BIOS Reporter – Volume 22, No.2 – April 1998

The invention in 1904 of the thermionic valve has had far reaching consequences for the development of radio, television, and, indeed, the entire twentieth century. Its successors, the transistor in 1948, and the integrated circuit in the mid-sixties, underline the rapid pace of change and the almost explosive penetration of electronics into every facet of modem life…