How did people talk before cell phones? | History Remade with Sabrina
29:00
What happened to America’s Telegraph lines? How the Telegraph Transformed America - IT'S HISTORY
22:27
I BUILT my own TELECOMMUNICATIONS Network!
17:19
Rebuilding a 1,000-Year-Old Humanoid Robot | History Remade with Sabrina
17:35
How a quartz watch works - its heart beats 32,768 times a second
17:49
The Insane Engineering of the Gameboy
25:13
Is Gutenberg's printing press still useful? | History Remade with Sabrina
15:13
Adam Savage vs The "Perpetual Motion" Machine!
6:25