Videos Clips: GPS

Grindr: Is the location-based app a roadmap to love?

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Alzheimer's patients tracked with satellite technology

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Could GPS be used to predict earthquakes?

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'Cat-nav' to study pet behaviour outside the home

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GPS: the golf positioning system?

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Sat-nav can do more than navigate

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How does sat-nav work?

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Has Russia's sat-nav system come of age?

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How to track friends with Google Latitude

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School bus pass tracking scheme

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GPS used to preserve ants' nest

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Mobile phone that recognises tube stops

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Tagging puffins to halt their decline

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Scientists to develop 'sat nan'

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Sat navs blamed for stranded HGVs (no sound)

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