On May 27th 1937 The Golden Gate Bridge of San Francisco spanning over the opening of the San Francisco Bay and connecting the City with Marin County was opened for public traffic. When the planning for the bridge started back in 1916 many experts said that a bridge couldn’t be built across the 6,700 ft (2,042 m) strait.
Today 206 years ago, engineer John Augustus Roebling was born. He was best known for the design of the Brooklyn Bridge. Sadly Roebling passed away 14 years before the famous bridge in New York City was opened.
61 years ago today, on June 14th 1951 the very first electronic computer produced in series (and in the United States), the UNIVAC I (Universal Automatic Computer) was delivered to the US States Census Bureau at the price of $1.6 Mio.
It all started on August 12, 1981. IBM presented the IBM 5150, the very first IBM personal computer, commonly known as the IBM PC, is the original version and progenitor of the IBM PC compatible hardware platform.
Today for us it's pretty normal that electricity can be transmitted on a wire, because it's part of our daily life. But, in the early 18th century, when the English nature-scientist Stephen Gray was able to show that electricity really can be transmitted on a string of copper, it was an unheard-of revelation.
As you might know for sure, Benjamin Franklin wasn't only an enthusiastic scientist, inventor, and author, but also one of the Founding Fathers of the United States. His roots lay back in Boston, where he was born in 1706 as the son of a chandler. Therefore the family could not afford the adequate education for their 17 children....
On October 4, 1903, American physicist and inventor John Vincent Atanasoff was born. He is best known for being considered as one of the inventors of the electronic digital computer.
On this day in 1877 Thomas A. Edison conceived the first idea for his phonograph, the very first mechanical tool for recording and reproducing (replaying) sound. The phonograph also was the invention that first gained him public notice.
On October 11, 1745, German cleric Ewald Georg von Kleist and independently of him Dutch scientist Pieter van Musschenbroek from the city of Leiden, Netherlands, invented a predecessor of today's battery, the Leyden Jar.