When was the spiral notebook invented?
In 1924, the spiral notebook was invented with exclusive right given to Edward Podosek.
When was the Blackboard invented?
The headmaster James Pillan of Old High School of Edinburgh in Scotland first invented in 1801. The chalkboard was called blackboard as it was made of black slate.
When was coke invented?
Coke was invented in May 1886 by a pharmacist Dr. John Pemberton in Atlanta, Georgia. Frank Robinson, the bookkeeper of Pemberton suggested the name Coca Cola to him. On May… Read more »
When was the radio invented?
The radio was invented in 1895 by an Italian inventor; Guglielmo Macroni who received and sent the radio signals for the first time. The fundamental design for radio was originated… Read more »
When was the Boombox invented?
The Boombox was invented in 1975 by The Woelfel brothers. The first boom box was a box made of wood along with speakers and a car stereo system of an… Read more »
When was the toilet invented?
In 1596, Sir John Harrington discovered and built the first flush toilet for Queen Elizabeth 1. The modern toilet was patented in 1775 by Alexander Cumming.
When was the CD player invented?
In 1965 the first compact disk was invented by a senior scientist, James T. Russell at the Pacific Northwest Laboratory. The first CD player- CDP-101 was released by Sony in… Read more »
When was the computer invented?
In 1672, Blaise Pascal invented the first mechanical computer. Charles Babbage designed the first completely programmable mechanical computer known as “Analytical Engine” in the year 1837. Alan Turing is regarded… Read more »
When was the computer mouse invented?
In 1964, a U.S based inventor, Douglas Englebart invented the first computer mouse which only had one button, carved out of wood and bulky. The ball mouse was invented in… Read more »
When was the Potato Clock invented?
The Potato Clock was invented in the year 1983 by William A. Borst. The potato battery was made ready by fixing two metal prods into a potato. He attached two… Read more »