Mind Blowing Breakthroughs Science showTV Show
(2014) • Season 1, Episode 15
HD
★ 0.0
IMDb: 0.0
Seasons: 2
en
The Baron proposes a show dedicated to time. So he invites a specialist from medieval Korea: Jang Yeong-sil. When the King's guards slept and did not ring the bells indicating different times of the day, the King asked Jang to create a machine that told time automatically. But how did Jang do it?
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