Explained
Data-Centre REITs Explained: AI Landlords in the Stack
Data-centre REITs are landlords in the AI stack. They earn when timed power and long leases meet dense GPU demand — not from empty shells.
Explained
Explained
Mechanism explainers for the AI stack — what a part is, why it binds, who gets paid. Free teaching desk on Second Order.
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Explained
Optics in the AI Cluster Explained: Why Networking Binds GPU Scale
Optical networking is the bandwidth layer of an AI cluster. When fibre, modules, and switches lag GPU counts, finished chips sit underused.
Explained
What Is a Hyperscaler? Who Sets AI Capex for the Stack
A hyperscaler is a very large cloud and internet operator whose capital spending sets demand for the AI stack. How CapEx flows, and where money sticks.
Explained
What Is HBM? High Bandwidth Memory for AI GPUs
HBM is high-bandwidth memory — tall stacks of DRAM beside an AI GPU. How it works, how generations differ, and where money sticks when it binds.
Explained
Liquid Cooling Explained: Why the AI Rack Is a Plumbing Problem
AI rack density is pushing data centres past air cooling. Cold plates, immersion, the CDU gate, and why cooling can cap live GPUs.
Explained
The Layers of the AI Trade Explained
How AI infrastructure layers turn chip demand into second-order opportunities across power, cooling, networks and capital for global investors.