(published in 1955), using ideas that were "in the air", but was not aware of Clarke's article at the time
Text from Wikipedia, available under CC BY-SA 4.0.
- #wikipedia
- #event
- #corroborated
(published in 1955), using ideas that were "in the air", but was not aware of Clarke's article at the time
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-16 from Wikipedia. The archived copy is preserved so this citation survives link rot.