Season 5 Episodes20
Cast2
Rupert Degas
Robert Llewellyn
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7.3
Aluminium Foil, GPS Systems
7.3/10 · 10 votesApr 1, 200822 min
Ranked #8 of 20 in Season 5•matches the season avg
Turning sand into aluminum foil; how a GPS (global positioning system) guides people to a specific destination.
Seasons17
Episode Summary
"Aluminium Foil, GPS Systems" is episode 20 of How Do They Do It? season 5. It scored 7.3/10 from 10 votes, ranking #8 of 20 episodes this season (season average 7.3). It aired on April 1, 2008.