Imagine a robot that could help you tidy your home: roving about, sorting stray socks into the laundry and dirty dishes into the dishwasher. While such a practical helper may still be the stuff of science fiction, Caltech scientists have developed an autonomous molecular machine that can perform similar tasks—at the nanoscale. This “robot,” made of a single strand of DNA, can autonomously “walk” around a surface, pick up certain molecules and drop them off in designated locations.

Via:: https://phys.org/news/2017-09-dna-nanorobot-molecules-predefined-regions.html

A DNA nanorobot is programmed to pick up and sort molecules into predefined regions

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