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Friday, 10 July 2026 · LondonENع
Rayan Azhari.Sustainability · Energy · Carbon · Built EnvironmentOccasional detours into philosophy, religion or programming, wherever curiosity leads
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Suspicion Over Celebration: Inside "Building a Production Quant Trading System"

An introduction to my book, "Building a Production Quant Trading System", a practitioner's guide to the unglamorous 90% of systematic trading: why I wrote it, what to expect, and what not to expect.

By Rayan Azhari · Essays
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Essays

Article 02: Why EPCs Do Not Tell You How Much Energy a Building Uses

A series mining the PhD thesis on London and UK office buildings (Azhari, 2025). Key takeaway. A statistical analysis of 2,654 Greater London offices finds no significant relationship between EPC band and measured energy use, which is uncomfortable for MEES, ESOS and due diligence.

· 11 min

Migrating from WordPress to Next.js: A Field Guide

A practical, end-to-end guide to moving a content site from WordPress to Next.js without losing your search rankings: the URL-preservation rule that governs everything, a content pipeline that survives the move, bilingual and RTL handling, the SEO and security work, and a cutover you can roll back.

· 20 min

The Knowledge Escalator

How an ordinary teenager came to out-know Ptolemy, and why the same structural progress makes every one of us more ignorant than anyone who has ever lived. Hand a modern fifteen-year-old a blank sheet of paper and ask them to map the architecture of the cosmos, and they will sketch, without a moment’s hesitation, a

· 14 min

The Qasyoun Journey Project and the Pattern It Sets

On 21 April 2026 the Damascus Governorate and the Ministry of Tourism launched "Qasyoun Journey", a tourism and heritage megaproject on Mount Qasyoun, prepared by "a team of specialised designers" with no open tender, no published brief, no costing and no impact studies. It is the second time the new Syrian authorities have commissioned a symbolic national asset behind closed doors and framed it as a national gift. This piece tests the official claims, asks whether the public or the investors are being misled, and sets out what a serious course correction would look like.

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