Posts

Technical and design writing — cryptography, AI agents, design systems, and the reasoning behind them.

Series

LingoBun6 AI + Design5 Authentication4 Cryptography3

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Autoencoders from the Inside Out: What I Learned Building One on MNIST

A walkthrough of how autoencoders compress and reconstruct data through an encoder, bottleneck, and ...

Published: 25/09/2026

ai machine-learning deep-learning

Receptive Fields in CNNs: Why Depth Beats Big Kernels

How the receptive field of a CNN neuron grows as you stack convolutional layers, why that's the real...

Published: 10/09/2026

ai machine-learning deep-learning

CNN Fundamentals: Kernels, Convolution, and Feature Maps

A from-scratch walkthrough of how convolutional layers actually compute their output — kernels vs. f...

Published: 08/09/2026

ai machine-learning deep-learning

Designing the System, Not the Screen: A Shift from Assets to Infrastructure

AI has made producing design assets trivial. What it hasn't touched is the harder, more valuable hal...

Published: 03/09/2026

design ai uiux process

First Impressions: How Claude, ChatGPT, and Google AI Mode Handle the Guidelines for Human-AI Interaction

A close read of Claude, ChatGPT, and Google AI Mode's onboarding against Microsoft's evidence-based ...

Published: 31/08/2026

design ai uiux

Understanding the ROC Curve

The ROC curve's name is a WWII radar relic, and its \"random guessing\" diagonal is trickier than it...

Published: 28/08/2026

ai machine-learning

AI+Sec

Deterministic Attack-to-Alert Mapping with Correlation IDs

Timestamp-proximity matching between attack ground truth and Wazuh alerts wasn't reliable enough for...

Published: 25/08/2026

security dev evals

AI+Sec

Understanding the Log Types in a Wazuh + Claude Security Pipeline

A field guide to the five log types flowing through my IFN737 research pipeline — from raw attack ex...

Published: 23/08/2026

security ai dev evals

Revamping My Personal Website With Claude Design + Claude Code

I used Claude Design to generate a new design system for this site and Claude Code to implement it w...

Published: 01/07/2026

design ai casestudy process

Regularisation in Neural Networks

Working through Karpathy's makemore series made me realise I'd never truly understood regularisation...

Published: 30/06/2026

ai machine-learning

AI's Productivity Gains Aren't Evenly Shared. I'm a Designer, and Here's My Experience

There's a pattern showing up across industries that nobody talks about enough: the people who gain t...

Published: 09/05/2026

ai design casestudy

From Requirements to Assumptions: A Better Way to Build Products

Imagine this: as a UI/UX designer, you spend a month gathering stakeholder input, mapping the proble...

Published: 23/04/2026

design strategy

LingoBun

Designing for Visibility: Adaptive Input Fields in LingoBun

Exploring the impact of adaptive input fields on user experience in LingoBun, emphasizing the import...

Published: 08/03/2026

design uiux casestudy

LingoBun

LingoBun: Hardening an AI Language-Learning Product for Production

An LLM-powered vocabulary app taken past the demo stage: Redis-backed rate limiting and cost caps on...

Published: 15/02/2026

design casestudy uiux ai llm

LingoBun

LingoBun Logo: A Case Study on Logo Design in the Era of AI

LingoBun is deliberately calm, focused, and serious about learning. Without a logo that reflected th...

Published: 31/01/2026

design casestudy ai process

LingoBun

Multimodal Context for Higher Retention: A Case Study

This article explores the implementation of media upload and notes features in LingoBun, driven by u...

Published: 26/01/2026

casestudy dev

LingoBun

Non-blocking AI Validation User Flow: A Case Study

Exploring the transition from a blocking to a non-blocking validation flow in LingoBun's AI-powered ...

Published: 23/01/2026

ai casestudy design

Prototyping Made Easy: How Emerging Tooling Has Transformed the UI Design Workflow

When I began my career as a designer nearly 15 years ago, prototyping was hard: not because good ide...

Published: 20/01/2026

design uiux ai

LingoBun

LingoBun: Learning Language, Seriously

Language learning has never lacked tools. Over the years, I've tried various apps that promise faste...

Published: 11/01/2026

web dev

Vibe Coding as a Supercharged Learning Experience

Vibe coding is often described as a way for non-software-engineers to build digital products by lean...

Published: 06/01/2026

ai dev process

AuStride

AuStride: Striding Towards an Active Future

Walking or riding rather than driving offers the two-fold benefit of increasing mental and physical ...

Published: 17/11/2025

design casestudy uiux

Understanding R-Squared as a Measure of Model Fit

R-squared is a metric that measures how much of the variance in the actual data is captured by a mod...

Published: 20/08/2025

ai machine-learning

Github Actions & EC2 Deployment: Troubleshooting Guide

When working on Assignment 1 of the Software Life Cycle Management unit, we ran into several technic...

Published: 17/08/2025

dev git

Common Asymmetric Algorithms (Part 2): ECC

Elliptic Curve Cryptography (ECC) is an asymmetric cryptographic algorithm that is gaining popularit...

Published: 14/07/2025

security

Common Asymmetric Algorithms (Part 1): RSA

Rivest–Shamir–Adleman (RSA) is one of the most well-known algorithms for asymmetric cryptography. It...

Published: 11/07/2025

security

Symmetric vs. Asymmetric Cryptography

Cryptography is the foundation of digital security—from protecting your messages and passwords to se...

Published: 10/07/2025

security

Designing Password UIs That Enhance Security and Usability

Many sign-up forms still use a password UI pattern that may seem secure at first glance, but is prob...

Published: 08/07/2025

design uiux security

Passkeys: Demystified

Passkeys are gaining popularity, but what exactly is a passkey? How is it different from a password?...

Published: 22/06/2025

security

Representing Negative Binary Numbers

A common challenge when handling binaries is how to represent signed numbers in a way that is both m...

Published: 17/06/2025

Number Systems 2: Bases and Conversions in Modern Systems

Modern position-dependent number systems are built on the concept of bases. A base defines how many ...

Published: 03/06/2025

dev

Number Systems 1: Position-Independent vs Position-Dependent

The same number can be represented in different ways using different number systems.

Published: 31/05/2025

dev

Understanding JWTs: Part 2

A common feature in web development is closing a popup or menu when the user clicks outside of it.

Published: 16/03/2025

web dev

Understanding JWTs: Part 1

JWTs offer several advantages over traditional authentication methods like cookies, making them a po...

Published: 12/03/2025

web dev

How to Reorder and Squash Commits with Git

When working with multiple WIP commits or other related commits, you may want to combine them to kee...

Published: 27/02/2025

dev git

Multifunctional AI Assistant (Part 3)

AI assistant that can help with a range of tasks.

Published: 24/10/2024

design uiux ai dev

Multifunctional AI Assistant (Part 2)

AI assistant that can help with a range of tasks.

Published: 08/10/2024

design uiux ai dev

Multifunctional AI Assistant (Part 1)

AI assistant that can help with a range of tasks.

Published: 25/09/2024

design uiux ai dev

AI-Powered English Speaking Tutor For Learners

Near-real-time English chat with instant feedback.

Published: 20/08/2024

design uiux ai dev

An AI-Powered App That Streamlines Your Speaking Test Prep Workflow

Traditional English speaking test prep methods felt inefficient, and the process of recording my ans...

Published: 27/07/2024

design uiux ai dev

How I Made My Python Data-Scraping Program 140 Times Faster

Last month, I developed a Python program to crawl a data-intensive website with numerous pages and t...

Published: 12/07/2024

dev

UX Insight: On Radio Buttons (Part 2)

Good design incorporates radio button's characteristics to enhance usability, while poor design ofte...

Published: 23/03/2024

design uiux

UX Insight: On Radio Buttons (Part 1)

Radio buttons are a fundamental component in UI/UX design, yet it seems that they are often misused,...

Published: 22/03/2024

design uiux