Monday, November 19, 2007

happy birthday, vacuum tube !

On November 16, 1904, British engineer John Ambrose Fleming patented the vacuum tube . This ushered in the age of modern electronics, leading to the development of radio, TV, and other forms of electronic equipment. Vacuum tubes were standard until the advent of the transistor. The US Supreme Court eventually invalidated Fleming’s patent, but he is still known as the inventor of the vacuum tube.


No comments: