In the mid 1770’s, During America’s War of Independence with England, David Bushnell, an inventive guy on the American side, created the world’s first attack submarine. Using whiskey barrel technology, he made a watertight, clam shell-shaped vehicle with barely enough room for one man. The thing, Continue reading “Submarines”
History of the piano – Its immediate predecessor was called a clavichord. The volume of a clavichord, like a harpsichord, cannot be controlled, the loudness of each note is the same. However, the pitch of the notes of a clavichord change depending on whether the player presses the keys hard or light. Hit a key hard and the pitch goes up! The forte-piano was a considerable improvement, because the volume was adjustable depending on how hard the player hits the keys. Later the name evolved to pianoforte, which in Italian means “soft-loud,” and finally piano.
The world’s most outrageous musical instrument was made in France during 1450. A long row of spikes was connected to a keyboard. Under each spike was a pig, arranged according to the pitch of its oink.
The most valuable solid gold item is the inner coffin (of three) in which King Tut was put to rest. It weighs more than a small pickup truck (2,447 pounds or 1,109 kg) and is worth over 14 million US dollars.
Why was it illegal to buy more than three pairs of shoes during the 1940’s? Leather was needed for the war effort. Most shoes at that time were made almost entirely from leather, yet today many are made from cloth, plastic and synthetic rubber.
An unusual profession: A man was named “Official Uncorker of Bottles” by Queen Elizabeth I. A law was passed that stated all bottles found washed up on beaches had to be opened by this man, and no one else, in case they contained sensitive military messages. The penalty for anyone else opening a bottle was the death sentence.