A computer at the University College of London and another at the
Royal Radar Establishment in Norway connect to ARPANET. These are the
first European host computers on the network. Also in 1973, DARPA begins the Atlantic Packet Satellite Experiment (SATNET).
Bob Metcalfe, a researcher at the Xerox Palo Alto Research Center (PARC), writes a memo about the potential of a local network technology called Ethernet.
In 1976 Metcalfe and David Boggs publish a paper called, "Ethernet:
Distributed Packet-Switching For Local Computer Networks."
The Alto minicomputer, one of the first PC prototypes, is developed at the Xerox
Palo Alto Research Center. Although it would never be marketed
commercially, many of its features would later be found on computers
such as Apple's Lisa (1983) and Macintosh (1984).
The Associated Press (AP)
announces that it plans to develop electronic darkrooms. By 1973 AP is
using computer terminals throughout its domestic system.
