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The failure modes that show up repeatedly across system designs, how to recognise them before they ship, what a good design actually feels like to work in, and a few habits that compound over a career.

Energy was always the substrate of the post-1945 order. OPEC's coherence is weaker, new pipelines and corridors are routing flows along non-Western axes, and nuclear and grid technology are becoming direct levers of statecraft. The energy map is being redrawn faster than most Western capitals have updated their assumptions. Part III of a four-part series on how the post-1945 order is being rewritten in 2026.

A system survives or fails by how it handles change. Boundaries between components, contracts at the seams, the cost of evolving a live system, and the ownership map that determines who is allowed to change what.

The 2024-25 consensus assumed the cost curve would bend down as frontier scaling justified the capex. By mid-2026 the assumption is being tested on four fronts at once: frontier economics, open-source closing the gap, local inference becoming viable, and the quiet return of the human-developer conversation.

The dollar is not dying. Its monopoly on cross-border plumbing is. New payment rails, BRICS settlement experiments, and sovereign wealth redeployment are building a financial order that is no longer single-channel. Part II of a four-part series on how the post-1945 order is being rewritten in 2026.