146 years ago, Thomas Edison entered the offices of Scientific American with a strange machine. Turning a crank on his cylinder phonograph, he astonished those present with the recording, "Good morning. How do you do? How do you like the phonograph? " It wasn’t until very recently in human history that sounds even could be recorded, and the invention of recording devices and media caused a monumental shift for society.
The first class of nuclear submarines were a learning experience for the Soviet Navy. The November class boats experienced numerous difficulties and accidents, culminating in what has been described as a potential “Underwater Chernobyl."