At a laboratory inside a Google data center in Mayes County, Oklahoma, researchers spent the fall of 2019 disassembling old hard disk drives by hand in order to extract a 2-inch-long component known as the magnet assembly. Consisting of two powerful rare earth magnets, the magnet assembly is a critical muscle within the hard drive, controlling an actuator arm that allows the device to read and write data.
Over the course of six weeks, the scientists harvested 6,100 of these…
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