libvirt is a Linux daemon used for virtualization that can start and manage virtual machines. Surprisingly, these VMs have a limitation of only supporting up to 14 hotpluggable PCIe slots. This number seems arbitrary, but it dates back to the 1970s when Intel developed the Intel 8008 CPU, which had 8 I/O ports. This design […]
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In “What Every Programmer Should Know About Memory,” the author explains how memory works in modern computers and its impact on performance. Despite being written in 2007, the paper has aged well due to the limitations of physics, such as the size of transistors and the speed of light. Caches are used to overcome these […]
Barco is a project that explores Linux containers and the Linux kernel. Linux containers utilize various Linux kernel features such as namespaces, seccomp, capabilities, and cgroups to isolate processes and control resource usage. The project provides a command to run a container with root access and verbose output. Barco requires certain tools and libraries for […]
Canaria is an optimized and ergonomic keyboard layout designed for English and Spanish speakers in the United States, Northern Mexico, and Latin America. It is based on the community-optimized layout called Canary, with one small change to improve its usability for bilingual users. The main change in Canaria is the positioning of the letter J, […]
Elemental design encompasses the intrinsic qualities that make a design functional. Acoustic instruments, known for their rich tonalities and emotive significance, have been crafted with care for centuries. The piano, with its mysterious nature, has remained a staple in music since the 1700s. Inspired by the piano’s enigma, Ravenchord reimagines the instrument while honoring its […]
Meta, the parent company of Facebook and Instagram, has begun actively blocking news links and sharing on its platforms in Canada, following the enactment of Bill C-18, the Online News Act. This move confirms what supporters of the bill had previously dismissed as a bluff by Meta. The blocking process is expected to take several […]
Livebook is an exciting project created by Elixir to provide documentation, interactive exploration, and expose app logic in a new way. It is similar to Jupyter notebooks and was initially developed for machine learning, but it can be used on regular Phoenix web projects as well. Livebook allows developers to experiment, learn, and document the […]
The author sarcastically reveals that the exponential dependence of resistivity on temperature in germanium is not true. They criticize the equipment and the available texts on the subject. The author goes on to describe their experimental procedure which includes difficulties with soldering wires onto the germanium crystal and using faulty equipment. They present their results, […]
In the early 2010s, there was optimism that China’s economy would continue to grow at a rapid pace, surpassing the United States and embracing political liberalization. However, these forecasts have proven to be naive. Even before the COVID-19 pandemic, China’s economy had slowed down and faced a domestic debt crisis. The anticipated economic rebound after […]
In the midst of a scorching heat wave in Corpus Christi, Texas, power prices are skyrocketing to unprecedented levels. The Electric Reliability Council of Texas (Ercot) revealed that electricity prices reached an astonishing $2,500 per megawatt-hour for Sunday evening, a colossal leap from Saturday’s high of approximately $275. This surge in demand, combined with strained […]