A tiny robot with moves inspired by caterpillars and jellyfish is small enough to crawl, walk and swim inside the human body.
 

$1.60
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3 of 3 reviewers say it's worth paying for

0 of 3 reviewers say it's not worth paying for
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  earned 40.0¢
50.0¢
   8mo ago
50.0¢
  spent 10.0¢
This will probably lead to the way surgery is performed in the future.
I can just see it now: Tiny robots performing all the work in a non-invasive way.
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   8mo ago
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