Twas
Arthur C Clarke's invention.
(
Al__S is constantly suprised,
Mon 17 Feb 2003, 13:54,
archived)
He
invented the geo-stationary orbit at the same time and teaching millions of physicists (possibly) a thing or two.
and coincidentally helping Rupert Murdoch get very rich
(
Ijon Tichy,
Mon 17 Feb 2003, 14:00,
archived)