Laura Landweber at Princeton University has made computers out of RNA, a molecule related to DNA. Lloyd Smith at the University of Wisconsin, Madison has made DNA computers on what look like microscope slides covered with gold.

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Now McKee went to the room next to her office, sat down behind a microscope, and inserted one of the immunostained slides under the lens.

NEWYORKER: Offensive Play

Remember seventh grade biology when you picked a lab partner, did some unnamed experiments and then huddled around the single microscope in the lab where you had a 1.9 second glance at what was beneath the slides?

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