OpenBSD is a highly secure operating system with a small but influential user base. Unlike Linux, which can be difficult for non-experts to understand, OpenBSD’s security features are more accessible. One of its notable features is the pledge() function, which simplifies security by allowing users to control program behavior. While previous attempts to implement pledge() […]
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In a review published in Nature, researchers explore the concept of hierarchical organization in the brain’s visual system. They cite several studies that have investigated the hierarchical structure of visual processing, including research on deep learning models and neural networks. The authors also discuss the role of predictive coding in the brain and its potential […]
In this web content, the author discusses the concept of charter houses as a unique and potentially beneficial living arrangement. They highlight the availability of large houses on the market for a reasonable price, which can be purchased and used as a charter house to accommodate multiple residents. With a sufficient endowment, the author suggests […]
FCC Chairwoman Jessica Rosenworcel has announced plans to encourage innovation and experimentation in the amateur radio bands by removing outdated restrictions and allowing licensees to use modern digital emissions. The commission will be taking action in November to eliminate the baud rate limitation and establish a bandwidth limitation below 29.7 MHz. The proposed order would […]
Recently, the author bought a pair of Tozo T6 earbuds and realized that the sound it played during pairing, unpairing, or connection was too loud for their preference. After contacting the manufacturer, they were informed that there was nothing that could be done to fix the issue. Unsatisfied with this response, the author decided to […]
In this web content, the author discusses their attempt to digitize their library card by putting the barcode on their iPhone’s Wallet app. They explain the process of creating a digital library card pass using Apple’s Passbook feature and highlight the challenges they faced along the way. The author mentions that most library cards use […]
When embarking on the journey of rewriting existing software, you must be prepared to embrace the waterfall process. This entails moving through the various phases of the process one by one. First and foremost, it is crucial to meticulously determine and document all the requirements in painstaking detail. Once this is completed, the focus should […]
The author discusses their solution for adding a screen to their KIM-1 single-board computer. They describe a sidecar screen that is portable, powered by the computer’s built-in power supply, and can be driven by the computer’s unallocated I/O lines. The screen they chose is a 20×4 character backlit LCD panel that can be controlled via […]
In 2021, Nvidia released the Nvidia CMP 170HX, a compute-only card designed for Ethereum mining. It is essentially a variant of the Nvidia A100, Nvidia’s top-performing datacenter GPU. While the CMP 170HX was originally used for mining, it is now being sold on second-hand markets in China. The GPU has a peak memory bandwidth of […]
OpenSign is an open-source e-signing solution created by OpenSignLabs. It aims to provide a secure, reliable, and free alternative to commercial platforms like DocuSign and Adobe Sign. The software offers a range of features, including secure document signing using advanced cryptographic algorithms, a user-friendly interface suitable for both technical and non-technical users, multi-platform support, and […]