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Computer made of spinning magnets can recognize handwritten digits

A prototype computer built with a magnetic material called a skyrmion has been programmed to recognize handwritten digits. The approach could be particularly energy efficient

Technology


September 30, 2022

Recognizing handwritten digits is a standard computer test

fake images

A new kind of computer can use the behavior of magnetic particles to recognize handwritten digits. If it gets smaller and faster, it should be able to process information in an energy efficient way.

Magnetic materials can be thought of as lattices of small bar magnets, with each bar magnet representing a particle. One type, called a skyrmion, is like spinning bar magnets. Researchers have long thought that skyrmions could be used to build energy-saving electronic devices because they don’t need…

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