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A glass capillary frozen into a fiber lets photonic systems trade energy waste for tighter light-sound linkage.

Signed Tuesday, the agreement lets Microsoft use Mistral's computing infrastructure in Europe, reshaping AI supply-chain expectations.

If physical oscillators can slash energy per image, AI cost curves and carbon debates could flip fast.

A $30 billion implied arrangement reshapes who supplies AI muscle, and how tech boards think about capacity and concentration.