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The Secret Genius of Modern LifePhần 3Tập 4

Doorbell

ScienceTechnology
English
The smart doorbell is a top tech success. Hannah visits Ring in LA to explore its history, from a tinkerer, Soviet spy tech, and a student's thirst to security staple.
Quốc gia:
UK
Đạo diễn:
Fay Finlay
Diễn viên:
Hannah Fry
Lời khuyên:
Mature ThemesCoarse Language
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