When was the first wind vane invented?
The first wind vane was invented by a Greek astronomer, Andronicus in 48 B.C in Athens. It was placed on the top of the Tower of the Winds and its… Read more »
The first wind vane was invented by a Greek astronomer, Andronicus in 48 B.C in Athens. It was placed on the top of the Tower of the Winds and its… Read more »
The hydraulics engineer, Ferdinand Chauvier of South Africa in the year 1951 invented the first manually operated swimming pool vacuum cleaner. In the year 1974, Chauvier created the first automatic… Read more »
George Boole in his book “An Investigation of the Laws of Thought” developed Boolean algebra in the year 1854. It was developed to manipulate true (01) or false (0) statements…. Read more »
In the year 1904, Ernst Alexanderson invented a high frequency alternator. It is a rotating machine that transforms direct current into alternating current and radio communication is greatly improved by… Read more »
In the year 1954, a computer scientist John Backus invented the first high level programming language known as FORTRAN or formula translation for the IBM. In 1957, it was commercially… Read more »
In 1931, an engineer Karl Guthe Jansky of Bell Telephone Laboratories built the first radio antenna to identify an astronomical radio source. Grote Reber in 1937 built the first parabolic… Read more »
Nathaniel Baldwin invented the first headphone in 1910. The first headphone or earphone was made from leather, ceramics, copper and rubber. John C. Koss in the year 1958 invented the… Read more »
In the year 1916 at the Necker-Enfants Malades Hospital in Paris, the stethoscope was invented by a French physician Rene Laennec by rolling up paper of plentiful sheets. In 1851,… Read more »
In 1939, Luther George Simjian of America is associated with the invention of the first Automated Teller Machine (ATM). The first commercially successful electronic ATM was invented in 1967 by… Read more »
Although the credit cards were used in the United States in the 1920s but the first bank credit card was invented in 1946 by John Bigging of the Flatbush National… Read more »