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Image Recognition – Why AI is Still Not the Perfect Assistant in This Task, and How image captcha solver Helped

Level of difficultyEasy
Reading time7 min
Views1.1K

Up to a certain point, I sincerely believed that in today’s world manual CAPTCHA recognition was gradually becoming an anachronism, especially when it came to such simple CAPTCHAs as image-based ones—where one merely needs to read text off a photograph and input it as plain text. But as it turns out, things aren’t quite so straightforward (no matter how it may sound).

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How to Use DeepSeek-R1 LLM in Obsidian: The Ultimate Guide

Level of difficultyEasy
Reading time3 min
Views8.5K

Do you want to use a local LLM inside Obsidian, similar to ChatGPT, completely free? If yes, then this guide is for you! I'll walk you through the exact steps to install and use DeepSeek-R1 Model in Obsidian, so you can have an AI-powered second brain right inside your notes.

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10 Books Every Developer Should Read in 2025 to Level Up

Level of difficultyEasy
Reading time4 min
Views4K

Are you ready to level up your skills as a developer in 2025? In this article, I show 10 books that will help you become a better programmer, enhance your coding practices, and improve your overall software engineering skills. Whether you’re a beginner or an experienced developer, these books cover essential topics like clean coding, debugging, system design, productivity, and more.

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Best Wireless Earbuds of 2024 — Early 2025 by sound quality: Sound Review, Tests and Comparison of Top TWS on the Market

Level of difficultyMedium
Reading time25 min
Views9.2K

Hello, friends

I decided to start this year with an article in the field of HIFI sound / audiophilia and this article is about sharing the results of my wireless earbud tests, which I’ve been conducting for several years since the emergence of TWS on the market. 
Sound testing is my hobby, which can be useful for others, because in everyone’s life are important bright pleasant emotions, relaxation and mental comfort, which is not always enough in the flow of turbulent events of life. And music is just the thing to bring it all in, if only for moments, or even hours, and choosing the right headphones is crucial to getting the right effect.

Testing sound is a hobby with benefits that extend beyond personal enjoyment, as its results can be valuable to others. After all, life is made brighter and more fulfilling by positive emotions, moments of relaxation, and peace of mind — things that often feel scarce in the whirlwind of modern life. Music is one of those rare things that can bring these experiences into our lives, even if just for a moment or hours at a time. Choosing the right headphones is essential to achieving that effect.

By the end of 2024, I completed testing the best wireless in-ear headphones (commonly referred to as “earbuds”) available on the market — or at least those I could find. “Best” here doesn’t necessarily mean the most expensive. It refers to the top performers in terms of sound quality. We’ve all encountered situations where lower-priced items turned out to be just as good, if not better, than their costly counterparts. That’s why my sound-quality ranking includes headphones from various price categories — from ultra-premium TWS models to more budget-friendly options.

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Grok AI 2: How to Get Started with This AI Tool

Level of difficultyEasy
Reading time3 min
Views3.3K

Grok AI is a new and exciting artificial intelligence created by xAI, a company founded by Elon Musk in 2023. It works closely with X (formerly Twitter), offering cutting-edge tools for chatting, image creation, and more. In this article, we’ll break down what Grok AI is, how to use it, and what it can do.

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Prospects for the development of modern GTP and an alternative way of their development

Level of difficultyMedium
Reading time14 min
Views291

We wrote this article in an attempt to figure out what technical level gas turbine installations are currently at, as well as to understand what the prospects for their development are. At the same time, in our manuscript, we tried to consider an alternative energy conversion scheme that will increase energy efficiency, which will allow for more efficient use of natural resources. We are not completely sure that the alternative scheme presented by us will be workable, since many factors that may affect its operation have not yet been investigated. But as the Chinese philosopher said, "you can't travel a thousand li without taking the first step." We ask the Habr community to read our article, we hope for a constructive conversation.

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Mechanical Quantum Computer

Reading time14 min
Views734

Quantum computers have gradually migrated from “natural” quantum objects like ions and quantum dots to “artificial” objects like transmons, where natural frequencies of LC circuit mimic energy levels. Coaxial cables attached to such circuits excite the system, read their state, and adjust their properties. They are still quantum objects and operate at low temperatures.


I wondered if a similar system can be built with large “classical” mechanical objects. Here I demonstrate 2 -qubit quantum computer built of coupled pendulums.


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