Cybersecurity

That 30-Second Code: How Authenticator Apps Actually Work (2026)

The six digits in your authenticator app come from two short public standards. We walk the algorithm step by step and untangle what NIST really said about SMS.

21 Jul 2026 · 12 min read

Cybersecurity

Passkeys Explained: What Actually Replaces Your Passwords (2026)

What a passkey is per the WebAuthn spec, NIST's synced vs device-bound line, recovery on Apple, Google and Windows, and why portability is still a draft.

21 Jul 2026 · 12 min read

AI & ML

How to Run Aider With a Local Ollama Model in Docker (2026)

We ran aider v0.86.2 in Docker against a 986 MB local Qwen model. Same prompt twice: one hallucinated diff, one clean auto-commit. Context decided it.

21 Jul 2026 · 16 min read

Health & Wellness

Macros Explained: Where the Protein, Carb and Fat Targets Actually Come From (2026)

Macro targets traced to source: the government AMDR bands and 0.8 g/kg RDA versus 40/30/30 and the 1 g/lb gym rule, and why two calculators disagree.

21 Jul 2026 · 12 min read

Health & Wellness

How Much Water Do You Actually Need? The '8 Glasses' Rule vs the Evidence (2026)

No study ever backed '8 glasses a day.' What NASEM, EFSA and Singapore's HPB actually publish, why coffee counts, and how to read your own thirst.

21 Jul 2026 · 11 min read

AI & ML

Self-Host LiteLLM with Docker: One OpenAI-Compatible Endpoint for Every Model (2026)

We ran LiteLLM v1.93.0 against a local Ollama model in Docker: pinned tags, a 4-line config, token metering, and the wrong answer that proves a point.

21 Jul 2026 · 13 min read

Health & Wellness

Sleep Cycles and the 90-Minute Rule: What the Science Actually Says (2026)

Two NIH institutes give two different sleep-cycle lengths, and neither is a fixed 90 minutes. What the primary sources really say about cycles and duration.

21 Jul 2026 · 9 min read

AI & ML

Qdrant vs Weaviate vs Milvus vs Pinecone: Vector Databases for RAG (2026)

Four vector databases compared for RAG in 2026: licenses, Docker self-host commands, embedded modes, managed pricing from $20/mo, and Singapore regions.

21 Jul 2026 · 10 min read

Health & Wellness

Heart-Rate Zones: What '220 Minus Age' Gets Wrong (2026)

The wall-poster formula for max heart rate has a thin research pedigree. We trace every number to its source and show what Tanaka, Gulati and the WHO say.

21 Jul 2026 · 9 min read

Health & Wellness

BMI, BMR and TDEE: What the Numbers Mean — and Why Asia Uses Different Cut-offs (2026)

What BMI, BMR and TDEE actually measure, the equations behind them, and why Singapore and Malaysia flag risk from BMI 23 rather than 25.

21 Jul 2026 · 10 min read