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France's Ifremer completes deep-sea Argo dives, plans 30 more floats by 2028

Ifremer, France's state ocean agency, confirmed its two Deep-6000 prototype floats completed five dives reaching 6,000 meters between January and February this year, collecting rare data from the ocean's abyssal zone. This makes France the third nation, after China and the US, to build Argo floats able to reach such depths, and Ifremer plans to add 30 more deep-diving units to the global Argo fleet of 4,000 floats by 2028.

Meta details Delta, an internal object storage system built on chain replication

Meta has published an architectural overview of Delta, an internal object storage service designed to hold build and distribution artifacts and support disaster recovery bootstrap operations. Delta exposes just four operations—put, get, delete, and list—and prioritizes reliability and horizontal scalability over latency or storage efficiency.

HobbyKing brushless motors tested for use in small legged robots

An engineer with experience building low-cost running robots at a biomimetic robotics lab conducted mechanical teardowns and performance characterizations of several cheap HobbyKing brushless motors, aiming to assess whether they could serve as precise, torque-controlled actuators. The work notes that existing motor controllers—whether expensive industrial servo drives or basic hobby-grade RC controllers—are poorly suited to these motors' low-resistance, high-current characteristics, especially for the demands of dynamic running.

GM clarifies CarPlay picture-in-picture update applies only to gas trucks, not EVs

GM introduced a new picture-in-picture feature letting CarPlay and Android Auto run alongside its native infotainment system in the Chevy Silverado and GMC Sierra trucks. This sparked reports that GM was reversing its 2023 decision to drop phone projection from its EVs, but a GM spokesperson confirmed to journalist Joanna Stern that the update applies only to gas-powered light-duty pickups, which never lost CarPlay support in the first place.

Git 2.56 adds experimental commit-drop tool and low-level ref commands

Git 2.56 ships with over 700 non-merge commits, introducing an experimental 'git history drop' subcommand that removes a specific commit and replays subsequent history, though it fails on repositories containing merge commits. The release also expands 'git refs' with create, delete, update, and rename subcommands, and adds several smaller usability improvements like pull suggestions in 'git status' and a '--delete-merged' flag for 'git branch'.

Google's SynthID and similar AI tools embed hidden tracking data, not just watermarks

A new report highlights that Google's SynthID and comparable systems from OpenAI and other tech firms embed invisible signals into images, audio, text and video that go beyond simple authenticity marks. These 'spymarks' can carry encoded database identifiers—potentially linkable to a user's name, IP address, birthdate or political affiliation—rather than just flagging content as AI-generated. Research on SynthID-Image shows a 512x512 image can carry a 136-bit payload, enough for a 64-bit unique identifier plus error correction.

Acer CEO predicts PC prices could ease by late 2027, disputes rivals' shortage timelines

Acer CEO Jason Chen told DigiTimes that RAM-driven PC price increases could start reversing by the end of 2027, a far shorter timeline than rival memory executives have forecast. He argues that supply of most RAM and SSD types has already caught up with demand, with real shortages now confined to high-end components like top-tier DDR5 modules and certain CPUs.

Google's ChromeOS Flex lets users convert old Windows PCs into Chromebooks for free

Google offers ChromeOS Flex, a free operating system that can replace Windows on older machines meeting modest specs: an Intel or AMD CPU, 4GB RAM and 16GB storage, though chips from 2012 or earlier aren't supported. Installation involves using Chrome's Chromebook Recovery Utility to create bootable media on an 8GB-plus USB drive, then booting the target PC into its boot menu to install or trial the OS.

Carson Gross argues Markdown files are becoming software's true source code

In an essay, Montana State University professor and consultant Carson Gross describes a shift he has observed in client organizations adopting agentic coding: Markdown documents are increasingly the source of truth for systems, with LLM-generated code treated as a derived, low-level artifact. He cites Hartley Brody's earlier essay 'Markdown is the new source code' to support the observation, and argues that Markdown specs should be checked into /src alongside the code and tests they generate, rather than living only in transient prompt sessions.

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