It's stronger than steel, but could this glamorous metal become as common as steel? Read more
now playing
Titanium
It's stronger than steel, but could this glamorous metal become as common as steel?
Magnesium and Beryllium
Two metals with sinister reputations - one for flammability, the other for lung disease
Copper
Why copper wires? And do solar power and batteries herald the death of the old AC grid?