“Tactical to Practical” – when technologies perhaps originally developed for military use make their way into common civilian life. Tonight we have the first in a series of two such inventions, each by a brilliant woman who was a trailblazer in her field, as well as an inductee into the Inventors Hall of Fame (www.invent.org).

To learn more, www.patents.google.com

Part 1: US No. 2,220,860 FILM STRUCTURE AND METHOD OF PREPARATION

https://www.invent.org/inductees/katharine-burr-blodgett

Part 2: US No. 2,292,387 SECRET COMMUNICATION SYSTEM

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