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TecLab mods RTX 5090 to run on triple 8-pin connectors, sustains 900W

YouTube modding channel TecLab rebuilt a Galax RTX 5090D HOF OC LAB XOC by removing its dual 16-pin power connectors and soldering in three 8-pin PCIe connectors directly to the power regulators, rewiring sense pins to remove power limits. Using liquid cooling, they pushed the card from 400W up to 900W, drawing over 120A and hitting clock speeds of 3,400 MHz, all through hardware changes alone with no BIOS or software tuning.

NASA names Reid Wiseman and Victor Glover its first astronaut emeriti

NASA has created an emeritus status for Reid Wiseman and Victor Glover, the commander and pilot of Artemis II, five months after their lunar mission splashdown. The designation lets them leave active astronaut duty and pursue outside careers—Glover is taking a leadership role at Cal Poly—while remaining available unpaid to train and advise NASA staff on Orion spacecraft systems.

Meta launches Muse, an AI assistant that manages email and shopping tasks

Meta debuted Muse, its first AI productivity agent, which connects to accounts like Gmail and Amazon to handle tasks such as deleting emails, sorting messages, and completing online purchases. A Verge reporter tested the tool, noting it worked reasonably well but required granting broad access to personal accounts and data. The reviewer described feeling uneasy about the amount of personal information Muse could gather while performing these autonomous actions.

Apple opens preorders for Watch Series 12 and Ultra 4

Apple has begun accepting preorders for its Series 12 and Ultra 4 smartwatches, both powered by the new S11 chip with upgraded audio and sensor features. The Series 12 starts at $399 for the 42mm model, with a ceramic case option returning for the first time since the Series 5 at $899, while the Ultra 4 starts at $799 with GPS and 5G support. Both devices, available through Apple, Amazon, and Best Buy, ship September 18th alongside the iPhone 18 Pro line.

Developer Mayuki recreates Windows 3.1 Program Manager using Claude AI in under an hour

Developer Mayuki used Claude to vibe-code ReProgman, a lightweight clone of the classic Windows 3.1 Program Manager shell that ran until Windows 95 replaced it in the mid-1990s. The 12-16MB tool requires no installation, runs on both Windows 11 and Apple Silicon Macs via .NET SDK 10.0+, and has been published on GitHub under the MIT license.

The Exploration Company Raises $450M to Build European Heavy-Lift Rocket

French startup The Exploration Company, led by Helene Huby, closed a record $450 million Series C funding round to advance its Nyx cargo capsule, a future crewed spacecraft, and plans for a reusable heavy-lift rocket. Huby says the company aims to test a 400,000-pound-thrust methane engine by 2028 and fly the new launcher by 2033, with further fundraising expected once key technical milestones are hit.

Reflective releases $370M-$1.4B roadmap for solar geoengineering research

Reflective, a nonprofit funding solar geoengineering studies, published a research roadmap for stratospheric aerosol injection outlining what scientific work is still needed before governments could make informed deployment decisions. The plan estimates coordinated research would take about a decade and cost roughly $370 million, versus 20 years and nearly $1.4 billion if uncoordinated, and it recommends conducting outdoor experiments releasing sulfur dioxide into the stratosphere.

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