3/3. Lynne Truss looks at the revolutionary impact of everyday things.
It became ubiquitous in the 1980s but the fax was actually invented in 1842. Alexander Bain, a 19th-century Scottish clockmaker, devised the basic technology that is still used today. Lynne Truss finds out why it took another 140 years for the fax to come into its own. Helena Kennedy QC, screenwriter Andrew Davies and weather forecaster Michael Fish argue that the fax remains indispensable.

(FM only)