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Diagram of the Raft algorithm with leader and followers in distributed consensus
Programación

Raft: The Consensus Algorithm Behind etcd and Kubernetes

The Raft algorithm solves how a distributed cluster elects a single leader and replicates its log without corrupting data during node failures. Etcd, Kubernetes, Consul, and CockroachDB use it in production to maintain strong consistency.

By Andrés Morales, 1 month18 July, 2026 ago
Artistic illustration of the LHS 1140b atmosphere around a red dwarf star
Noticias Tech

First Atmosphere Detected on a Habitable Rocky Planet: LHS 1140b

A Harvard-led team detected helium in the atmosphere of LHS 1140b, the first confirmed atmosphere on a rocky planet within another star’s habitable zone. Helium alone can’t sustain life, but the discovery marks a milestone in the search for habitable worlds.

By Andrés Morales, 1 month18 July, 2026 ago
Terminal running ANALYZE on a SQLite in production database
Programación

SQLite in Production: ANALYZE, WAL, and Backups with Litestream

Running SQLite in production is not just about copying the .db file: you need to understand ANALYZE, WAL mode, and how to make backups that actually restore. This guide covers all three with exact commands and code examples.

By Andrés Morales, 1 month18 July, 2026 ago
IoT security diagram: firmware extraction with SPI programmer
Seguridad

TP-Link Kasa EC71: Fleet-Wide RSA and Unsalted MD5 Exposed in CVE-2026-9770

A researcher extracted the firmware from a Kasa Spot EC71 camera and found an RSA key shared across the entire fleet, passwords stored with unsalted MD5, and GPS data exposed without authentication. TP-Link fixed all three flaws in firmware 2.4.1 after six months of coordinated disclosure.

By Clara Vásquez, 1 month18 July, 2026 ago
Zilog Z80 40-pin integrated circuit chip on a retro circuit board
Noticias Tech

The Zilog Z80 Turns 50: Here’s Its Internal Architecture

The Zilog Z80 turned 50 in July 2026, two years after Zilog discontinued the original chip. We look at its internal architecture, its origin tied to the Intel 8008, and how to program it today with free tools.

By Javier Alarcón, 1 month18 July, 2026 ago
Diagram of progressive JPEG scans overwriting an image
Noticias Tech

Progressive JPEG: how to hide a 90-frame video inside a single file

A developer known as Maurycy published a technique that abuses the progressive JPEG format to hide video inside a single image. The trick doesn’t use codecs or JavaScript: it only takes advantage of how the browser processes the file’s scans.

By Andrés Morales, 1 month18 July, 2026 ago
Open Book Touch, open source e-reader with e-paper display and front light
Programación

Open Book Touch: Open Source E-Reader Raises $46,393 on Crowd Supply

Open Book Touch surpassed its funding goal on Crowd Supply with $46,393 raised. The open source e-reader by Oddly Specific Objects reads EPUB, runs without Linux, and draws less than 1 milliamp.

By Andrés Morales, 1 month17 July, 2026 ago
Illustration of the OpenVM zkVM representing a cryptographic verification circuit
Seguridad

OpenVM Patches CVE-2026-46669: An AI Found a Critical Bug in Its zkVM

zkao, zkSecurity’s AI auditor, found a critical soundness bug in the openvm-pairing library of the OpenVM zkVM after nine and a half hours of scanning. The flaw, cataloged as CVE-2026-46669, allowed a malicious prover to forge any pairing equality and has already been fixed in OpenVM 1.6.0.

By Clara Vásquez, 1 month17 July, 2026 ago
Scientific AI chips in China: Huawei Ascend cluster manufactured by SMIC
Inteligencia Artificial

China Accelerates Its Scientific AI with Homegrown Chips Despite the US Ban

While Washington restricts the export of advanced GPUs, Chinese labs are accelerating the use of AI in scientific research with homegrown hardware like the Huawei Ascend. The strategy combines domestic chips, efficient models like DeepSeek, and a state policy pushing AI applied to science.

By Andrés Morales, 1 month17 July, 2026 ago
EEG electrodes on the scalp recording brain activity during auditory attention
Noticias Tech

EEG Confirms the Brain Processes Two Voices at Once When Switching Attention

An EEG study published in PLOS Biology shows that the human brain briefly encodes two competing voices when the focus of auditory attention shifts. The transition is accompanied by a drop in alpha power and suggests the brain resets its lexical context after the switch.

By Andrés Morales, 1 month17 July, 2026 ago

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