Ninety years ago today, on March 16, 1926, Robert H. Goddard (1882-1945) launched the world’s first liquid-propellant rocket. His rickety contraption, with its combustion chamber and nozzle on top, ...
Add Yahoo as a preferred source to see more of our stories on Google. The experiment lasted only two and a half seconds, but it ignited a century of space exploration that sent humans to low Earth ...
Goddard had many impressive firsts beyond the first liquid fueled rocket. He was the first to implement a De Laval nozzle on a rocket something that greatly improves rocket efficiency and is used on ...
Click to open image viewer. This is a nozzle from the One-Stick Repulsor rocket of the German Society for Space Travel (the Verein für Raumschiffahrt or VfR). Formed in 1927, the VfR began ...