Self-assembling DNA computer can sort simple images into categories

DNA tiles

DNA tiles that assemble themselves into a series of letters might represent a new form of computing

Olivier Wyart/HEADQUARTER, 2023.

It is possible to classify images simply by analysing the way that trillions of DNA molecules in a test tube connect together into different shapes.

Conventional computers must be fully assembled before they can run any computations. Inspired by biological systems – which must operate while they are still building themselves – Constantine Evans at Maynooth University in Ireland and his colleagues wanted to see whether a computer that starts as many disconnected components can…

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