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Siflower Unveils High-Performance Industrial-Grade SOC Gateway Chip: SF21H8898

2025-04-21

Siflower Communications has launched the SF21H8898, a high-performance industrial-grade SOC gateway chip built on TSMC's 12nm FFC process. It integrates a quad-core 64-bit RISC-V processor and a dedicated network processing unit (NPU) supporting L2/L3 hardware processing, IPv4/IPv6 dual stack, 20Gbps switching capacity, and full wire-speed forwarding. The chip boasts QSGMII, SGMII/HSGMII, and RGMII interfaces and supports IEEE 1588 PTP for precise time synchronization. External DDR3/DDR3L/DDR4 SDRAM and NAND/NOR SPI Flash are supported, along with high-speed interfaces like USB2.0 and PCIE2.0, and low-speed interfaces such as SPI, UART, I2C, and PWM. Ideal for enterprise and industrial control gateways.

(docs.banana-pi.org)

Hardware Gateway Chip Industrial IoT

Resurrecting a Lost Piece of Apple History: The Performa 550's Secret Recovery Partition

2025-03-16

While rescuing data from a failing hard drive in an old Apple Performa 550, the author uncovered a hidden recovery partition containing a fascinating piece of Apple's software history. This partition, designed to boot in case of system failure, allowed users to reinstall the OS. A three-year quest involving online appeals culminated in finding a pristine hard drive, revealing the partition's mechanics and leading to the sharing of its image. This compelling story highlights the thrill of tech archeology and software preservation.

(www.downtowndougbrown.com)

Tech tech archeology hard drive recovery

The Quest to Retrieve Vanguard-1: Oldest Satellite in Orbit

2025-04-19

The Quest to Retrieve Vanguard-1: Oldest Satellite in Orbit

Launched in 1958, the grapefruit-sized Vanguard-1 satellite remains in orbit, making it the oldest human-made object orbiting Earth. A team is proposing a mission to retrieve this historical artifact, studying its decades-long exposure to space. The plan involves potentially using a SpaceX vehicle or partnering with a private sponsor. Once retrieved, Vanguard-1 could be displayed at the Smithsonian, serving as a testament to the early days of space exploration. This mission would also provide valuable experience for future endeavors like space debris removal and on-orbit manufacturing.

(gizmodo.com)

Tech Satellite Retrieval Space History

Zero-Cost, Minimalist Blogging: Obsidian, Hugo, and Cloudflare Pages

2025-04-23

I've switched to Obsidian for all my writing, and combined it with Hugo and Cloudflare Pages for a completely free blogging setup. Obsidian's local-first model and minimal theme keep writing focused and efficient; iCloud syncs notes across devices seamlessly; Hugo and the Bear theme provide a fast, minimal website; and GitHub and Cloudflare Pages offer free, reliable deployment. This gives me complete control – no subscriptions, no vendor lock-in. Setting up requires some technical knowledge, but the result is a frictionless publishing workflow.

(ingau.me)

Development

Google's Privacy Sandbox: A Pivot, Not an End

2025-04-23

Google's Privacy Sandbox: A Pivot, Not an End

Google's Privacy Sandbox project isn't ending, but it's shifting gears. Facing antitrust lawsuits and industry resistance to abandoning cookies, Google will continue improving Chrome's Incognito Mode with features like third-party cookie blocking and IP address masking. However, this means its Privacy Sandbox APIs will play a different role, and Google will work with partners to find a new path. While Google highlights improved ad privacy, its antitrust predicament is likely a more significant factor driving this change.

(arstechnica.com)

Tech

Musk's NASA Pick Fails, Leaving Agency Facing Budget Cuts and Uncertain Future

2025-06-01

Musk's NASA Pick Fails, Leaving Agency Facing Budget Cuts and Uncertain Future

Jared Isaacman, Elon Musk's favored nominee for NASA administrator, has unexpectedly failed to secure the position, sparking concern within the agency. Isaacman's nomination failure is attributed to Musk's controversial role in the government and opposition from within the administration. This leaves NASA facing substantial budget cuts, a 24% reduction, jeopardizing its future. NASA insiders express grave concerns, with some predicting the agency's decline. The Trump administration hasn't named a replacement, but retired Lt. Gen. Steven Kwast is a leading contender, raising concerns about his military background and its implications for NASA's civilian space mission.

(arstechnica.com)

Tech

30 Lines of Code Slash Data Center Energy Consumption by Up to 30%

2025-04-21

30 Lines of Code Slash Data Center Energy Consumption by Up to 30%

Researchers from the University of Waterloo have achieved up to a 30% reduction in energy consumption in data centers by tweaking how the Linux kernel handles network traffic. They cleverly adjusted the kernel's handling of network packets, reducing unnecessary polling during low network traffic periods, thus saving CPU resources. This improvement has been integrated into Linux kernel version 6.13 and is expected to yield significant energy savings in data centers that widely use Linux. The researchers call for the industry to focus on software efficiency and sustainability, reviving the importance of resource conservation.

(spectrum.ieee.org)

Tech Energy Optimization

Lawyer Used AI to Generate a Court Brief. It Was a Disaster.

2025-04-27

Lawyer Used AI to Generate a Court Brief. It Was a Disaster.

Mike Lindell, CEO of MyPillow, is embroiled in legal battles due to his staunch support of Donald Trump's election lies. His lawyer, Christopher Kachouroff, is now facing disciplinary action for submitting a court brief riddled with errors – nearly thirty, including fabricated legal citations – generated by AI. Judge Nina Wang is demanding an explanation from Kachouroff and co-counsel Jennifer DeMaster, threatening disciplinary action if they fail to provide a satisfactory account of this egregious professional lapse. The incident highlights the perils of using generative AI in legal contexts and underscores the critical need for rigorous fact-checking of all legal documents.

(gizmodo.com)

Misc

Major Security Flaw: eSIM Cards Compromised, Millions of Users at Risk

2025-07-09

Security Explorations, a research lab of AG Security Research, has uncovered a critical vulnerability in eSIM technology. They successfully compromised a Kigen eUICC card, extracting the private key for the GSMA consumer certificate. This allows attackers to download arbitrary eSIM profiles from mobile network operators, gaining access to sensitive user data and network keys. The vulnerability exploits previously known Java Card flaws from 2019, proving eSIMs are not as secure as advertised. Millions of users relying on Kigen eSIMs are at risk, highlighting a significant weakness in eSIM architecture.

(security-explorations.com)

Tech eSIM security Java Card vulnerabilities

Verus: A Static Analyzer for Verifying Rust Code Correctness

2025-04-22

Verus: A Static Analyzer for Verifying Rust Code Correctness

Verus is a static analysis tool for verifying the correctness of code written in Rust. Developers write specifications of what their code should do, and Verus statically checks that the executable Rust code will always satisfy the specifications for all possible executions. Instead of runtime checks, Verus relies on powerful solvers to prove code correctness. Currently supporting a subset of Rust (with ongoing expansion), Verus allows developers to go beyond the standard Rust type system in some cases, statically checking the correctness of code manipulating raw pointers, for example. Verus is under active development; features may be broken or missing, and documentation is incomplete.

(github.com)

Development Code Verification

Resurrecting the Old Web: Blogs and RSS Feeds Make a Comeback

2025-09-25

Resurrecting the Old Web: Blogs and RSS Feeds Make a Comeback

A Maine news story about middle schoolers using landlines sparked a reflection on the current state of social media. The author argues that social media has become an addictive noise machine, and people long for the simpler, purer connection of the early internet. To address this, the author advocates a return to blogs and RSS feeds, creating a 'bear blog' platform to share thoughts and connect with other blogs via links, mimicking the simpler networking of the old web. The author calls for breaking free from the social media dopamine loop and collectively building a purer online experience.

(stevedylandev.bearblog.dev)

Misc

iPS Cell Therapy for Parkinson's Disease: A Safe and Effective Clinical Trial

2025-04-22

iPS Cell Therapy for Parkinson's Disease: A Safe and Effective Clinical Trial

A clinical trial for Parkinson's disease used induced pluripotent stem cell (iPS cell)-derived dopamine progenitor cells in bilateral putaminal transplantation. Results showed the therapy to be safe and effective, with no serious adverse events and improvements in motor symptoms and increased dopamine uptake in some patients. While limitations exist, including potential placebo effects and observer bias, and further research is needed to define optimal patient selection criteria, the trial provides evidence for the safety and efficacy of iPS cell-derived dopamine progenitor cells as a regenerative therapy for Parkinson's disease.

(www.nature.com)

Tech regenerative therapy

1888: The World's First True Electric Car

2025-01-21

1888: The World's First True Electric Car

In 1888, Andreas Flocken, a German engineer, created the world's first true electric car, the Flocken Elektrowagen, at his Maschinenfabrik A. Flocken in Coburg. This four-wheeled vehicle, initially resembling a horse-drawn carriage, was powered by an electric motor and could reach a top speed of 15 km/h. While early technology limited its performance, the Flocken Elektrowagen holds immense historical significance as a landmark in the dawn of the electric car era.

(en.wikipedia.org)

Tech electric car Germany

Atari's Limited Edition Asteroids Watches Sell Out Instantly

2025-01-30

Atari's Limited Edition Asteroids Watches Sell Out Instantly

To celebrate the 45th anniversary of the iconic game Asteroids, Atari and luxury watch brand Nubeo have collaborated on a limited-edition watch. This unique timepiece displays time in an unconventional way using a Japanese automatic movement that drives three discs. The smallest central disc features the original Asteroids triangular ship firing, acting as the second hand. The outer two discs, filled with asteroids, represent the minute and hour hands. Priced at $499 (originally $1650), each of the five styles is limited to 125 pieces and has already sold out. The design is inspired by the Atari 2600 console, and features Swiss Super-LumiNova glow-in-the-dark ink, 21 ATM water resistance, and comes in a retro-styled protective case.

(www.techspot.com)

Game Limited Edition Watch

Cracking the Protein Folding Code: The 55% Mystery

2025-04-16

Cracking the Protein Folding Code: The 55% Mystery

Yale researchers have discovered that all globular proteins maintain a consistent core packing density of 55%. Published in PRX Life, this finding reveals that this isn't a coincidence, but rather a result of the protein core reaching a 'jammed' state. The complex shapes of amino acids prevent denser packing compared to spherical objects (64%). This research opens exciting possibilities for drug therapeutics, biomaterials design, and even offers insights into the origins of life.

(phys.org)

Tech protein folding biophysics

OpenTelemetry Performance Overhead: A Go Application Benchmark

2025-06-16

OpenTelemetry Performance Overhead: A Go Application Benchmark

This post benchmarks the performance overhead of OpenTelemetry in a high-load environment using a simple Go HTTP server. Results show approximately a 35% increase in CPU usage, a small increase in memory, and significant network traffic increase when enabling OpenTelemetry. The author compares using the OpenTelemetry SDK with eBPF-based monitoring, finding the latter to be significantly more lightweight in high-load scenarios, especially when only collecting metrics. The conclusion is that OpenTelemetry's overhead isn't prohibitive, but choosing the right monitoring approach is crucial, requiring a trade-off between performance and observability based on specific needs.

(coroot.com)

Development

AI Contamination: The Permanent Embedding of the Nonsense Term 'Vegetative Electron Microscopy'

2025-04-22

AI Contamination: The Permanent Embedding of the Nonsense Term 'Vegetative Electron Microscopy'

A study reveals how the nonsensical term 'vegetative electron microscopy' became permanently embedded in AI systems. Originating from errors during the digitization of 1950s papers and amplified by translation mistakes, this phrase was learned and generated by large language models. This highlights the lack of transparency in AI model training data, the difficulty of correcting errors, and challenges to knowledge integrity. Researchers call for greater transparency in AI training data, improved peer review processes, and new ways to evaluate information in the age of AI-generated misinformation.

(theconversation.com)

Tech

Unleash Your Inner Color Wizard: The Poline Playground

2025-06-18

Unleash Your Inner Color Wizard: The Poline Playground

Embark on a color creation adventure in the Poline Playground! This interactive tool lets you explore the uncharted territories of color. Add and remove anchor points with the P and Delete keys, respectively, and use your browser's color picker to fine-tune your creations. Adjust hue, lightness, and saturation to craft unique color palettes. Experience the magic of Poline and unleash your imagination!

(meodai.github.io)

Design color tool interactive design creative tool

The Resurrection of Rotifers: A Biological and Philosophical Enigma

2025-04-19

The Resurrection of Rotifers: A Biological and Philosophical Enigma

In the late 1600s, Antonie van Leeuwenhoek discovered rotifers, microscopic organisms capable of reviving after desiccation. This sparked a centuries-long scientific and philosophical debate. Research has uncovered the mechanisms behind their survival: rotifers produce LEA proteins to protect cell membranes and repair DNA damage after dehydration. However, their 'revival' isn't a simple binary of life and death, but a unique state challenging the traditional dichotomy. This discovery pushes the boundaries of biology and prompts profound questions about the very nature of life itself.

(nautil.us)

Tech rotifers desiccation definition of life

Open Source F1 Live Timing Client: undercutf1

2025-04-19

Open Source F1 Live Timing Client: undercutf1

undercutf1 is an open-source TUI application providing a real-time F1 live timing experience. It displays crucial race information like sector times, tire data, gaps, and strategies, with support for session replays and data analysis. Utilizing the UndercutF1.Data library, it connects to the F1 live timing data stream, processing incoming information and even allowing for simulated streams for development. Additional features include a driver tracker with a track map, team radio listening with transcription (using Whisper), and easy installation across multiple operating systems. A must-have for F1 fans and developers alike.

(github.com)

Game Live Timing

Mt. Ontake: A Trek of Breathtaking Beauty and Sobering History

2025-04-23

Mt. Ontake: A Trek of Breathtaking Beauty and Sobering History

Mt. Ontake, one of Japan's 100 Famous Mountains, holds a poignant history. A 2014 eruption claimed 63 lives, a tragedy forever etched into the mountain's narrative. This account details a 2024 climb, highlighting the stunning views and challenging ascent of this 3067m peak. The author describes the various routes, transportation options, and the landscape's stark beauty. The post-eruption safety measures—improved shelters, increased signage—are emphasized, alongside memorials honoring the victims. It's a compelling blend of adventure and reflection, a reminder of nature's power and the importance of remembering the past.

(www.emgoto.com)

Misc Mountaineering

Native PyTorch Now Available for Windows on Arm

2025-04-24

Native PyTorch Now Available for Windows on Arm

Microsoft has released native Arm64 builds of PyTorch 2.7 for Windows on Arm, eliminating the need for manual compilation. This significantly simplifies the process for developers working with machine learning on Arm-powered devices. The release allows for straightforward installation using pip, unlocking the full performance potential of Arm64 architecture for tasks like image classification, natural language processing, and generative AI. While some dependencies may require manual compilation, Microsoft provides clear instructions and examples. This update is a major step forward for the Windows on Arm ecosystem.

(www.neowin.net)

AI

Microsoft Cracks Down on Low Performers with New Performance Management Policies

2025-04-22

Microsoft Cracks Down on Low Performers with New Performance Management Policies

Microsoft is implementing stricter performance management policies, including a two-year rehire ban for underperforming employees. This reflects a broader tech industry shift towards higher performance expectations and less leniency. The new policies include options for exiting low performers and an improved Performance Improvement Plan (PIP), aiming for greater transparency and accountability. This follows recent layoffs of underperforming employees without severance.

(www.businessinsider.com)

Tech Performance Management

Anthropic Reveals Claude Code's 'UltraThink' Mode

2025-04-20

Anthropic released extensive documentation on best practices for their Claude Code CLI coding agent tool. A fascinating tip reveals that using words like "think," "think hard," etc., triggers extended thinking modes. These phrases directly correlate to different thinking budgets; "ultrathink" allocates a massive 31999 tokens, while "think" uses only 4000. Code analysis shows these keywords trigger functions assigning varying token counts, impacting Claude's thinking depth and output. This suggests "ultrathink" isn't a Claude model feature, but rather a Claude Code-specific enhancement.

(simonwillison.net)

AI

Antarctic Detector Picks Up Anomalous Signal: Unknown Particles from Deep Space?

2025-06-13

Antarctic Detector Picks Up Anomalous Signal: Unknown Particles from Deep Space?

The ANITA detector in Antarctica has detected anomalous cosmic ray signals that defy explanation by current particle physics models. These signals appear to originate from below, traveling upward in a direction opposite to what's expected, sparking intense scientific interest. Researchers have ruled out other known particles, suggesting the possibility of dark matter or a gap in our understanding of radio wave propagation in ice. A Penn State team is building a more powerful detector, PUEO, hoping to solve this cosmic mystery and further explore the enigma of cosmic rays.

(www.psu.edu)

Tech ANITA detector

Hyperion: The Tallest Tree's Secret and Its Protection

2025-03-16

Hyperion: The Tallest Tree's Secret and Its Protection

Hyperion, a coast redwood in California, stands as the world's tallest known living tree, measuring 116.07 meters (380.8 ft). Discovered in 2006, its exact location remained a secret until the Redwood National Park closed the area due to habitat destruction caused by excessive visitors. The park now issues hefty fines and potential jail time to those who get too close to the approximately 600-800 year old giant, highlighting the delicate balance between appreciating nature's wonders and protecting its fragile ecosystems.

(en.wikipedia.org)

Misc redwood world's tallest tree

UK Fusion Firm First Light Fusion Pivots Away From Reactor Construction

2025-04-28

UK Fusion Firm First Light Fusion Pivots Away From Reactor Construction

UK-based nuclear fusion company First Light Fusion has suffered a 60% valuation drop after abandoning plans to build its first reactor due to funding issues. The company's 'projectile fusion' technology, involving firing a projectile at a fuel cell, proved too costly to develop into a power plant. Instead, First Light will now license its 'amplifier' technology, which boosts fusion reactions, to other nuclear power companies. This pivot aims for a more capital-efficient model and faster revenue generation. The decision comes amidst increased competition from China's advancements in fusion technology and highlights the challenges in commercializing this promising but complex energy source.

(finance.yahoo.com)

Tech

Sparse Interpretable Audio Codec: Towards a More Intuitive Audio Representation

2025-02-01

This paper introduces a proof-of-concept audio encoder that aims to encode audio as a sparse set of events and their times of occurrence. It leverages rudimentary physics-based assumptions to model the attack and physical resonance of both the instrument and the room, hopefully encouraging a sparse, parsimonious, and easy-to-interpret representation. The model works by iteratively removing energy from the input spectrogram, producing event vectors and one-hot vectors representing time of occurrence. The decoder uses these vectors to reconstruct the audio. Experimental results show the model's ability to decompose audio, but there's room for improvement, such as enhancing reconstruction quality and reducing redundant events.

(blog.cochlea.xyz)

AI audio coding

Go's Surprising Memory Allocation Trap: A 30% Regression Story

2025-04-21

Go's Surprising Memory Allocation Trap: A 30% Regression Story

A seemingly innocuous refactoring in a Go project led to a 30% performance regression. The culprit was the `GetBytes` method of the `ImmutableValue` struct, which used a value receiver, causing a heap allocation on every call. Heap allocations are significantly more expensive than stack allocations. The root cause was the Go compiler's escape analysis being imprecise; it failed to recognize that the value receiver wouldn't escape. Switching to a pointer receiver fixed the problem. This case highlights the importance of understanding the Go compiler's memory allocation decisions and using appropriate receiver types for high-performance Go code.

(www.dolthub.com)

Development

Chronic Pain Recovery: My Journey and a New Substack

2025-07-04

Chronic Pain Recovery: My Journey and a New Substack

The author, after moving in the winter of 2020, suffered from chronic pain for four years, impacting his life and work. After various treatments failed, he delved into the mind-body approach to chronic pain and successfully recovered. He's now launching a Substack to share his experiences and knowledge, helping others dealing with chronic pain. The blog will cover the causes of chronic pain, the interplay of biological, psychological, and social factors, and effective recovery strategies, emphasizing the mind-body approach's significance in treatment.

(sailhealth.substack.com)

Misc mind-body approach recovery

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