El Solitario

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Andrés Morales

Developer and AI researcher. Writes about language models, frameworks, developer tooling, and open source releases. Covers ML papers, the tech startup ecosystem, and programming trends.
Diagram of DNS resolution showing a domain query's path to an IP address
Programación

DNS: How Your Browser Translates a Domain into an IP Address

Every time you type a URL, your device triggers a chain of DNS queries across several servers before it gets an IP address. We show what happens at each step, what record types exist, and how to diagnose resolution issues with dig and nslookup.

By Andrés Morales, 6 days20 August, 2026 ago
Diagram of WebAudio fingerprinting detected on AliExpress
Noticias Tech

AliExpress Creates Hidden AudioContext Objects for WebAudio Fingerprinting

A developer discovered that AliExpress’s webpage creates two hidden AudioContext objects that fingerprint the browser using WebAudio. The finding surfaced because that processing was interfering with his multipoint Bluetooth headphones.

By Andrés Morales, 6 days20 August, 2026 ago
Git tags in AOSP: manifest and Android repositories
Noticias Tech

GrapheneOS: Google Stops Using Git Tags in Certain AOSP Repos

GrapheneOS reported that Google stopped pushing Git tags to certain AOSP source repositories. The change complicates how Android forks verify that their code matches Google’s official builds.

By Andrés Morales, 6 days20 August, 2026 ago
Live SondeHub map tracking a radiosonde in flight
Noticias Tech

SondeHub: the 2018 joke domain that ended up mapping artillery

In 2018, a group of ham radio operators registered sondehub.org as a joke. Eight years later, the project ended up mapping military installations, tracking the balloon the United States shot down in 2023, and detecting traffic its operator links to the war in Ukraine.

By Andrés Morales, 7 days19 August, 2026 ago
Map of tropical islands used for CUDA geolocation in the gralhix 004 challenge
Noticias Tech

OSINT with CUDA: Geolocating an Island by Comparing 80M Triangles

An OSINT researcher solved the gralhix 004 challenge without using Google Lens: he built a geometric fingerprint from three islands and compared it against 80,690,777 candidate triangles with a CUDA kernel. The pipeline filters the planet by latitude, density, and clustering before launching the GPU search.

By Andrés Morales, 7 days19 August, 2026 ago
Ecommerce search results with search ads mixed among organic products
Noticias Tech

The Ad You See on Amazon Doesn’t Make You Buy More, Just Choose

A study cited by Seth Godin shows that search ads on marketplaces like Amazon don’t increase total sales, they only decide which seller gets each purchase. Here we explain the mechanism with code and examples.

By Andrés Morales, 1 week18 August, 2026 ago
Original id Software Quake Shareware CD-ROM from 1996
Noticias Tech

Quake Shareware CD: GNOMON Cracked id Software’s Protection in 39 Days

In 1996, id Software tried to sell its entire catalog inside the Quake shareware CD-ROM through a phone unlock system. The GNOMON group cracked it in 39 days, and the company ended up with 150,000 unsold discs.

By Andrés Morales, 1 week18 August, 2026 ago
Diagram of a GitHub Actions workflow showing the Copilot Autofix vulnerability in Snowflake
Inteligencia Artificial

Wiz Red Agent Exploits a Copilot Autofix Bug in a Snowflake Workflow

A commit co-signed by Copilot Autofix replaced the safe parsing of a Snowflake workflow with an interpolation vulnerable to command injection. Five days later, Wiz’s Red Agent, an autonomous AI-powered research tool, found and exploited the flaw to steal an internal Jira token.

By Andrés Morales, 1 week17 August, 2026 ago
Diagram of a trie showing nodes branching letter by letter
Programación

Trie: The Data Structure Behind Autocomplete

A trie is a tree that indexes words letter by letter instead of using a full hash. Here’s how the structure behind instant autocomplete, spell checking, and IP routing works internally, with code examples in JavaScript and Python.

By Andrés Morales, 1 week17 August, 2026 ago
Diagram of an AI model with less factual knowledge and more reasoning
Inteligencia Artificial

Qwen3.5 Reasons Almost as Well as GLM-5.2 but Hallucinates 82% of Facts

AI labs are deliberately trimming factual knowledge from their models to gain pure reasoning power. GLM-5.2, Qwen3.5, and DeepSeek V4-Flash show the pattern with concrete numbers, and the trend points toward running a frontier model on a single consumer GPU.

By Andrés Morales, 1 week16 August, 2026 ago

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