Curiously Optimistic

Curiously Optimistic

Signals & Observations

The last inch of copper: why AI's next decade is a power problem, not a transistor problem

Two thousand amps at 0.85 volts is the actual engineering problem the industry is spending hundreds of billions to solve. Here's the plain-English map of who's building what.

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Bob Girton
Jul 31, 2026
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Curiously Optimistic: an issue on AI compute architecture and the power-efficiency race

By Bob Girton, August Grace Advisory

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