The article was written in 1906 and highlights the unique and extraordinary aspects of the Dynamophone (also called the Telharmonium) from the authors perspective. Numerous photos are in…
On 25 October 1906 Lee de Forest submitted a patent application on a "Device for amplifying feeble electrical currents", which included the first form of the 3-electrode Audion. The device and…
By the 1930s, millions of people around the world listen to news, sports, and their favorite shows on their AM (Amplitude Modulation) radios. But technological problems persi…
After graduating from Columbia University, Armstrong works there as a lab assistant and then serves as an officer in the U.S. Army Signal Corps during World War I. While in the army, Arm…
From an early age, Edwin H. Armstrong is intrigued with wireless technology and decides to become an inventor. In 1912, as a senior in college, he makes a major breakthrough in wireless …
One of the traits that makes humans unique from other animals is our consciousness, the fact that we can remember concrete ideas, both actual memories and abstract thoughts. These brain activities are…
Parts I & II By C.E. Shannon Bell Telephone Laboratories, Inc.
With this paper, Claude Shannon provided the theoretical foundation for communication engineering. It describes how inform…
Quipus, or Khipus, were used by civilizations of the Andes, such as the Incas and were a means of recording information. The lengths of the chords, colors, and knots were used to record numeri…
Often noted as "the father of information theory".
"The American mathematician and computer scientist who conceived and laid the foundations for information theory. His theories laid the ground…
An Ancient Greek bronze hand-powered mechanical device that calculated astronomical positions, is described as the oldest known example of an analogue computer.
In 1900, off the coast of Antiky…