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CircuitHub: $20M Series A, Revolutionizing Electronics Prototyping with Automated Factory

2025-06-05
CircuitHub: $20M Series A, Revolutionizing Electronics Prototyping with Automated Factory

CircuitHub, backed by $20M in funding from top investors like Y Combinator and Google Ventures, is revolutionizing rapid electronics prototyping. Their automated electronics factory, "The Grid," boasts a 10x throughput improvement, serving clients such as Tesla, Meta, and Zipline. They're hiring full-stack robotics engineers to maintain and enhance The Grid's operations, offering a high-impact role shaping the future of automated manufacturing. This is a hands-on position requiring experience building complete robotic systems.

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(www.workatastartup.com)
Hardware Automated Manufacturing Electronics Prototyping

Airlines Secretly Charging Solo Travelers More

2025-05-29
Airlines Secretly Charging Solo Travelers More

A recent investigation revealed that the three largest US airlines (Delta, American, and United) are charging solo travelers higher fares than those booking for multiple passengers. Airlines adjust fare classes based on the number of passengers; solo travelers often only see higher-priced tickets, while group bookings unlock cheaper "deep discount" fares. This isn't universal, but it's confirmed and could significantly cost solo travelers more. Airlines have not commented, but the practice appears to be another method of segmenting customers to extract higher profits from business travelers.

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(thriftytraveler.com)
Tech airline pricing fare discrimination

My Take-Home Assignment Nightmare: Kagi Search's Unpaid Labor

2025-05-14

The author recounts a grueling experience with a take-home assignment for Kagi Search. Despite delivering a complete and well-documented email client web app deployed on AWS, exceeding the initial vague requirements, the author received a generic rejection email with no feedback. This experience highlights the absurdity of unpaid, extensive assignments in the tech hiring process and advocates for more effective methods like live code reviews.

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(bloggeroo.dev)
Misc hiring process take-home assignment

Rust GPU: Bringing Shadertoy Shaders to Rust

2025-04-12

Rust GPU lets you write GPU programs (shaders) in Rust. The authors ported several popular Shadertoy shaders to Rust with ease. Rust GPU compiles Rust code to SPIR-V, integrating seamlessly into Vulkan workflows. The project leverages Rust features like traits, generics, and macros, simplifying CPU/GPU data sharing. Furthermore, the project contributed back to the ecosystem by fixing issues in wgpu and naga.

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(rust-gpu.github.io)
Development

Real-time Lighting and Normal Mapping on the N64: A Stunning Reverse Engineering Feat

2025-05-17

This article details an impressive technique for achieving real-time lighting and normal mapping on the Nintendo 64. By cleverly leveraging palette textures and CPU-side shading, the author circumvents the N64's hardware limitations to achieve surprisingly impressive visuals. The technique involves compressing diffuse and normal information into a shared palette, and updating the palette at runtime via the CPU to simulate lighting effects. While the method has some limitations, such as lack of point light support and shadows, its innovative nature is remarkable, opening new possibilities for graphics rendering on the N64 platform.

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(30fps.net)
Development

Google Unveils Gemini 2.5 Flash: A Controllable Reasoning AI Model

2025-04-17
Google Unveils Gemini 2.5 Flash: A Controllable Reasoning AI Model

Google has released Gemini 2.5 Flash, a new large language model featuring controllable reasoning capabilities. Building upon the popular 2.0 Flash, it significantly improves reasoning while prioritizing speed and cost-effectiveness. Developers can adjust a 'thinking budget' to balance quality, cost, and latency. The model automatically adjusts its thinking process based on prompt complexity, offering modes ranging from no thinking to intensive reasoning. Gemini 2.5 Flash excels on LMArena's Hard Prompts, boasting a superior price-to-performance ratio, making it one of the most cost-effective thinking models available.

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(developers.googleblog.com)
AI Controllable Reasoning

Deep Dive into BSC Cryptocurrency Scams

2024-12-24

During the 2021 cryptocurrency bull market, the Binance Smart Chain (BSC) was flooded with various scams. The author analyzes multiple cases, exposing common tactics employed by scammers, including: creating smart contracts that make tokens unsaleable; manipulating approval functions to fail transactions or approve for minuscule amounts; setting adjustable transaction fees, eventually to 100%; falsely claiming ownership renunciation or liquidity locking; and using deceptive marketing. These scams preyed on the lack of knowledge among many new investors, successfully defrauding significant funds. The article concludes with a warning against seeking financial advice from social media platforms like Reddit.

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(nyuu.page)
Tech BSC scams smart contract vulnerabilities

Chrome's Manifest V3: A Nightmare for Ad Blocker Developers?

2025-02-08
Chrome's Manifest V3: A Nightmare for Ad Blocker Developers?

Google's Chrome Manifest V3 (MV3) extension architecture overhaul continues to cause headaches for developers of ad blockers, content filters, and privacy tools. While Google claims MV3 aims to improve security and performance, developers like those behind AdGuard and uBlock Origin find its restrictions far more severe than anticipated, limiting or even preventing core functionality. Developers complain that MV3 increases development difficulty and accuse Google of slow responses to developer feedback, even subtly undermining extensions through UI changes. This raises questions about Google's true intentions: is it about improving security and privacy, or subtly limiting extension capabilities?

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(www.theregister.com)
Development Chrome Extensions

Supreme Court Rules Broadband Isn't Telecom; Net Neutrality Fight Continues

2025-08-09
Supreme Court Rules Broadband Isn't Telecom; Net Neutrality Fight Continues

A 2024 Supreme Court ruling empowered courts to block agency interpretations of federal statutes, overturning a 2016 FCC decision under the Obama administration. The court decided broadband is classified as an "information service." Groups like Free Press are foregoing an appeal, focusing instead on Congress, state legislatures, and other courts to fight for internet affordability and openness. While the 6th Circuit's decision was flawed, alternative approaches are deemed more effective. Net neutrality could still reach the Supreme Court through other cases, and California's net neutrality law remains in effect.

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(arstechnica.com)
Tech

Ruby Central and DHH: A Community Divided by Values

2025-09-24
Ruby Central and DHH: A Community Divided by Values

The Ruby community is fractured over comments made by DHH (David Heinemeier Hansson) and the response from Ruby Central, the organizer of RailsConf. Author Jared White, after a Zoom meeting expressing concerns about DHH's rhetoric and his use of RailsConf to attack political opponents, found Ruby Central's response inadequate. Their collaboration with DHH at Rails World further fueled the conflict. White ultimately withdrew support from Ruby Central, questioning their commitment to inclusivity and shared values.

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(jaredwhite.com)
Development Ruby Community Values Conflict

Swiss VPNs Under Fire: Privacy vs. Security in the Balance

2025-06-06
Swiss VPNs Under Fire: Privacy vs. Security in the Balance

Proposed changes to Swiss encryption laws are sparking controversy, with increased surveillance obligations requiring companies to collect user data, significantly impacting online privacy. Swiss-based VPNs like Proton VPN and NymVPN are directly affected, with Proton's CEO even threatening to relocate rather than compromise user privacy. Surprisingly, Infomaniak, a Swiss cloud security company, supports the law, arguing that anonymity hinders justice and a balance must be struck. The debate centers around the difference between privacy and anonymity, and the risks of metadata collection. Infomaniak believes metadata (geolocation, timestamps, IP addresses, etc.) aids in crime-fighting, while opponents fear privacy violations and potential misuse. This clash over balancing privacy, security, and anonymity will have significant implications for the global VPN industry.

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(www.tomsguide.com)
Tech Swiss Law

Reverse Engineering Cursor's LLM Client: Peeking Under the Hood of an AI Coding Assistant

2025-06-07
Reverse Engineering Cursor's LLM Client: Peeking Under the Hood of an AI Coding Assistant

This post details how the authors used the open-source framework TensorZero to build a self-hosted proxy and successfully reverse-engineered the LLM client of the AI coding assistant Cursor. By routing communication between Cursor and LLM providers through TensorZero, they could observe, analyze, and even optimize the prompts and models Cursor uses. They overcame challenges related to Cursor's server-side preprocessing and CORS issues. Ultimately, they gained complete visibility into Cursor's LLM interactions, including prompts and responses, enabling A/B testing of different LLM models. This work provides valuable insights into understanding and optimizing AI coding assistants and reveals a potential hierarchy of LLMs within Cursor.

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(www.tensorzero.com)
Development

From Random Streaks to Recognizable Digits: Building an Autoregressive Image Generation Model

2025-06-08
From Random Streaks to Recognizable Digits: Building an Autoregressive Image Generation Model

This article details building a basic autoregressive image generation model using a Multilayer Perceptron (MLP) to generate images of handwritten digits. The author explains the core concept of predicting the next pixel based on its predecessors. Three models are progressively built: Model V1 uses one-hot encoding and ignores spatial information; Model V2 introduces positional encodings, improving image structure; Model V3 uses learned token embeddings and positional encodings, achieving conditional generation, generating images based on a given digit class. While the generated images fall short of state-of-the-art models, the tutorial clearly demonstrates core autoregressive concepts and the building process, providing valuable insights into generative AI.

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(tunahansalih.github.io)
AI

Gemma 3: Bringing State-of-the-Art AI to Your Desktop

2025-04-20
Gemma 3: Bringing State-of-the-Art AI to Your Desktop

Gemma 3, a cutting-edge open-source AI model, initially required high-end GPUs. To enhance accessibility, new versions optimized with Quantization-Aware Training (QAT) dramatically reduce memory requirements while maintaining high quality. This allows running powerful models like the 27B parameter Gemma 3 on consumer-grade GPUs such as the NVIDIA RTX 3090. These optimized models are available on Hugging Face and Kaggle, enabling easy integration into various workflows.

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(developers.googleblog.com)
AI Quantization-Aware Training

Updated: Introduction to Programming Languages Textbook

2025-09-24

Professors Jaemin Hong and Sukyoung Ryu from KAIST have released an updated version of their textbook, "Introduction to Programming Languages." This introductory book covers fundamental programming language concepts, including syntax, semantics, type systems, and interpreter/type-checker implementations. The authors encourage its use by anyone learning or teaching these concepts and acknowledge the contributions of students and teaching assistants. The latest edition features typo corrections and reduced page margins.

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(hjaem.info)
Development

Efficient Right-Truncatable Prime Counter in C

2025-05-27
Efficient Right-Truncatable Prime Counter in C

This C program efficiently calculates the number of right-truncatable primes for a given number of digits. It utilizes a custom hash table for fast primality checks and the primesieve library for optimized prime generation. A right-truncatable prime remains prime after successively removing its rightmost digit. The program handles input from 1 to 19 digits, reporting the count of right-truncatable primes for each digit length and the total execution time. For example, for 8-digit numbers, it finds 5 such primes and a total of 83 up to 8 digits.

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(github.com)
Development

Citizen Lab Director Warns of Tech-Fascism Fusion, Calls on Cybersecurity Community to Act

2025-08-07
Citizen Lab Director Warns of Tech-Fascism Fusion, Calls on Cybersecurity Community to Act

Ron Deibert, director of Citizen Lab, issued a stark warning at Black Hat, highlighting a growing fusion of technology and fascism, with Big Tech playing a significant role. He urged the cybersecurity community to address this challenge, preventing complicity in human rights abuses. Deibert linked recent political events in the US to a worrying slide towards authoritarianism, arguing the cybersecurity community has a responsibility to help counter this trend. He expressed concern that major tech companies might cut threat intelligence teams, weakening defenses against government spyware and severely impacting global civil society.

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(techcrunch.com)
Tech government spyware

Biofilm Geometry: How Local Interactions Shape Macroscopic Structures

2025-04-22
Biofilm Geometry: How Local Interactions Shape Macroscopic Structures

New research unveils the geometric secrets of bacterial biofilm growth. Researchers discovered that the contact angle of cells at the biofilm's edge dictates growth patterns, impacting overall fitness. A high contact angle leads to increased vertical growth, while a low contact angle promotes horizontal spread. These local cell-cell interactions ultimately shape the macroscopic structure of the entire biofilm, offering insights into how cell collectives form multicellular individuals.

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(www.quantamagazine.org)
Bio biofilm cell geometry bacterial growth

A Coffee Newbie's Journey into Light Roasting

2025-05-13

Growing up on Jolt Cola, the author tried various cola replacements after its departure from the Swedish market, finally settling on Volt Cola in 2013. However, health concerns led him to try coffee. Initially disliking its bitterness and high temperature, he started experimenting with light roast coffee for health reasons. Inspired by YouTube coffee legend James Hoffmann, he acquired a grinder and a Clever Dripper, trying numerous coffee beans before finding his preferred light and juicy type. The post concludes with an invitation to readers to share coffee bean recommendations.

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(ostwilkens.se)
Misc light roast coffee bean recommendations

FTC Sues Uber Over Deceptive Subscription Practices

2025-04-21
FTC Sues Uber Over Deceptive Subscription Practices

The Federal Trade Commission (FTC) today filed a lawsuit against Uber, alleging that the ride-sharing and delivery company charged consumers for its Uber One subscription service without consent, failed to deliver promised savings, and made it difficult for users to cancel despite a 'cancel anytime' promise. FTC Chair Andrew N. Ferguson stated that Americans are tired of unwanted subscriptions that are nearly impossible to cancel. The FTC alleges Uber not only deceived consumers but also made cancellation unreasonably difficult. The complaint details deceptive billing and cancellation practices, including falsely advertised savings, obscured subscription information, unauthorized charges, and an excessively complex cancellation process. The FTC contends Uber's actions violate the FTC Act and the Restore Online Shoppers' Confidence Act (ROSCA).

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(www.ftc.gov)
Startup

Seeking DevOps Expert to Optimize GovCloud AI Platform

2025-05-07
Seeking DevOps Expert to Optimize GovCloud AI Platform

GovEagle is hiring a seasoned Kubernetes and Python expert to optimize its AI-powered platform for government contractors. The role involves auditing the reliability of Kubernetes workloads, Celery queues, Redis caching, and cloud networking; creating a prioritized action plan and rapidly implementing improvements (e.g., HPA tuning, alerts, rollout strategies); and providing guidance or prototyping the adoption of Temporal where Celery falls short. Candidates need 5+ years of experience running high-availability production systems, deep experience scaling Python services on Kubernetes, and a strong track record with queue-based architectures and observability. FedRAMP/GovCloud familiarity is a plus.

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(www.ycombinator.com)
Development

FPU Emulation Revival for NetBSD's i486SX

2025-04-27
FPU Emulation Revival for NetBSD's i486SX

This retro-computing project brings back x87 Floating-Point Unit (FPU) emulation to NetBSD's kernel, specifically for legacy 486SX processors lacking hardware FPUs. It reinstates the `MATH_EMULATE` option in NetBSD 10.x and later, reversing changes that removed this functionality. While many x87 instructions are emulated, some like `fyl2xp1`, `fxtract`, `fpatan`, and `fsqrt` remain unsupported. The project is a work in progress and may contain bugs; use at your own risk. Users need to compile the kernel themselves.

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(github.com)
Development FPU emulation

The Transformative Power of Enthusiasm: Building Community Through Belief

2025-04-25
The Transformative Power of Enthusiasm: Building Community Through Belief

Tina recounts her journey from a childhood fascination with enthusiasm to founding the successful CreativeMornings events. She shares key individuals who fueled her dreams with their passion, helping her overcome self-doubt and build a supportive community. This inspiring story highlights the power of enthusiasm, the importance of mutual support, and the creation of positive communities in a challenging world.

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(www.swiss-miss.com)
Startup Enthusiasm

Fortran vs. Python: An Unexpected Finding in Teaching Scientific Computing to Engineering Students

2025-09-24
Fortran vs. Python: An Unexpected Finding in Teaching Scientific Computing to Engineering Students

A professor who has taught an introductory scientific computing class for over 10 years using Python, questions whether Python is the optimal choice for beginners, especially in numerical linear algebra. He argues that a strongly-typed language like Fortran might offer a better learning experience. Python's flexibility, while convenient, leads to common student errors: confusion with the numpy library, indentation errors, and off-by-one errors stemming from 0-based indexing. In contrast, Fortran's strong typing and explicit loop structures help students better understand algorithms and reduce errors. The article uses the Jacobi method and QR decomposition as examples, comparing Python and Fortran implementations and arguing for Fortran's potential advantages in teaching, despite Python's broader ecosystem and versatility.

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(loiseaujc.github.io)
Development scientific computing

Nerdlog: A Blazing-Fast, Serverless Remote Log Viewer

2025-04-21
Nerdlog: A Blazing-Fast, Serverless Remote Log Viewer

Nerdlog is a fast, remote-first, multi-host TUI log viewer with a timeline histogram and no central server. Inspired by Graylog/Kibana but without the bloat, it requires minimal setup. It efficiently queries logs from multiple remote machines simultaneously, filtering by time range and patterns, and displaying a timeline histogram for quick visual analysis. Primarily designed for reading system logs (/var/log/messages or /var/log/syslog) from one or more remote hosts, it's highly efficient even with large log files (1GB+). While supporting other log formats, its core functionality stems from a need to efficiently monitor logs from numerous web service backend instances. Nerdlog connects via SSH, keeping connections idle in the background. Log analysis happens remotely, downloading only minimal data per query, and utilizing gzip compression for bandwidth efficiency. It features a Vim-like command line interface and keybindings for intuitive navigation and control.

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(github.com)
Development remote logging

Qualcomm's 5G Modem Outperforms Apple's In-House Chip in New Tests

2025-05-27
Qualcomm's 5G Modem Outperforms Apple's In-House Chip in New Tests

A Qualcomm-funded study reveals that Android smartphones using its Snapdragon X75 and X80 modems significantly outperform Apple's first in-house 5G modem, the C1, in download and upload speeds, especially in challenging urban environments. Qualcomm-powered phones showed up to 35% faster downloads and 91% faster uploads. While Apple's modem performed adequately in ideal conditions, the gap widened in low-signal areas. This highlights the technological hurdles Apple faces in bringing this critical component in-house, compared to Qualcomm's two-decade head start and extensive licensing. Qualcomm's stock rose following the report, while Apple's remained relatively unchanged, raising questions about future improvements to its modem.

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(finance.yahoo.com)
Tech

AI Revolutionizes Observability: The Death of Dashboards, The Rise of LLM-Driven Analysis

2025-06-11
AI Revolutionizes Observability: The Death of Dashboards, The Rise of LLM-Driven Analysis

Traditional observability tools rely on dashboards and manual analysis of massive datasets, but the advent of Large Language Models (LLMs) is changing that. The author recounts a case study where a simple LLM prompt automatically identified and diagnosed latency spikes in an application service, far surpassing human efficiency. This heralds a shift in observability tools from graphical interfaces to AI-driven real-time analysis, with fast feedback loops becoming the core competency. In the future, AI agents will assist or even replace parts of development and operations work, and rapid analysis capabilities will be crucial.

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(www.honeycomb.io)
Tech

LLMs: Manipulating Symbols or Understanding the World?

2025-06-04
LLMs: Manipulating Symbols or Understanding the World?

This article challenges the prevailing assumption that Large Language Models (LLMs) understand the world. While LLMs excel at language tasks, the author argues this stems from their ability to learn heuristics for predicting the next token, rather than building a genuine world model. True AGI, the author contends, requires a deep understanding of the physical world, a capability currently lacking in LLMs. The article criticizes the multimodal approach to AGI, advocating instead for embodied cognition and interaction with the environment as primary components of future research.

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(thegradient.pub)
AI Embodied Cognition

WordPress Co-founder Mullenweg: Staying Put, Seeking a Steward, Not a Committee

2025-03-04
WordPress Co-founder Mullenweg: Staying Put, Seeking a Steward, Not a Committee

Amidst calls for his resignation following a contentious legal battle with WP Engine, WordPress co-founder and Automattic CEO Matt Mullenweg affirmed his intention to remain. He's actively planning succession, aiming to find a successor CEO, not a committee, to continue stewarding the WordPress community. The conflict with WP Engine, a company built on WordPress, centers around Mullenweg's belief they haven't adequately contributed back to the open-source project. He also discussed Automattic's future and the success of its model, highlighting WordPress.com's role in introducing over 100 million people to WordPress. Mullenweg envisions a future where the successor acts more as a 'mayor' than a CEO, accountable to the community.

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(techcrunch.com)
Development Succession Planning
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