Answer:

superconductors

AnswerCrossword Clue
SUPERCONDUCTORS"Iggy, these biographies of Stokowski and Toscanini don't really apply to our project on ..."
SUPERCONDUCTORSThey're used in cutting-edge electronics
SUPERCONDUCTORSAtom smasher parts
SUPERCONDUCTORSExperimental electrical materials