gps stories

 
We've long known about Arthur C. Clarke's prediction way back in 1945 that artificial satellites placed in a geostationary orbit could be used to relay radio signals around the world — but we had no idea that 11 years later, he revisited his famous essay "Extra-Terrestrial Relays — Can Rocket Stations Give Worldwide Radio Coverage?" to predict the GPS… and more.
 
We're getting mixed messages from Google this morning. Yesterday in London a Google rep said free turn-by-turn satellite navigation, already available on the company's Android platform, was coming to the iPhone. Not so fast, says a different Googler to PC...

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