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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, 2 months18 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, 2 months18 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, 2 months17 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, 2 months17 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, 2 months17 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, 2 months17 July, 2026 ago
Decoy Font letters showing a real message and a decoy message overlaid
Noticias Tech

Decoy Font: the TTF Font That Hides Text with Hybrid Images

Mixfont released Decoy Font, a free TTF typeface that hides a fake message for artificial intelligence inside every letter that remains visible to humans. The technique, based on hybrid images, fooled ChatGPT and Gemini 3.5 with Thinking in its own creators’ tests.

By Andrés Morales, 2 months17 July, 2026 ago
Diagram of singular value decomposition SVD and PCA in data mathematics
Inteligencia Artificial

SVD and PCA: The Math That Compresses Thousands of Dimensions Into a Few

SVD and PCA are the mathematical foundation that makes it possible to compress high-dimensional data without losing relevant information. A new academic book on arXiv organizes all this theory, and here we explain it with Python code from scratch.

By Andrés Morales, 2 months16 July, 2026 ago
Comic Chat client interface showing comic characters in an IRC chat
Programación

Microsoft Open-Sources Comic Chat, the Origin of Comic Sans

Microsoft released the source code of Comic Chat, the 1996 IRC client that drew every conversation as a comic strip. The GitHub release lets you study how the software automatically generated expressions, gestures, and panels from typed text, and how that interface helped popularize the Comic Sans typeface.

By Andrés Morales, 2 months16 July, 2026 ago
Kimi K3 interface showing the Kimi Work, Kimi Code, and Kimi Claw products
Noticias Tech

Moonshot AI Launches Kimi K3 and Splits It into Work, Code, and Claw

Moonshot AI redesigned kimi.com around Kimi K3, splitting the assistant into three products: Kimi Work, Kimi Code, and Kimi Claw. There is still no public technical spec sheet for the model.

By Andrés Morales, 2 months16 July, 2026 ago

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