Without the valve and the transistor there would be no radio, no television and no computers. How did these vital inventions come about? The Quantum Leaps team.
First published on Tue, 03 Aug 1999 as Transistors and thermionic valves. To find out more visit The Open University's Openlearn website. Copyright 1999
First published on Tue, 03 Aug 1999 as Transistors and thermionic valves. To find out more visit The Open University's Openlearn website. Copyright 1999