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3M Hid Evidence That PFAS 'Forever Chemicals' Were in Human Blood for Decades

ProPublica reporter Sharon Lerner uncovered internal 3M records showing the company knew as early as the 1970s that PFAS compounds used in nonstick coatings, food packaging and stain-resistant products had entered people's bloodstreams worldwide. Rather than disclosing this, 3M kept the findings confidential for decades, according to a former company scientist who spoke with Lerner.

Ottocast Adapter Converts Wired CarPlay Ports to Wireless Connections

Ottocast makes a small USB dongle that plugs into a car's existing CarPlay port and relays the connection to an iPhone over Bluetooth and Wi-Fi, eliminating the need for a cable. After an initial Bluetooth pairing and approval step, the adapter automatically reconnects to the paired iPhone each time the car starts. The interface, controls and features remain identical to standard Apple CarPlay, with no separate Ottocast software layer.

Razer debuts $110 Clio X headrest speaker, undercutting original by $120

Razer introduced the Clio X at PAX West 2026, a cheaper version of its head-cushion speaker for gaming chairs, priced at $110 versus the original Clio's $230. It swaps the flagship's 43mm aluminum drivers for two 38mm speakers and two 55mm passive radiators, still supporting THX Spatial Audio and Razer's low-latency HyperSpeed 2.4GHz wireless connection. It attaches to any gaming chair headrest via a nylon strap and runs on USB-C power, ideally a 15W PD source.

Acer shows off Project DualPlay Mini, a hybrid handheld-to-laptop gaming concept at IFA

At IFA, Acer unveiled Project DualPlay Mini, a concept device that flips and swivels its eight-inch screen to switch between a handheld gaming console and a compact laptop. The prototype features an Xbox-style controller layout with dual-fan cooling but no trackpad, and Acer's own demo shows a mouse being used in laptop mode. Acer says it remains a concept with no confirmed plans for retail release.

Repurposed PS5 chips power ultra-cheap BC-250 mining boards turned gaming PCs

The AMD BC-250 is a leftover PlayStation 5 APU that failed console binning standards and was instead sold on mining server boards built by ASRock. With mainstream GPU mining now unprofitable, these boards have flooded the secondhand market for roughly $70-$100, giving hobbyists a full single-board PC with 6 Zen 2 cores, 24 RDNA 2 compute units, and 16GB of shared GDDR6 memory.

Data center construction boom gives US trucking industry a rare lift

As AI data centers rise across the country, the trucking industry is quietly benefiting from hauling the materials needed to build them—HVAC systems, wiring, tubing and semiconductors. Industry executives say this equipment-heavy freight, especially flatbed and heavy-haul segments, has seen multiyear-high spot rates and tighter capacity even as broader freight demand remains uneven amid tariffs and record diesel prices.

Deep dive explains how Rust's dyn Trait represents vtables in memory

A developer blog post dissects how Rust implements runtime polymorphism through dyn Trait, comparing it to C++'s virtual functions and CRTP patterns. The author walks through experiments and diagrams showing exactly how vtable pointers and fat pointers are laid out in memory when using trait objects, with all code published on GitHub.

Apple offers built-in tools to diagnose failing MacBook storage drives

Mac storage failures can cause permanent data loss unlike hardware issues such as a broken screen or keyboard, making regular backups through Time Machine essential since iCloud alone doesn't fully back up a Mac's drive. Warning signs of drive trouble include corrupted or vanishing files, frozen applications, or direct macOS alerts that storage needs servicing, at which point users can turn to built-in diagnostic tools to assess the problem.

AMD's rumored Ryzen 5 7500 to cost double the 7500F for same specs plus weak iGPU

According to leaker Roland Quandt, AMD is preparing a Ryzen 5 7500 without the 'F' suffix, matching the Ryzen 5 7500F's six-core, twelve-thread design, 3.7GHz base and 5.0GHz boost clocks, 38MB combined cache, and 65W TDP. The only real difference is a basic two-CU RDNA 2 integrated GPU suitable for display output but not gaming, yet the chip is rumored to launch at around 230 Euros ($267), more than double the 7500F's current street price.

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