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Business and innovation

Business and innovation

So you think hard disks are boring? It’s time to get real

28 Aug 2023 James McKenzie

James McKenzie explains why magnetism is so important for physics-based businesses

Interior of big modern server room
Super science The vast numbers of hard disks in data-storage centres that underpin “cloud computing” rely entirely on the physics of magnets. (Courtesy: iStock/IR_Stone)
In 2022 I stood for election to the magnetism group of the Institute of Physics (IOP) as I always th

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James McKenzie is the writer of the Transactions column for Physics World about physics in industry. He is writing here in a personal capacity
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