The first explorers to descend to the deepest part of the ocean were Don Walsh and Jacques Piccard in the bathyscaphe Trieste, January 23, 1960. 52 years later, James Cameron’s DEEPSEA CHALLENGER journeyed to the bottom of the Mariana Trench, nearly 7 miles below sea level. Photograph courtesy U.S Navy
The Czechoslovakian Tatra 77 (T77) is the first serial-produced truly aerodynamically designed automobile. It was developed by Hans Ledwinka and Paul Jaray, the Zeppelin aerodynamic engineer. The Tatra 87 was praised by German officers in World War II for the superior speed and handling it offered for use on the Autobahn.
Unknown Photographer, Three long exposures of Art Smith performing a flying demonstration at night with flares attached to his aircraft during the last night of the Panama-Pacific International Exposition (PPIE) in San Francisco. (1915)