3D printing brings 1940s Curta calculator back to life

3D printing brings 1940s Curta calculator back to life

Maker Marcus Wu has built a 3D printed Curta calculator, a mechanical calculator that can make calculations with the turn of a handle. The device was originally developed by concentration camp survivor Curt Herzstark in the 1940s. Most of us grew up with electronic calculators in school. But those bulky, solar-powered devices that could be flipped upside down to spell out rude words are being replaced by even more advanced models that will help the next generation of mathematicians tackle difficult problems. Back in the early 20th century, however, you couldn’t simply go to the store and buy a […]

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