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Her commission — an 11-by-26½-foot tapestry invoking the ethereal topography of Mars — was being woven on one of the largest Jacquard looms in the world.

The innovative journey, as he shows us, goes back to Jacquard looms and the step-by-step advances of a number of early tinkerers.

That could solve the problem, because punched cards had been used to control machines since the early 1800s - the Jacquard loom wove patterned fabric based on them.

Ms. Tajima takes audio recordings from factory floors, assigns colors to the sound data and then has the work woven on a Jacquard loom.

Inspired by the latest Jacquard looms, Lovelace suggested programming it with punch cards, thus vastly increasing its versatility.