Show HN: I built a simple, open-source tool to manage servers and SSH keys
Viking is a command-line tool for managing remote machines and SSH keys, providing users the freedom to utilize bare metal servers without limitations. The tool offers various commands such as adding machines, executing shell commands, and managing SSH keys, with installation instructions available for both Unix and Windows systems. It is licensed under the MIT License and encourages user feedback for feature requests.
Crafting Formulas: Lambdas All the Way Down
The article outlines enhancements made to the Bruijn programming language for handling arbitrary-precision arithmetic through lambda calculus, including the implementation of integers, rationals, reals, and complex numbers, while addressing performance issues related to abstraction and optimization. It highlights the ease of encoding rational numbers as pairs and the strategies employed for real number approximations using sequences converging to desired values. Ultimately, the author reflects on the complexities of performance optimization within lambda calculus and the satisfaction derived from utilizing this elegant programming model.
Launch HN: Airhart Aeronautics (YC S22) – A modern personal airplane
Nikita, founder of Airhart Aeronautics, aims to revolutionize flying by creating an airplane designed for those who do not currently fly, making the experience as simple and safe as driving a car. The company is developing a fly-by-wire control system that simplifies aircraft maneuvers significantly, enhancing safety and accessibility while addressing outdated technology in small aviation. By leveraging automotive-grade components and redesigning the flying experience, Airhart seeks to encourage more people to consider aviation as a viable transportation option.
We’re ending production of Chromecast
Chromecast is concluding its production after 11 years and over 100 million units sold, having revolutionized TV streaming by enabling users to cast content onto their TVs easily and affordably. With advancements in technology and the rise of smart TVs, Google is launching the Google TV Streamer to cater to modern entertainment and smart home needs. The legacy of Chromecast is celebrated by reflecting on its significant milestones, from its initial launch to the introduction of various upgraded models.
Stereographer
The article discusses the creation and functionality of \'Stereographer,\' an application designed to convert MPO files into composite stereo images for viewing in traditional stereoscopes. The author shares their journey and experiments in stereo photography, including the challenges and solutions encountered, such as using AI for development and dealing with image processing issues. The piece also covers the technical aspects of creating stereoscopic images, including panning, separation, and straightening controls, and the process of printing and mounting the final images.
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