21st century punch card!

When I first started working at the Weyburn Review, the data for billing and payroll were recorded on punch cards that were sent to Regina for processing.

Twenty years later, and IBM is touting the 21st century equivalent of a punch card: a mechanical chip that stores data in the form of nanoscale holes in a plastic film, read by an array of tens of thousands of silicon cantilevers. The appropriately named “Millipede” could theoretically store 125 gigabytes of data in a square chip just 2.4 centimetres on a side.

Back to the future!

Permanent link to this article: https://edwardwillett.com/2005/03/21st-century-punch-card/

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