DNA can be used for computation
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Filling a test tube with molecules made from folded DNA can work as a simple computer. The approach has been used to split two numbers into prime factors.
Conventional computers work by passing electricity through tiny on-off switches to perform simple calculations. However, the new computer relies on the way that differently shaped DNA molecules combine.
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Yinan Zhang at Shanghai Jiao Tong University in China and his colleagues used a process called DNA origami, where chemicals contort, intertwine and stick together long strands of …