https://sudonull.com/squeezed-light-for-gravitational-wave-detection
Learn how squeezed light reduces quantum noise in LIGO interferometers, increasing sensitivity to black hole mergers. Technical details of PDC and OPO for developers.
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In this project
https://sudonull.com/how-scammers-steal-cryptocurrency-through-zoom-and-google
Analysis of a complex social engineering scam. How to protect accounts and two-factor authentication. For developers and IT specialists.
https://sudonull.com/how-to-shorten-a-developer-s-workday-to-4-hours
Set up AI agents and a personal Kanban board for deep work. Practical guide to focus and productivity for senior developers.
https://sudonull.com/kaggle-lessons-how-to-reach-the-top-12-with-158-attempts-ml
How to Overcome Defeat in a Kaggle Competition and Enter the Top 12%? I Share Three Lessons on Working with Multiple Models, Blending, and Hyperparameters. Learn How Extensive Experience Shapes an Expert.
https://sudonull.com/color-photo-printing-on-zx-spectrum-how-it-works
How a photographer-programmer used ZX-Spectrum for additive color photo printing. Technical details of the system, software implementation, and limitations. Learn how a DIY solution replaced professional equipment.
From other projects
https://ymaho.com/how-alcohol-and-sports-affect-life-expectancy
Scientists at HSE University calculated: giving up a liter of alcohol gives +1.8 months of life to women, and doubling sports gives a year to men. Find out how habits prolong life and why the effect differs.
https://ymaho.com/how-to-improve-concentration-and-memory-5-steps
Learn 5 scientifically proven steps to improve memory and concentration. From the Dual N-Back method to diet: regain control of your attention today.
https://ymaho.com/how-to-prepare-for-an-interview-questions-and-answers
Step-by-step guide to preparing for an interview with sample answers. Learn how to impress a recruiter and get an offer. Checklist inside!
https://ymaho.com/how-to-learn-english-words-quickly-and-easily-methods
Master the scientific approach to memorizing English words: spaced repetition, context, and associations. Save up to 80% of effort and start speaking more fluently.
https://ymaho.com/how-to-learn-to-play-guitar-from-scratch-at-home-5-steps
Step-by-step plan for learning guitar from scratch at home: choosing an instrument, chords, strumming, and first song. Start playing in just a week!
https://ymaho.com/how-to-take-lecture-notes-correctly-5-steps
Learn to take lecture notes so you remember 50% more. 5 steps: Cornell method, mind maps, and active recall. Start learning more effectively!
https://ymaho.com/how-to-find-out-tax-debt-4-ways
Check your tax debts in 5 minutes through the Federal Tax Service, Gosuslugi or the app. Find out about penalties, fines and risks of account blocking. Check yourself right now!
https://ymaho.com/how-to-transfer-money-abroad-in-2025-5-ways
Comparison of 5 actually working ways to transfer money abroad from Russia in 2025. Fees, risks and limits. Save your money now!
https://lrivo.com/how-troy-deeney-s-rant-stopped-josh-mcpake-transfer
Josh McPake reveals his move to Hearts happened after a deal with Forest Green collapsed due to Troy Deeney's rant and sacking. Read the full story here.
https://lrivo.com/how-shrewsbury-avoided-relegation-under-cowan
Shrewsbury secure League Two survival with 3 games left. See how Gavin Cowan's clear approach turned their season around.
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