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The partial meltdown of one of Three Mile Island’s nuclear reactors 40 years ago left areas of the Pennsylvania facility highly radioactive. Along came a group of young researchers who had an idea to send robots in to help fix the damage. Amy Sisk () from member station WESA reports that their work helped expand the then-fledgling field of robotics.

This article was originally published on WBUR.org.

Copyright NPR 2019.

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