IBM has built the world’s largest fridge for quantum computers

A fridge for quantum computers built by IBM is a hundred thousand times colder than outer space and could eventually house quantum computers with 4000 qubits

Physics 8 September 2022

Fridge for quantum computers

Metal plates inside the fridge help draw heat away from the centre

Karmela Padavic-Callaghan

In the Hudson Valley, an hour’s train trip away from New York City, I am struggling to move a big, curved piece of metal. It’s at the front of a large cylindrical machine at least twice my size. IBM physicist Pat Gumann lends a helping hand and, together, we get it done. Closing the door of the world’s largest quantum computer fridge is no joke.

Quantum computing relies on keeping things cold. The quantum properties …

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