Neural networks can be implemented by using purified DNA molecules that interact in a test tube. Convolutional neural networks to classify high-dimensional data have now been realized in vitro, in one of the most complex demonstrations of molecular programming so far.
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Poole, W. In vitro convolutional neural networks. Nat Mach Intell 4, 614–615 (2022). https://doi.org/10.1038/s42256-022-00508-1
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DOI: https://doi.org/10.1038/s42256-022-00508-1