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Amazon Deal: Uncertainties Remain

2025-02-20
Amazon Deal: Uncertainties Remain

Amazon issued a statement highlighting uncertainties surrounding an ongoing transaction. Potential risks mentioned include failure to meet transaction conditions, regulatory approvals not being obtained, delays or failure to close the deal, and an inability to achieve anticipated benefits. Amazon emphasized that actual results may differ materially from expectations and disclaimed any obligation to update the information unless legally required. Investors are cautioned against undue reliance on forward-looking statements.

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(www.aboutamazon.com)
Startup transaction risk

The Entropy of Large Language Model Output: An Information-Theoretic Perspective

2025-01-13

This post explores the output of large language models (LLMs like ChatGPT) from an information-theoretic perspective. The author calculates the entropy of each output token to measure the model's certainty in predicting the next token. Experiments show lower entropy (higher certainty) at sentence endings or word fragments, and higher entropy (more uncertainty) in descriptive statements. A comparison of token types at low vs. high entropy reveals that low entropy often correlates with factual statements (containing proper nouns), while high entropy correlates with descriptive statements. A Tamil language example is used for further illustration, emphasizing the importance of discerning truth from falsehood.

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(nikkin.dev)
AI Entropy Information Theory

Subaru Starlink Flaw Lets Hackers Unlock Cars, Track Location

2025-01-28
Subaru Starlink Flaw Lets Hackers Unlock Cars, Track Location

Security researchers discovered a critical vulnerability in Subaru's Starlink connected services, allowing hackers to access location data, remotely unlock doors, and more. By compromising Subaru employee accounts and exploiting an admin panel, attackers gained access to vehicle information. While the vulnerability has been patched, it highlights the serious security risks associated with connected cars.

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(jalopnik.com)
Tech Subaru

Great Question is Hiring a Lead Product Designer

2025-01-30
Great Question is Hiring a Lead Product Designer

Great Question, a seed-stage startup backed by Y Combinator and Funders Club, is hiring a Lead Product Designer. They're building an all-in-one customer research platform used by companies like Gusto, Experian, Canva, and Brex. The role requires 7-12 years of experience in software product design, with a focus on B2B SaaS and enterprise clients. The ideal candidate will be a strong leader with excellent UX design skills, capable of independently leading the design of complex product areas from conception to launch.

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(www.ycombinator.com)
Design Product Design

Interactive Yjs Tutorial Launched by Jamsocket

2025-01-16
Interactive Yjs Tutorial Launched by Jamsocket

Jamsocket has released Learn Yjs, an interactive tutorial series teaching developers how to build real-time collaborative applications using the Yjs CRDT library. Starting with Yjs basics, it covers techniques for handling state in distributed applications, explaining CRDTs and their benefits. The tutorial features explorable demos and code exercises, powered by Y-Sweet, their open-source Yjs server, for a real-time collaborative experience.

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(learn.yjs.dev)
Development Real-time Collaboration

Helix: A Vision-Language-Action Model for General-Purpose Robotic Manipulation

2025-02-20
Helix: A Vision-Language-Action Model for General-Purpose Robotic Manipulation

Figure introduces Helix, a groundbreaking Vision-Language-Action (VLA) model unifying perception, language understanding, and learned control to overcome long-standing robotics challenges. Helix achieves several firsts: full upper-body high-rate continuous control, multi-robot collaboration, and the ability to pick up virtually any small household object using only natural language instructions. A single neural network learns all behaviors without task-specific fine-tuning, running on embedded low-power GPUs for commercial readiness. Helix's "System 1" (fast reactive visuomotor policy) and "System 2" (internet-pretrained VLM) architecture enables fast generalization and precise control, paving the way for scaling humanoid robots to home environments.

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(www.figure.ai)
AI Vision-Language-Action

NASA Tech to Boost Car Fuel Efficiency

2025-02-18
NASA Tech to Boost Car Fuel Efficiency

Did you know that three-quarters of the energy in gasoline is wasted as heat? Researchers at JPL are collaborating with automakers to harness NASA's space technology—thermoelectric generators—to convert waste heat from cars into electricity. This technology, used for decades in space exploration, is now being adapted to improve fuel efficiency and reduce carbon emissions. While automotive applications face thermal cycling challenges, JPL aims for a 10% improvement in gas mileage. Future applications could extend to other industries with waste heat.

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(climate.nasa.gov)
Tech thermoelectric generator NASA technology

DistroWatch Weekly: Adelie and Pop!_OS Updates, Plus Facebook Bans Linux Links

2025-01-27

This week's DistroWatch Weekly covers updates to Adelie Linux 1.0 Beta 6 and Pop!_OS 24.04 Alpha 5. Adelie shows improvements in efficiency and multi-desktop environment support, but still faces networking and input device compatibility issues. Pop!_OS's COSMIC desktop boasts optimized window switching and settings panel, but suffers from high memory usage, broken video playback, and VPN setup problems. Additionally, Facebook's labelling of Linux as malware and subsequent ban on DistroWatch links sparks concern.

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(distrowatch.com)
Development desktop environments Facebook censorship

Building a Mechanical Star Tracker for the ISS

2025-01-18
Building a Mechanical Star Tracker for the ISS

Engineer Ted Kinsman was tasked by NASA astronaut Don Pettit to design and build a mechanical star tracker for capturing high-quality astrophotography images from the International Space Station (ISS). Due to the lengthy testing period for electronic devices, the tracker was entirely mechanical, cleverly utilizing a clock drive from an industrial oven. Gear ratios were adjusted to match the ISS's orbital speed. The device successfully reached the ISS in 2024 and has captured stunning images of the cosmos.

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(petapixel.com)
Tech space

Uncle Bob and John Ousterhout Debate Software Design

2025-02-25
Uncle Bob and John Ousterhout Debate Software Design

Robert "Uncle Bob" Martin and John Ousterhout engaged in a spirited debate on software design principles, covering key topics such as method length, code comments, and Test-Driven Development (TDD). They fiercely debated the extent of code decomposition, the necessity of comments, and the pros and cons of TDD, using code examples and specific scenarios to support their arguments. This debate highlights the importance of trade-offs in software design and the need to avoid extremes when striving for conciseness and readability.

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(github.com)
Development test driven development

Trump Admin Cuts Off Crucial F-16 Jamming Support: Ukraine's Response

2025-03-09
Trump Admin Cuts Off Crucial F-16 Jamming Support: Ukraine's Response

The Trump administration cut off vital support for the jamming capabilities of Ukraine's F-16 fighter jets, jeopardizing a critical air countermeasure. However, Ukraine isn't defenseless. They can leverage the jamming capabilities of French Dassault Mirage 2000 fighters, along with promised upgrades to their electronic warfare systems, to compensate for the American shortfall. While not a long-term solution, it buys Ukraine valuable time until more sustainable alternatives can be found.

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(ukrainetoday.org)
Tech military technology Ukraine conflict electronic warfare

VPTERNLOG: The Surprising Efficiency of Ternary Operators

2025-01-22

Paul Khuong's blog post explores VPTERNLOG, a novel instruction using ternary operators for bitvector reduction. Compared to binary operators, ternary operators reduce two values at a time, doubling efficiency. This means half the operations are needed when processing bitvectors, without sacrificing throughput or latency. The author praises VPTERNLOG as a cute, lightweight, and highly efficient instruction.

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(pvk.ca)
Development ternary operator bitvector instruction optimization

Infosec for Activists: A Guide to Protecting Your Digital Footprint

2025-02-05

This guide helps activists protect their digital security and privacy. It highlights the increasing risks activists face in today's technological landscape, where law enforcement can readily access user data. The guide recommends privacy-focused tools like DuckDuckGo, Signal, Jitsi, and Bitwarden, and provides detailed instructions for securing phones, including disabling GPS, Bluetooth, and WiFi, and setting strong passwords and enabling two-factor authentication. It also advises activists on pre-action, during-action, and post-action security measures to minimize personal information exposure.

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(infosecforactivists.org)
Development digital privacy activism

Revolutionary All-Optical Nanoscale Force Sensors Access Unreachable Environments

2025-01-03
Revolutionary All-Optical Nanoscale Force Sensors Access Unreachable Environments

Columbia University researchers have developed revolutionary all-optical nanoscale force sensors capable of measuring forces with unprecedented sensitivity and dynamic range. These sensors utilize the photon-avalanche effect, enabling remote, light-based force detection without physical connections. Applications span robotics, cellular biophysics, medicine, and even space exploration. This breakthrough promises to transform force sensing technology, opening up new possibilities for measurements in previously inaccessible environments.

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(phys.org)
Tech nanotechnology force sensor optics

go-msquic: A Go Wrapper for Microsoft's QUIC Library

2025-02-19
go-msquic: A Go Wrapper for Microsoft's QUIC Library

go-msquic is a Go wrapper for Microsoft's QUIC library, providing a simple interface for Go developers to work with QUIC-based protocols like HTTP/3. Its API is inspired by quic-go and can be used as a drop-in replacement. Unless you're comfortable working with C libraries, quic-go is generally recommended. Installation requires building the local MsQuic C library first, then installing with `go get github.com/noboruma/go-msquic`. Sample code is in the sample/ directory.

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(github.com)
Development

Apitally API Analytics: Lightweight Metadata Collection, Protecting Your Sensitive Data

2025-02-05
Apitally API Analytics: Lightweight Metadata Collection, Protecting Your Sensitive Data

Apitally's API analytics and monitoring client libraries collect only non-sensitive metadata about your endpoints, requests, and responses. This includes HTTP methods, paths, response status codes, timing, and the size of request and response bodies. Data is aggregated client-side before being sent to Apitally servers. For API request logging, the libraries allow you to configure logging details and easily mask sensitive fields, ensuring data security.

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(apitally.io)
Development API Monitoring Client Libraries

TSMC's 2nm Node: Density King, But High Price May Be a Problem

2025-02-11
TSMC's 2nm Node: Density King, But High Price May Be a Problem

TSMC unveiled its 2nm platform technology at IEDM 2024, featuring energy-efficient nanosheet transistors and 3DIC co-optimization. The process boasts a 30% power improvement and 15% performance gain over its 3nm node, and is projected to be the densest in the 2nm class. However, analysis suggests that while early yield is impressive, a reported $30,000 per wafer price could hamper competitiveness, potentially opening the door for Intel and Samsung to gain market share. TSMC's 2nm node is expected to enter production in the second half of this year.

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(semiwiki.com)
Tech 2nm node

Blazing Fast Concurrent Hash Map for Go: cmapv2

2025-06-17
Blazing Fast Concurrent Hash Map for Go: cmapv2

This article introduces cmapv2, a high-performance concurrent hash map library for Go. Leveraging the MurmurHash algorithm, it offers both regular and sharded map types for various concurrency needs. Example code demonstrates initialization, insertion, retrieval, and deletion of key-value pairs. The article also details performance testing using `go test` and `pprof` for CPU and memory profiling.

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(github.com)
Development Concurrent HashMap

Running LLMs Locally with Deno and Jupyter Notebooks

2025-03-01
Running LLMs Locally with Deno and Jupyter Notebooks

This article details the author's journey in setting up and using a local large language model (DeepSeek R1) with Deno, Jupyter Notebooks, Ollama, and LangChain.js. The author walks through the process, from setting up the environment and installing the model to writing the code and visualizing the results. The article highlights the ease and efficiency of Deno and Jupyter Notebooks for AI development, showcasing a smooth workflow and successful interaction with the local LLM. The ability to easily swap the local model for an API-based one is also mentioned.

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(deno.com)
Development

Nokia Design Archive Now Online: A Journey Through Time

2025-01-16
Nokia Design Archive Now Online: A Journey Through Time

The Nokia Design Archive is now live, showcasing its design history through an interactive network timeline. Users can explore a vast collection of design materials using keyword search, topic filters (products, aesthetics, design process, design strategy), and date filters. The archive is licensed under CC BY-NC-ND 4.0, with clear attribution instructions provided.

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(nokiadesignarchive.aalto.fi)
Design Nokia Design Archive UI Design

Beyond Paris: Balzac's 'The Lily in the Valley'

2025-02-02
Beyond Paris: Balzac's 'The Lily in the Valley'

This article delves into Balzac's 'The Lily in the Valley', a novel that transcends its Parisian setting to offer profound insights into societal structures, environmental influences, and the complexities of human relationships. The epistolary novel unfolds a story of platonic love between the protagonist Félix and a married countess. The author analyzes the intricate characters and Balzac's masterful portrayal of their inner lives against the backdrop of French society, revealing a critical reflection on the era's social and economic forces. While Parisian settings feature, the novel's core lies in its exploration of love, human nature, and the transformative currents of society.

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(www.lrb.co.uk)
Misc Balzac French Literature

Understanding Functors, Applicatives, and Monads in Haskell

2025-03-30
Understanding Functors, Applicatives, and Monads in Haskell

This article provides a clear and accessible explanation of functors, applicatives, and monads in Haskell functional programming, using analogies to make complex concepts easier to grasp. The author uses the metaphor of boxes to illustrate how these types handle function application in different scenarios, providing code examples to demonstrate their usage and differences. The article concludes with a reflection on the importance of learning and sharing knowledge, stemming from an interaction with the Haskell community.

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(www.thecoder.cafe)
Development Monads

QuicklyPDF: Your All-in-One Online PDF Solution

2025-01-03
QuicklyPDF: Your All-in-One Online PDF Solution

QuicklyPDF is a free and easy-to-use online platform offering a comprehensive suite of PDF tools. From basic operations like merging, rotating, deleting, reordering, compressing, and extracting pages, to advanced features such as grayscale conversion and PDF repair, QuicklyPDF handles it all. It supports conversions between PDF and various formats including JPG, PNG, BMP, TIFF, Word, PowerPoint, TXT, and Excel. Security features include password protection and unlocking. Whether you're an individual or a business, QuicklyPDF streamlines your PDF workflow.

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(quicklypdf.com)
Misc PDF tools online tools PDF conversion

Medicare to Negotiate Prices for 15 Popular Drugs

2025-01-17
Medicare to Negotiate Prices for 15 Popular Drugs

The Biden administration announced that 15 commonly used drugs, including Ozempic and Wegovy, will be included in Medicare's price negotiation program. This marks the first time the U.S. government will directly negotiate drug prices with manufacturers, and is expected to save taxpayers billions of dollars. While Ozempic and Wegovy have drawn scrutiny for their high costs, Medicare currently only covers them for diabetes treatment, not weight loss. The incoming Trump administration will decide whether to implement a proposed rule to cover these medications for obesity. This brings the total number of drugs subject to Medicare price negotiations to 25, covering a third of prescription drug spending. The pharmaceutical industry has sued over the program, but groups like the AARP say they will fight to uphold the law.

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(apnews.com)
Tech Drug Price Negotiation

Calculating Reciprocal Throughput in LLVM's Scheduling Model

2025-03-30

This post delves into the calculation of reciprocal throughput within LLVM's instruction scheduling model. LLVM's scheduling model describes an instruction with three key properties: latency, hardware resources used, and the number of cycles it holds each resource. While the traditional approach uses the maximum release cycle to calculate reciprocal throughput, this breaks down when non-zero acquire cycles are present. By analyzing resource segments and the instruction scheduling process, the author derives a new method: using the length of the longest segment across all hardware resources as the reciprocal throughput. This addresses the shortcomings of the traditional method when dealing with resource segments, providing a more accurate basis for performance optimization in the LLVM compiler.

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(myhsu.xyz)
Development Instruction Scheduling

Building an Open-Source Laptop from Scratch: The anyon_e Project

2025-01-22
Building an Open-Source Laptop from Scratch: The anyon_e Project

Bryan embarked on an ambitious journey to build a highly integrated open-source laptop, anyon_e, from the ground up. The resulting machine boasts a 4K AMOLED display, a Cherry MX mechanical keyboard, and impressive performance running games like Minecraft and 7B parameter LLMs, all while maintaining ~7 hours of battery life. The project involved designing a custom motherboard around an RK3588 SoC, a dedicated power controller (ESP32-S3), and creating a mechanical keyboard and trackpad. This interdisciplinary endeavor, spanning hardware design, software development, and mechanical engineering, showcases the power of open-source collaboration and the drive to push boundaries.

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(www.byran.ee)
Hardware

Xiaomi's Draconian Bootloader Unlock Policy Sparks Debate

2025-01-03
Xiaomi's Draconian Bootloader Unlock Policy Sparks Debate

Xiaomi has drastically tightened its bootloader unlock policy, limiting users to unlocking only one device per year. While this change minimally impacts average consumers, it could significantly hinder custom ROM development. This move has sparked a debate about device ownership and user freedom, with speculation focusing on Xiaomi's motivations, including preventing users from bypassing built-in ads and tracking, or thwarting scalpers reselling phones with modified software. Users see this as restricting choice, while developers worry about reduced efficiency in custom ROM creation.

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(www.androidpolice.com)
Tech Custom ROM

Has Our Respect for Complexity Vanished?

2025-01-21

This blog post explores the modern societal loss of understanding and respect for complexity. With automation and the information age, direct contact with complex systems has diminished, leading to a lack of appreciation for the intricacies of fields like agriculture and manufacturing. This lack of respect manifests in simplified approaches to complex problems in daily life and impacts education and future perspectives. The author argues that admitting 'I don't know' is a valuable trait, and respect for complexity is truly admirable.

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(wilsoniumite.com)
Misc information age
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