The Secret Genius of Modern Life Season 1 Episode 5 - Fitness Tracker

Airdate: 2022-Dec-08

Episode summary:

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.

About The Secret Genius of Modern Life series:

Hannah Fry uncovers the secrets behind the miraculous technologies of the modern world, revealing the mind-blowing stories behind their invention.<...Show more >