Every revolutionary idea seems to evoke three stages of reaction. They may be summed up by the phrases: 1- It's completely impossible. 2- It's possible, but it's not worth doing. 3- I said it was a good idea all along.

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.