It was 1883 in the village of Eagle, Wisconsin, and Clarissa Wood had a rock. Well, it was slightly more than a rock - it was a 12-sided stone, of a “warm sunny color”. She brought it to a jeweler in Milwaukee, who examined briefly before agreeing that it was probably topaz. He bought it for $1.
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."