In Episode 4 Lucy discovers how students flew RF tags (as used in passes and security labels) into space to test a new way for satellites to communicate. She talks to mechanical engineer Julie Cox about how she launched her experiment, Mission Manager Scott Higginbotham about why NASA likes to work with student innovators and Professor Hiroaki Akiyama about other everyday tech being used in space research.

Plus, what happens when Lucy gets given a load of RFID tags to play with?

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