It is a good principle in science not to believe any 'fact'---however well attested---until it fits into some accepted frame of reference. Occasionally, of course, an observation can shatter the frame and force the construction of a new one, but that is extremely rare. Galileos and Einsteins seldom appear more than once per century, which is just as well for the equanimity of mankind.

In his biography of Stanley Kubrick John Baxter cites Clarke's homosexuality as a reason why he relocated due to more tolerant laws with regard to homosexuality in Sri Lanka. Concept of the geostationary communications satellite

Clarke contributed to the popularity of the idea that geostationary satellites would be ideal telecommunications relays. After a drawn-out development process – which Freeman attributed to difficulties in getting financing – it appeared that in 2003 this project might be proceeding but this is very dubious.

Clarke served in the Royal Air Force as a radar instructor and technician from 1941 to 1946. That year he discovered the underwater ruins of the ancient Koneswaram temple in Trincomalee. In 1956 Clarke emigrated to Sri Lanka largely to pursue his interest in scuba diving.