Defense Distributed: Open Source Firearms
- Transfer
I approve of this, of course. I approve of any development that makes it difficult for governments and for crime to have their monopoly on the use of force. As
open technologies · open source · firearms · 3D printing · 3D printer
The Chinese Academy of Sciences has created a lithium-metal battery with a density of 451 Wh/kg. Find out why 3-minute charging is unattainable outside the lab and who really benefits from this technology.
How to Set Up Postbacks Without Errors? Checklist for Negotiations with Partner, Request Structure, and Error Handling. Avoid Discrepancies in Reports.
Bug Found in Cisco Firmware, Causing Access Points to Lose Update Capability. Learn How to Check and Fix the Issue.
Practical guide to implementing multi-phase transactions with idempotent operations to ensure data integrity. Learn how to prevent losses during failures.
Learn how SearchValues and FrozenCollections speed up search in .NET 8 hot paths. Benchmarks: 13x on strings, 2x on dictionaries. Instructions for developers with code examples.
Analysis of using directives and declarations in C++: namespaces, blocks, classes. Why A::x and x are different variables. For middle/senior developers. Study name lookup pitfalls.
Scientists extended magnon lifetime to 18 μs, proving that limitations were due to material purity. This paves the way for quantum chips the size of a coin. Learn the details of the breakthrough.
Lightweight portable PDF editor without telemetry and subscriptions. Open source code, text editing, annotations, signatures. For Windows 10/11.
Create a room traffic light on ESP8266 or CH32V003. Full GPIO code, timings, connection. Educational project for middle developers. Repeat in 30 min.
TIOBE Rating Analysis for April 2026: Python falls, C at 2nd, Rust at 16th. Data on top-20, dynamics of R, Perl, legacy languages. For developers — read the details.