Essays

6 Docker Features for Advanced Usage

Six Docker capabilities that go beyond basic container operations: .dockerignore tricks, multi-stage builds, BuildKit mount types, health checks, log drivers, and secure credential storage.

Science

Scientists Discover an Unexpected New Antibiotic Source — the Human Nose

Researchers have identified a previously unknown antibiotic compound produced by bacteria living in the human nasal cavity. The discovery opens a new direction in the search for antimicrobial agents at a time when antibiotic resistance is becoming a critical global health threat.

Linux

My First Contribution to the Linux Kernel

The story of submitting a first patch to the Linux kernel — adding media key support for a 20-year-old Fujitsu Lifebook S2110, from debugging the driver to getting the patch merged into Linux 6.15 and backported to all LTS versions.

Science

Newton and Killer Spheres: The Physics of Spallation

When a projectile strikes armor without penetrating it, deadly steel discs can still eject from the interior and kill the crew inside. This is spallation — a phenomenon rooted in elastic wave mechanics that plagued WWII tank crews and still challenges modern spacecraft design.

Essays

Digital Sound on the PC Speaker

How IBM PCs from the late 1980s reproduced high-quality digital sound through their humble PC Speaker using Pulse-Width Modulation and the Intel 8253 timer chip, without requiring expensive sound cards.

Essays

How I Created an Account Named "NULL" and Started Receiving Other Users' Domain Purchase Notifications

A security researcher created an account with the username "NULL" on a domain registrar and began receiving hundreds of email notifications about domain purchases made by other users, due to a classic null-value handling bug.

Essays

How I Built My Own NAS Server, or Achieving Data Independence from Corporations

A practical guide to building a custom NAS server with ZFS, TrueNAS SCALE, and self-hosted alternatives to popular cloud services, all for about 42,000 rubles.

Essays

Packing a Project with Heavy Animation into a Single HTML File, or How Windows-1251 Encoding Saved 52MB

The author developed a custom Base223 binary-to-text encoding scheme using Windows-1251 character encoding to achieve 97.5% efficiency, packing 168MB of animation files into a single standalone HTML file — saving 52MB compared to the standard Base64 approach.

Essays

Distracting Software Developers Is Far More Harmful Than Most Managers Think

An analysis of why deep work and flow state are critical for software developers, how meeting culture and AI tools are making things worse, and practical strategies managers can adopt to protect focused development time.

Essays

Zip Bombs Against Aggressive AI Crawlers

Website owners are fighting back against relentless AI crawlers that ignore robots.txt and generate thousands of requests per minute, deploying zip bombs and proof-of-work challenges as defensive weapons.

Essays

A Digital Photographer's Pipeline on Linux

A photographer shares his complete workflow for managing, sorting, and processing photos entirely on Linux using free tools like XnView, EXIFtool, RawTherapee, and Krita — proving you can build a full digital photography lab without proprietary software.

Science

About Ultrasonic Knives: The Physics of Cutting

What happens when a knife blade vibrates tens of thousands of times per second? This article traces ultrasonic cutting from the Curie brothers' piezoelectric discovery through industrial applications in electronics, medicine, and food processing — all the way to consumer kitchen knives and DIY 3D-printing tools.