Ajit Pai @AjitPai
OTD in 1953, researcher David Warren—who was on a team assessing problems with the de Havilland Comet aircraft—“realized hearing the cockpit noise could help determine the cause of crashes,” and set out to build what would become the first “black box.” https://t.co/qFNPXvbdB4 https://t.co/fB4j9EwASc — PolitiTweet.org