Contact: Lee Siegel
University of Utah
Caption: These are microscopic images of two "logic gates" made of microscopic mechanical parts and thus designed to resist ionizing radiation that fries conventional silicon electronics. The top gate performs the logic function named "exclusive or" and the gate in the bottom image performs the function "and." These devices, designed at the University of Utah, are so small that four of them would fit in the cross section of a single human hair.
Credit: Massood Tabib-Azar, University of Utah
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Related news release: Radiation-resistant circuits from mechanical parts