Available on Prime Video, BritBox
S1, E3: Virtual assistants like Amazon’s Alexa, Google Assistant and Siri, are now found in millions of homes. In this jaw-dropping science documentary, mathematician Hannah Fry goes behind the scenes with Alexa’s chief scientist, reveals how secret technology designed to hunt German U-boats led to their targeted hearing and discovers modern wireless networks' debt to a 1940s Hollywood star.
Documentary · Nov 24, 2022 · 49 min