Introduced by Magnus Magnusson
This has been a summer of intense archaeological activity. Underwater swimmers have found the most complete Armada wreck so far; the world's earliest surviving battleship; and Charles II's yacht.
On land Professor Alexander Thom has found what he believes is the world's earliest computer among the prehistoric megaliths of Brittany; in Northumberland schoolchildren are helping to excavate a Roman settlement near Hadrian's Wall.
(The Changing Past: Radio 4 Sun 4.0)