Edwin Howard Armstrong invented FM radio and FM broadcasting. He won a patent for FM radio in 1933.
Wireless remote control was invented by Austrian Robert Adler (1913–2007).
Samuel F. B. Morse invented the first telegraph in 1837. Before Morse many inventors tried and worked on the same but the first practical instrument that could send telegraph using electricity successfully was designed by him. Samuel Morse was a professor of art and design at New York University in 1835. He became interested in […]
Wireless communication was first seen when Alexander Graham Bell and Charles Sumner Tainter invented and patented their invention. This was known as the photo phone and was the early persecutor to the telephone. However at that point in time, it didn’t have any use, since electricity or other utilities didn’t exist. When Heinrich Hertz demonstrated […]
Spiral notebooks have been used extensively in schools and in offices across the world. There are some variations of the spiral notebooks that are available. While some of them may have a spiral running along the length of the pages, others will have a spiral that is running along the breadth of the pages. While […]
The history of printing is very old. The oldest form of printing known as woodblock printing was used extensively throughout East Asia and is said to have been a Chinese invention. This was a method where the wood blocks were used for printing on textiles and then later on paper. The earliest evidences date back […]
It was in 1970s that Instant Messaging appeared as an application to be used to connect communication of people logged on to the same machine, subsequently on their local network and finally all over the internet. In its initial stage the facility was available through operating system of multi-use like UNIX. The connectivity was possible […]
James Pillans invented blackboard in 1800s. He worked as the headmaster of the Old High School of Edinburgh, Scotland. The students in his school used slates with wooden frames and wrote with another slate on it. This slate had wooden frames to protect them from breaking. He took slates and hung them on the wall […]
It was long ago that early man used gestures to express himself. He was the first to use sign language. In 1620 Juan Pablo de Bonet was the one to write a book which had the first alphabet system known to man. He used different signs through hand shapes to represent different sounds of speech. […]
No recorded documentation proves that who invented the American Flag and when. But the common stories that support the views regarding invention tell us that George Washington drew a rough sketch and it was Betsy Ross who designed and sewed the first American Flag. The family of Rebecca Young claims Rebecca to be the one […]