DLR employee successfully flies a replica of Otto Lilienthal's aircraft
Otto Lilienthal is considered to have been the very first aviator, but until now there had been no final proof that his designs were actually airworthy. Now, for the first time, there is video footage of flights performed by a historically accurate replica of the world's first biplane glider, which was designed by Otto Lilienthal. Markus Raffel, who works at the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) in…