Every time new technology comes out, I ask myself 'That's incredible, what's next?'. When I found out about Nissan self-healing paint - the bad guy in Terminator II kept creeping into my thoughts - regenerating himself instantly.

For smartphone users, scratched and nicked cases could become a thing of the past. Nissan has announced that it is currently developing an Apple iPhone case that can "heal" small nicks in its own surface. The self-healing case…