What is the strongest material you have ever worked with?

Question: What is the strongest material you have ever worked with?
- Keywords:
  material,
  research,
  work
Asked by BlytheS to David on 9 Nov 2014.
- David Taylor answered on 9 Nov 2014:
  
  Diamond – which is actually the strongest material in the world.
  Tiny diamonds embedded in a metal called Cobalt are used to make saws which as so hard they can cut through concrete.

Question: What is the strongest material you have ever worked with?