Data centers expected to use 4x more electricity by 2035

New data centers built through 2033 could consume as much electricity as India uses today.

Technology Jul 21, 2026

Tesla spins up robotaxi pilots in Orlando and Tampa ahead of Q2 earnings

The company didn't say how many are in each city, and has taken a far more cautious approach to scaling the network than...

Technology Jul 21, 2026

Greedy is optimal for single-pass semi-streaming matching

Article URL: https://arxiv.org/abs/2607.14656 Comments URL: https://news.ycombinator.com/item?id=48995814 Points: 6 # C...

Technology Jul 21, 2026

Apple Private Cloud Compute SoC 3 audit reports

Article URL: https://support.apple.com/guide/certifications/apple-private-cloud-compute-soc-3-audit-apc95a31b9d8/web Co...

Technology Jul 21, 2026

Naked mole-rat queens use a chemical signal to suppress fertility in rivals

A single chemical made by mole-rat queens enforces the social order.

Technology Jul 21, 2026

Show HN: DocCharm – The help center that keeps itself up to date

Hello HN!We were finding it too much work to keep our Zendesk help center up to date as our product kept changing, so I...

Technology Jul 21, 2026

Anthropic’s $1.5B copyright settlement approved; only 350 authors opted out

Anthropic blocks authors from opting out of $1.5B settlement at last minute. ...

Technology Jul 21, 2026

Show HN: Imagin Raw – A 9MB Open-Source Alternative to Adobe Bridge for Mac

Article URL: https://github.com/cristibaluta/Imagin-Raw Comments URL: https://news.ycombinator.com/item?id=48995444 Poi...

Technology Jul 21, 2026

Firefox Containers Preview

Article URL: https://blog.mozilla.org/en/firefox/firefox-containers-preview/ Comments URL: https://news.ycombinator.com...

Technology Jul 21, 2026

Laguna S 2.1

Article URL: https://poolside.ai/blog/introducing-laguna-s-2-1 Comments URL: https://news.ycombinator.com/item?id=48995...

Technology Jul 21, 2026

Jack Dorsey launches Buzz to combine team chat, AI agents and Git hosting

Article URL: https://runtimewire.com/article/jack-dorsey-block-buzz-team-chat-ai-agents-git Comments URL: https://news....

Technology Jul 21, 2026

Nearly every Kindle is steeply discounted at Best Buy

If you’ve been thinking about picking up a Kindle before school starts, or for your next vacation, now’s a g...

Technology Jul 21, 2026

Steam Deck sales are losing steam since May's price hike

Analysis of bestseller charts shows an 80 percent dip from 2025's sales rate. ...

Technology Jul 21, 2026

Apple’s rumored ‘Upgrade’ program brings lease-to-own pricing for iPhones, Macs, and iPads

As component and RAM shortages drive prices higher, Apple is reportedly launching an "Apple Upgrade" program for leasing...

Technology Jul 21, 2026

Show HN: CodeAlmanac – Karpathy-style codebase wiki from your conversations

Hey HN! This is Divit from Almanac (YC S26). We built CodeAlmanac, a wiki for your coding agents that updates as you ta...

Technology Jul 21, 2026

Google releases three new Gemini models — but no 3.5 Pro

Google released Gemini 3.6 Flash, 3.5 Flash-Lite, and Flash Cyber, but the continued absence of Gemini 3.5 Pro raises fr...

Technology Jul 21, 2026

Uhubctl – control USB power per-port on smart USB hubs

Article URL: https://github.com/mvp/uhubctl Comments URL: https://news.ycombinator.com/item?id=48995149 Points: 3 # Com...

Technology Jul 21, 2026

I built a page that tells you what AI model your laptop can run

Article URL: https://localsotabenchmark.engineersf.dev/ Comments URL: https://news.ycombinator.com/item?id=48995134 Poi...

Technology Jul 21, 2026

Meta's AI Models Are Powering the First Wave of Genesis Mission Projects

Article URL: https://ai.meta.com/blog/genesis-mission-lawrence-berkeley-national-laboratory-segment-anything-dino/?_fb_...

Technology Jul 21, 2026

Bloomy (YC S26) is hiring a founding engineer

Comments URL: https://news.ycombinator.com/item?id=48995037 Points: 0 # Comments: 0

Technology Jul 21, 2026

Twitch will let parents stop their teens going live

Twitch is giving parents more control over how their children are using the streaming platform, including the ability to...

Technology Jul 21, 2026

Google announces Gemini 3.6 Flash and cybersecurity AI, teases 3.5 Pro and Gemini 4

There are new 3.6 and 3.5 models today, but Google is already training Gemini 4. ...

Technology Jul 21, 2026

Show HN: OSS Cross-Harness self hosted registry and analytics for AI Agents

Article URL: https://github.com/Observal/Observal Comments URL: https://news.ycombinator.com/item?id=48994984 Points: 1...

Technology Jul 21, 2026

Anthropic’s $1.5 billion book piracy settlement approved by judge

A federal judge has signed off on Anthropic's $1.5 billion class action settlement with authors who accused the company ...

Technology Jul 21, 2026

Roblox Officially Supports GrapheneOS

Article URL: https://en.help.roblox.com/hc/en-us/articles/49648939984916-Android-Remote-Attestation Comments URL: https...

Technology Jul 21, 2026

Instagram now lets you swap out the music in your old posts

With the new "Replace Audio," tool, users can update the music on their post at any time while keeping the post's existi...

Technology Jul 21, 2026

Instagram will let users endlessly swap the audio on old posts

There's a symbiotic - and sometimes frustrating - relationship between social media sites and the creators that depend o...

Technology Jul 21, 2026

Tesla Robotaxis go to Florida

It must be earnings day, because Tesla is making a Robotaxi announcement. The company said in a post on X that it was la...