Wireless technology...in the 1920s? | Roni Pramaditia | TEDxJakarta

Roni Pramaditia came to Mount Puntang to research on Silvery Gibbons. Yet when he stumbled into a piece of history, the discovery was beyond what he had expected to find. What happened in this site, almost 90 years ago, when the Dutch East Indies were here and needed a way to communicate back home? Through striking visuals, Roni takes us on a journey to uncover Java's first wireless radio communication technology.
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