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To: Nadine Carroll who wrote (299848)4/6/2009 4:12:08 PM
From: ManyMoose  Respond to of 793914
 
I remember a story about how Arab seamen invented a device for determining latitude that was so powerful fortunes would be spent or wars fought to acquire it, but so simple a child could do it with no tools beyond a piece of string and a chip of wood.

They had to wait for an Englishman to invent a way to fix longitude.

And Americans to invent GPS.