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Protomaps is an open source map of the world that can be easily deployed as a single static file on cloud storage. It uses the PMTiles format, which is a specification for single-file tile pyramids that are organized in a compressed Hilbert ordering and can be queried via HTTP Range Requests. Protomaps can be delivered […]
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This web content is about a Java implementation of Dilithium, which is a post-quantum digital signature scheme. It is based on the C reference implementation and has been wrapped into a JCE provider for easy use. Dilithium is part of the CRYSTALS suite of algorithms and is based on algebratic lattices. It is recommended as […]
In this article, the author aims to explain how to make a CPU using rocks and sand in a concise manner. The article emphasizes the importance of individual creativity and self-reliance in a world dominated by proprietary hardware and software. The process begins with obtaining silicon dioxide from rocks and purifying it to create pure […]
Fukuoka, Japan’s sixth largest city, is known for its yatais, open-air food stalls that are a unique and integral part of the city’s food scene. These yatais operate only at night and are required to dismantle their stalls before morning. The limited space in the yatais encourages customers to sit closely together, fostering a friendly […]
In the bustling streets of Manhattan’s Union Square during World War I, the USS Recruit, a wooden landship constructed for the US Navy, stood proudly as a training tool for new recruits. Although it never sailed or saw combat, it successfully increased the number of men enlisting in the war effort. Mayor John P. Mitchel […]
This website is designed to provide back-of-the-envelope calculations on the performance of rockets like those described in science fiction literature. It was created to help science fiction authors achieve a level of scientific accuracy in their writing, particularly in the genre of Hard Science Fiction. The site also offers tools and resources for designing rocketships […]
In this article, the author explores the concept of running multiple OpenTelemetry Collectors within an architecture and highlights the benefits of using Apache Kafka in conjunction with the collectors. The OpenTelemetry Collector serves as a crucial component in an observability deployment, gathering, compressing, managing, and filtering data before sending it to the observability backend. However, […]
In the 1990s, amidst the culture of hyper color t-shirts and alternative rock, magic eye pictures became popular. To create an autostereogram, you need a color image and a depth image. By modifying the algorithm, you can create a 3D effect by looking at the output image at an offset location. However, there are some […]
The 2023 Rebelle Rally, an off-road map-and-compass rally, made history this year when a team driving the all-electric Rivian R1T took first place in the 4×4 class. This is the first time an electric vehicle has won the rally. The team, consisting of Rivian employees Lilly Macaruso and Alex Anderson, made some interior modifications to […]
The paper discusses the development and lessons learned from Lucasfilm’s Habitat, one of the first large-scale commercial multi-user virtual environments. The authors highlight that the success of a cyberspace is determined by the interactions among its users rather than the technology used to build it. They emphasize the importance of a multi-user environment and the […]