Reading up on hardware

Apple announced a new Mac mini model that includes both the M6 and M5 Pro chips, according to the Hacker News post.

Apple announced the release of its next-generation M6 chip and the M5 Ultra variant, expanding its Apple silicon lineup for Macs.

Ben Holmen designed and built Halfmoon Chimes, an interactive MIDI‑driven aluminum‑pipe instrument that records and replays festival attendees’ performances as unique paper receipts.

Amdahl's law shows that overall speedup is limited by the unchanged fraction of workload, with maximum speedup S_max = 1/(1−f) as component speedup → ∞.

The article explains how vinyl records encode sound as groove modulations, detailing stereo encoding, RIAA equalization, and playback mechanics from stylus to speaker.

Solid-state transformers, spurred by AI data center demand, offer mass-manufacturable, efficient power conversion that could also benefit EV charging and household grids.

On a Terasic DE0-Nano-SOC, two Cortex-A9 cores cannot see each other's memory writes despite enabled MMU, caches, and SCU, revealing a cache coherence failure.

The article argues that the Raspberry Pi's stripped-down design gives it unique advantages for hobbyists, educators, and low‑cost prototyping in various projects.

The author repurposed an old smartphone into a lightweight home server running Linux services such as SSH, web, and file sharing.

The article describes how a standard pen plotter can be repurposed to produce simple holographic patterns by precisely controlling dot density and movement.

It explains how a hobbyist built a genuine Telnet‑accessible bulletin‑board system that runs on a Casio calculator, showing the calculator can act as a network server.

Tesla told JPMorgan that FSD v15 is a major step-change, HW4 can handle unsupervised driving, and Optimus Gen 3 robots could be sold externally starting H2 2027.

Waymo unveiled a custom 5nm ML ASIC delivering over 1,000 TOPS for ultra‑low latency autonomous driving, built on TSMC’s process and backed by 200 million miles of driving data.

The author boosted Deepseek V4 Flash inference from ~10 to ~20 tokens/sec on four e-waste AMD V620 GPUs by using layer parallelism and a speculative draft model.

The post provides an extensively commented linker script for the SAMD21G18A, explaining each directive and its purpose for embedded firmware.

The piece outlines a six‑stage AI infrastructure journey, maps three predictable cost/latency crises, and demonstrates how ACE Gateway’s control‑plane features cut spend and prevent hardware failures at each stage.

Desktop five-axis CNC machines now cost under $10K, but simultaneous multi-axis CAM still runs 20‑40% of the machine price yearly, creating a costly bottleneck.

Agentic coding tools now make non-software tasks like PCB design feasible via software, creating strong incentive to reframe projects as code-based workflows.

The author spent two years designing and building a custom mechanical keyboard inspired by Apple's Magic Keyboard, sharing detailed design choices and construction process.

AI-driven demand for memory in data centers has caused RAM prices to double or more, challenging the expectation that tech continually gets cheaper.

Christopher Mitchell details his July 2026 progress on a UK Class 800-inspired train simulator, covering headlight PCB work, metal panel fabrication, and AWS sunflower testing.

The author details replacing the Kobo Libra H2O battery with an inexpensive Ali Express unit, outlining the soldering process and confirming successful operation.

Developer created interactive visualizations showing how transistors function in electronic circuits, using animations to explain semiconductor physics concepts like switching behavior and current flow for educational purposes.

The article concludes that washing solar panels is usually unnecessary as rain provides sufficient cleaning, except in very dusty locations where occasional rinsing may help.

AI chip count will double roughly every nine months, reaching about 200 million H100‑equivalent units by 2028 as massive data‑center construction ramps up worldwide.

Caltech and Sophia Space researchers created a solar-powered cooling system to keep AI data-center chips from overheating while operating in Earth orbit.

SpaceX successfully landed its newest Starship design on its second test, marking the 13th overall Starship test, and boosting NASA's moon plans and SpaceX's orbital data center ambitions.

The author argues that adopting USB-C as the sole connector for all devices simplifies user experience, reduces e-waste, and future-proofs technology ecosystems.

The author advocates calm, focused devices—e‑ink tablets, modded iPods, minimalist communicators, dashboard e‑ink displays, and dictaphones—to reduce distraction and reclaim attention.

The article details the real computer hardware and software shown in Jurassic Park, focusing on Silicon Graphics workstations, UNIX interfaces, and custom control‑system code used in the film.

White House pressure and a $9 billion equity stake spurred Intel’s rebound, securing Apple, Nvidia and SpaceX deals and quadrupling its stock since 2025.

Tesla's Cybercab robotaxi uses a more powerful FSD computer with more RAM than consumer vehicles, enabling Level 4 autonomy.

OpenAI unveiled its first custom inference chip, Jalapeño, designed with Broadcom and assisted by OpenAI's own models, claiming better performance-per-watt.

The author reminisces about their favorite keyboards, starting with the Sinclair ZX Spectrum and Thomson MO5 from their early computing days.

Oomwoo is an open-source, modular robot vacuum you build yourself, aiming for repairability and customization, with the creator defending its cost-effectiveness and community-driven development.

Three startups are launching general-purpose robots under $10,000 this year, including Nori Robotics' $1,288 robot, BracketBot's $3,000 robot, and Weave Robotics' Isaac 1 at $8,000.

SpaceX showed investors a slim, handset-like AI prototype running xAI's software on a Qualcomm Snapdragon chipset, though the project is early-stage and may not be produced.

The Yoto audio player for children proves a tech product can be profitable while countering screen addiction and techlash.

Qwen 3.6 27B with llama.cpp runs at usable speeds on Apple Silicon and Nvidia RTX hardware, making it the first local model practical for coding development.

OpenAI and Work Louder unveiled the Codex Micro, a keyboard designed to supercharge Codex usage, at the AI Engineer World Fair.

Advanced chip packaging, critical for AI computing power, has increased US reliance on Taiwan, with political decisions affecting development efforts.

Intel's chip business shows signs of life after years of struggle, serving as the centerpiece of Trump's US chip-making drive, though a complete turnaround still far off.

China's supercomputer in Shenzhen, using only standard microprocessors, was declared the world's fastest, overtaking the U.S. for the first time since 2017.

The piece details the PlayStation's hardware architecture, including its MIPS R3000A CPU, custom chips, and the design trade-offs that shaped its distinctive 3D capabilities.

Hacker News users roast CrankGPT's scroll-animation-heavy landing page while confirming its hand-crank can power LLM inference on a Pi 5.

Local Qwen models are a different tool from frontier LLMs, offering privacy and fixed costs but suffering from looping and hallucination issues.

Asia's chip suppliers, not just Nvidia, are surging from AI data-center demand, shifting the global tech power balance.

Napkin math shows serving a 32B LLM on an NVIDIA B200 GPU costs ~$9.36 per user per month when 300 users share the GPU with typical idle duty cycles.

Core AI is a new beta framework from Apple that lets developers run AI models on-device using Apple silicon, with a Swift API and debugging tools.

The S&P 500 surged 16% in April-May fueled by memory-chip stocks, reminiscent of the dot-com boom, and history suggests further gains ahead.

Dell's stock fell on Tuesday, ending an eight-day winning streak, while competitors in the AI server market saw significant gains.

Microsoft announces Surface Laptop Ultra with NVIDIA Blackwell GPU, up to 128GB unified memory, and 1 petaflop AI compute for creators and developers.

Nvidia aims to bring AI agents to PCs, competing with Intel and Apple by putting its chips in laptops and desktops.

Despite bubble fears from the furious chip stock rally, five undervalued semiconductor stocks are positioned to remain standing when the party ends.

Hacker News commenters report mixed experiences with daily Vision Pro use, with some using it extensively for coding but most citing weight, app support, and integration issues.

Apple is developing an iPhone anti-snatching feature using sensors and Apple Watch proximity to automatically lock the device and activate Stolen Device Protection when grabbed.

Firefox 151 for Desktop adds Web Serial API support, enabling web apps to connect to serial hardware like microcontrollers and 3D printers.

Frontier AI companies have spent $1.5T on infrastructure and operations but earned only $769B in revenue, leaving nearly all heavily unprofitable while Nvidia captures the majority of profits.

This year's high-end Apple and Google smartphones raise mobile photography standards, but users must learn settings to fully exploit them.

SpaceX's Starship V3 introduces major engine and design upgrades, with a suborbital flight planned to test payload deployment and heatshield inspection.

Hacker News commenters attribute the decline of computing fun to corporatization and age, but suggest tinkering with microcontrollers, Linux, and retro hardware to reignite joy.

The AI compute market is shifting from homogeneous GPU clusters for training toward heterogeneous hardware for inference, where Cerebras' wafer-scale chips excel at high-speed token generation but may be overshadowed by agentic inference's need for large memory rather than raw speed.

A maker builds a cleaner analog voltmeter clock using CNC-machined maple enclosure, custom decals, and kerf-bent wood side walls, documenting the process.

Flipper Devices announces the Flipper One, an open-source Linux cyberdeck with no binary blobs, and asks the community for help in development.

Despite Trump administration approval of Nvidia's powerful H200 chip for sale in China, not a single unit has been purchased by Beijing.

Nvidia reported $58.3 billion profit in its latest quarter, a 211% year-over-year increase, driven by surging demand from big tech companies for A.I. chips.

The Flipper One specs reveal a Linux-based portable device with Ethernet, M.2, and AI support, but drop most RF and contactless radios from its predecessor.

Apple uses chips with defective cores disabled in cheaper devices like the MacBook Neo to boost profits, repurposing lower-performing processors.

A monitor with built-in KVM and DDC commands lets a user switch between a Mac laptop and Linux desktop with a single keyboard shortcut, eliminating cable fiddling.

Google's Googlebook project will replace Chromebooks with a premium Android-based platform; existing Chromebooks will continue support and some will be eligible to transition.

China's AI hardware suppliers are being hit by capacity constraints and component shortages, which threaten to throttle the growth of the artificial intelligence industry.

WhatCable is a macOS menu bar app that reads USB-C cable e-Marker data via IOKit to display charging speed, protocol capabilities and port faults in plain English.

Star Labs' StarFighter 16-inch is a Linux-first workstation with configurable coreboot firmware, socketed storage, a kill switch, and 4K display targeting developers.

CARA 2.0 is a sub-$1000 quadruped robot built by Aaed Musa using cheap drone motors and controllers to make dynamic legged robots accessible to hobbyists and researchers.

Apple and Intel have reached a preliminary agreement for Intel to manufacture chips for Apple devices, with the Trump administration playing a key role in brokering the deal.

SK Hynix faces unprecedented volume of supply offers from big tech firms, signaling intense competition for memory chips driven by AI demand.

Aaed Musa details building CARA 2.0, a $1,000 quadruped robot that uses rewound BLDC motors and custom capstan drives to achieve dynamic, low-cost locomotion for hobbyists and researchers.