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FOR THE CURIOUS

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Introduced in 1956, IBM’s 350 Disk Storage Unit held five million characters across 50 spinning magnetic disks, each about 61 centimetres wide. Its real breakthrough was how it retrieved…

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TODAY I LEARNED

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RandomAha is a collection of things you might not know yet—from early computers to the words we use every day. Each discovery starts with a simple fact and adds a little context.

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