apr 1, 1953 - Mission of Gravity, Hal Clement, America
Description:
"The novel provides an exposition on how the weather, geology and atmosphere of the seas and the pole are affected by the local conditions, and sees the Mesklinites overcoming their fear of gravity as they learn to view it scientifically, eventually harnessing aerodynamics to make the Bree fly at the poles." - WikipediaAdded to timeline:
Date:
apr 1, 1953
Now
~ 72 years ago