26Jul/160
Super-hard metal ‘four times tougher than titanium’ – BBC News
A super-hard metal is made in the laboratory by melting together titanium and gold.
Source: Super-hard metal 'four times tougher than titanium' - BBC News
A super-hard metal is made in the laboratory by melting together titanium and gold.
Source: Super-hard metal 'four times tougher than titanium' - BBC News