What will life be like in the year 2100? James Burke predicts

4 October 2013 Last updated at 00:11 BST

In 1973, the Radio Times asked BBC science presenter James Burke to predict the future.

He got a lot right, foreseeing the proliferation of the computer in offices, schools and homes.

Forty years on, BBC News asked him to predict the future again.

He paints a world 80 to 100 years from now, in which the proliferation of 3D nanofabricators mean poverty and scarcity have become things of the past.