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Ledger tells reseller CryptoBillis to halt sales amid tampered-wallet theft reports

Users of Ledger crypto wallets purchased through reseller CryptoBillis have reported drained accounts, with reports citing over $86 million stolen from hundreds of wallets. Photos shared on social media appear to show a hidden circuit board implanted under the wallet's screen that captures the seed passphrase and transmits it via an embedded SIM card. Ledger has asked CryptoBillis to pause all sales while it investigates, and says there is no evidence its own systems or directly purchased wallets were compromised.

DRAM prices spike up to 95% as AI data centers absorb memory supply

RAM temporarily stores data a processor needs quick access to, using capacitors that lose their charge once power is cut, unlike ROM which retains data permanently. TrendForce reports that DRAM contract prices jumped 90 to 95 percent quarter-over-quarter in early 2025, driven largely by AI data center buildouts such as NVIDIA's proposed $100 billion investment with OpenAI for 10 gigawatts of capacity. Micron also shut down its consumer-focused Crucial brand in February to prioritize higher-margin AI data center business.

MIT engineers build stretchable fiber-optic sheet that senses its own 3D shape

MIT researchers led by Chen Yu, with Nina Cao and Kaitlyn Becker, developed a soft sheet embedded with modified optical fibers that can track how it bends and twists in three dimensions. Unlike earlier waveguide sensors that only measured simple curvature along a line, the new design reconstructs the full surface shape as it deforms, detailed in a study in Advanced Intelligent Systems.

Nvidia reportedly ends GeForce RTX 5090 production, redirects GB202 chips to AI cards

According to leaked factory notices cited by hardware leakers @hongxing2020 and @Zed__Wang, Nvidia has stopped producing GB202 chips for consumer RTX 5090 graphics cards, including Chinese 'D' variants. The notice claims the RTX 5080 24GB will become the new top consumer GeForce model, with the RTX 5080 16GB being discontinued. Nvidia has not confirmed the claim and typically does not comment on rumors.

Apple publishes guidance on switching Apple ID country settings

Apple's support materials outline steps users should take before changing the country or region tied to their Apple Account, including re-downloading purchased apps, music, books and videos beforehand since content availability varies by region. Users are also advised to have a valid local payment method ready, as Apple requires one to confirm the change, and may need to wait until physically relocating if no compatible payment option is available.

Meta engineer details CRAM, a new compressed-memory system for Linux

At the Linux Plumbers Conference in Prague, Meta engineer Gregory Price presented CRAM, a hardware-offloaded memory compression technique for Linux that allows cacheline and byte-level access to compressed data. Unlike ZRAM or Zswap, CRAM represents compressed memory as a private NUMA node rather than a block device, letting the kernel manage it using standard memory semantics like migration and ballooning.

Apple accessories and Macs see weekend price cuts across AirPods, Mac mini, Mac Studio

Retailers are running weekend discounts on Apple products including up to $150 off the new M6 Mac mini, $200 off the Mac Studio, and the best pricing in months on the M5 MacBook Air. Deals also include AirPods Max 2 at $120 off, all-time lows on Apple Watch Series 12, iPhone 18 Pro cases starting at $41, and the first discount on the new Apple Magic Keyboard.

Open-source tool RemoveMacAI strips Apple Intelligence features from macOS 27

A developer released RemoveMacAI, an open-source utility that disables Siri, Writing Tools, Genmoji, Image Playground and the ChatGPT Extension on Macs, and blocks them from being reinstalled. The tool emerged after Apple removed the ability to disable and delete Apple Intelligence features in macOS 27, and has drawn over a thousand upvotes on Reddit and nearly 2,000 GitHub stars.

Hollywood releases wave of films on Zuckerberg, Musk, Altman amid AI unease

Several film and TV projects about tech leaders are debuting this season, including Sony's "The Social Reckoning" (about the Facebook whistleblower leak), Alex Gibney's documentary "Musk," A24's Theranos film "You Can See Everything," Neon's "Artificial" about Sam Altman's brief 2023 ouster from OpenAI, and a Netflix "Instadocs" episode on the Hugging Face security incident. Musk has publicly criticized the documentary about him, while Altman said he understands public anxiety being projected onto him.

Modder injects leaked Nvidia DLSS 5 into MS-DOS Pac-Man via MAME and ReShade

YouTuber Valery Kryzhanovsky used the MAME emulator with ReShade and RenoDX to force Nvidia's leaked DLSS 5 upscaler onto the MS-DOS version of Pac-Man, applying a 4x Multipass technique across four rendering modes: Natural, Default, Cinematic, and Denoise. The results were glitchy, with some modes erasing Inky's eyes and the game's dots, since Pac-Man lacks the 3D depth data DLSS 5 is built to process.

OpenAI Updates ChatGPT Safeguards Against Mental-Health Crises

OpenAI has made changes to ChatGPT aimed at reducing instances where the chatbot reinforces delusional or harmful thinking in users experiencing mental-health crises. The update follows input from mental-health experts on how the system can better recognize different psychological conditions and respond with more appropriate questions.

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