The Largest Gold Nuggets Ever

200lb Gold Nugget Sparks Gold Fever in Australia Gold fever has struck in Australia, the Beta Hunt Mine had an amazing discovery of a huge gold deposit. Two large stones were removed from the mine, one of the stones weighing around 200 pounds and estimated to contain about 2440 ounces …

From Clocks to Pocket Watches

The invention of the mainspring in the early 15th century allowed portable clocks to be built which then eventually evolved into watches. The mainspring is a small spiral metal ribbon, and when manually wound stores energy to turn the gears and move the hands of a timepiece. Peter Henlein (also …