Speed
Radiolab
00:00
How Fast Are We?
How fast do we interact with the world around us? How fast do we feel something, see something? Response? Hello o hello he hao. We san. That sounds better, much better. The question popped up in a really big way around 18 50 with the invention of a telegraph. If you're in new york and you want to send a message to chicago, ill, but se money stop. It's going to take about a quarter of a second for that message to get there. 790 times four times 60 times 60, it's 11 million miles an hour. Some people refused to believe that this was real when they first used the telegraph.
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