India, Nov. 28 -- Inside a cavern cut into a Norwegian fjord, the air is so cold and so still that it feels suspended. The place once stored mining gear. Now it stores something far more volatile. Rows of processors glow in the dark, running day and night. They burn so hot that without the Arctic wind pressing against the rock, they would buckle under their own heat.

This is where the future of intelligence is being built. Not in Silicon Valley. Not in Singapore. In the quiet cold of the north, where the thermometer decides what machines can and cannot do.

For a while now, the world's biggest technology companies have been shifting their most demanding AI workloads toward the Arctic Circle. They are not doing it for romance or spectacle...