Quiz 21

1

Question 1 of 4

It’s not quite injecting miniaturized humans into the bloodstream—à la 1966 science fiction film Fantastic Voyage—but researchers are developing micro-robots that can travel inside the human body. There are now cameras that you swallow in a pill to travel through your intestines and tiny devices that deliver drugs into just the right spot. Some researchers are working on a tiny robot that moves inside the eye. How does this prototype navigate?

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Making Stuff Smaller: WGBH Educational Foundation

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