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Sharing 7 videos about telegraph

How did the telegraph help win the American Civil War?

Rion NakayaMarch 3, 2022March 3, 2022

What does OK stand for?

Rion NakayaSeptember 14, 2018September 14, 2018

Thin underwater cables hold the internet

Rion NakayaNovember 2, 2015March 3, 2022

The 550,000 miles of undersea cables that power the internet

Rion NakayaSeptember 17, 2015May 4, 2020

What’s an Engineer? + The Engineering Process – Crash Course Kids

Rion NakayaJune 1, 2015November 29, 2021

Morse Code – Museum of Obsolete Objects

Rion NakayaApril 24, 2014September 14, 2018

Telegraph Line (Nervous System), a 1979 Schoolhouse Rock animation

Rion NakayaApril 27, 2012January 18, 2022