The Secret Genius of Modern Life
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- Episode
- Fitness Tracker
- Broadcast Info
- 2023 (59 mins)
- Description
- With around a third of the population now owning fitness trackers, Britain has become a nation obsessed with tracking its every move. Hannah Fry finds out how 1970s car crashes helped us to count our steps, why high-altitude WWII dog-fights led to a crucial health monitor and how fitness trackers are even being used to catch killers.
- Genre
- Culture; Technology