This great capsule history of superconductor-based computing was just published in IEEE Spectrum by CHM's Director for Software History David Brock. http://spectrum.ieee.org/computing/hardware/will-the-nsa-finally-build-its-s... Enjoy! Dag -- Dag Spicer Senior Curator Computer History Museum Editorial Board, IEEE Annals of the History of Computing 1401 North Shoreline Boulevard Mountain View, CA 94043-1311 Tel: +1 650 810 1035 Fax: +1 650 810 1055