Programme Index

Discover 11,128,835 listings and 280,391 playable programmes from the BBC

Discovery

In Their Element

Silicon - The World's Building Block

Duration: 27 minutes

on BBC World Service Australasia

Available for over a year

Silicon forms more than a quarter of the earth's crust by weight. With oxygen it makes sand and it is essential to electronics. Dr Louisa Preston explores why silicon is so useful Show more

BBC World Service Australasia

About BBC World Service

The BBC's international radio station