“The project was developed by the BBC to create a computer-based, multimedia version of the Domesday Book, marking the 900th anniversary of the 1086 archive. But the snapshot of in the UK in the mid-1980s was stored on two virtually indestructible interactive video discs” which, just 15 years later, were so obsolete they were illegible to modern computers. Engineers have developed emulation software that make the files accessible once more. —Digital Domesday Book UnlockedBBC)