Summary: Khoury explores counterintuitive properties of high dimensional space, such as spheres within cubes. As dimensions increase, inner spheres start poking outside, with volume decreasing to nearly nothing after dimension six. The band width needed to capture surface area around the equator decreases in higher dimensions. The kissing number of circles touching a central circle […]
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The author discusses their passion for collecting and maintaining their first Lisp Machine, a Symbolics MacIvory III, while highlighting the unique features and history of Lisp machines. They explore the technical innovation and development of Lisp machines, the split between LMI and Symbolics, and the controversy surrounding the control of software. Detailed explanations of specific […]
The Colmi R02 Python client allows users to access data from the Colmi R02 Smart Ring, a budget-friendly fitness wearable with features like step tracking, sleep tracking, heart rate, and blood oxygen monitoring. The open-source client works offline and enables real-time heart rate and SPO2 tracking, sleep monitoring, and stress measurement. Users can interact with […]
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Kenton Varda of Cloudflare introduces a new version of the Durable Object platform, now based on SQLite, offering zero-latency storage for high-performance applications. Courting controversy, this design aims to colocate application logic with data, resulting in efficient read and write speeds. The system handles scaling by creating multiple objects, each handling different units of state. […]
Search advertising is taking over the internet, cluttering search results and invading users’ privacy with tracking technologies. Kagi offers a solution by charging a nominal fee for searches, ensuring faster, more accurate results while respecting user privacy. This aligns Kagi’s incentives with its users, supporting a more ethical web. Ad-supported search engines like Google make […]
The Huly Platform is a robust framework designed to speed up business applications like CRM systems. This repository includes various applications, such as Chat, Project Management, CRM, HRM, and ATS, being built by different teams. Self-hosting Huly is made easy with the huly-selfhost project, allowing for convenient hosting using docker for quick setup. Development environment […]
On August 19, 1949, a British European Airways DC-3 crashed in Saddleworth Moor, near Oldham, resulting in the death of crew and passengers. Prof Stephen Evans, one of the survivors, highlights the concept of luck, ranging from circumstantial to constitutive, influencing outcomes beyond control. Juliane Koepcke’s survival after a plane crash in the Amazon underscores […]
In October 2018, Hurricane Michael devastated Tyndall Air Force Base with 155 mph winds, revealing the vulnerability of coastal military bases to extreme weather. To combat this, the Pentagon launched the Reefense program, aiming to protect bases with hybrid reef structures that combine manmade materials with oysters or corals to weaken waves. Rutgers University is […]
The author introduces the RaBitQ approximate nearest neighbor search algorithm, initial implementation in C++, and subsequent slow rewrite in Rust. They detail step-by-step improvements, including dataset preparation, profiling tools like Samply and Cargo, and benchmarking with Criterion. Surprisingly, they delve into CPU-specific optimizations, SIMD implementation for performance gains, and leveraging Rust algebra crates like faer. […]