Comments by "Big Blue" (@bigblue6917) on "The Most Important Invention of the 20th Century: Transistors" video.

In the world of the Internet we often do not realise the impact of the invention of the telegraph. During the Crimean War, 1853 to 1856, the telegraph allowed the British Army command to send ad receive messages in a matter of hour. Whereas the Russians, without the telegraph and very poor roads, assuming there was a road, it could take days or even weeks for the Russian commander to get and receive messages from Moscow. The British newspaper, The Telegraph, came about because it could get stories from anywhere in the world into the paper within 24 hours of it happening. Some parts of London had telegram deliveries of 13 times a day, letter where 12 times a day. And for some it had a huge social impact. Middle class women with a good education would be employed because they proved better telegraphists then most men. Prior to that options were limited. Interesting that you showed a picture of the old Commodore 64 as its return has just been announced. Even more interesting is that it was reputed to have the same computing power as the Apollo Lunar Lander. Wonder if the plans are on Wikipedia.
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@knightowl3577 I've seen some of their guard towers on Hadrian's Wall and they used those items. They also had fire at night time.
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@scowell True
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@allangibson8494 Interesting about the Raspberry PI. If I didn't have enough to do already it would be fun having a go at using it.
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