HistoryIsComplex Posted September 9, 2020 Share Posted September 9, 2020 (edited) Intro: Since WW2, governments have been creating lists of "inventions to be classified". This is a 49 year old document from 1971 showing such a list. The website: http://www.freethetech.org/ The 1971 U.S. Army Document Detailing WHAT Technologies Get "Classified": https://fas.org/sgp/othergov/invention/pscrl.pdf SOLAR PANELS OVER 20% EFFICIENT WERE CLASSIFIED BACK THEN: Edited September 9, 2020 by HistoryIsComplex Quote Link to comment Share on other sites More sharing options...
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