Millipede memory matches flash for durability


A MILLIPEDE that can still remember where it was punched a decade later offers the prospect of increased digital storage. In 2002, IBM developed a punch-card system, known as Millipede, using a thin polymer sheet with nanoscopic holes to provide a simple way to store binary data. It can store hundreds of gigabytes of data per square centimetre. However, the polymer reverts to its pre-punched form over time,
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