When the telephone first came into use ... A professed admirer of Bell, De Forest invented the three-element vacuum tube in 1907. In 1912, he went one further and invented a version of the ...

On this day in Boston history, the first ever successful phone call was made. Many know the story of the telephone's invention by Alexander Graham Bell and Thomas Watson, ending in the call with ...

The concept of cellular technology had already been created by Motorola's rival ... The company's first commercial cellular phone, the "DynaTAC," went on sale 10 years later.

American Telephone and Telegraph Company (or AT&T) began as Bell Telephone in 1877. Bell Telephone was founded by Alexander Graham Bell a year after he'd invented the telephone. That year the ...

The first cell phone was created in 1973. Since then, pretty much everything about it has drastically changed. Here's where "cell" phones originated from and where they may go in the future.

It was called the Simon Personal Communicator, and it was created by IBM more than 15 years before Apple released the iPhone. IBM's Simon was the first phone to meld together the functions of a ...