ElementsElementsEpisodes Episode guide

Back up to: Elements

1. Silicon

   2/4Is the element behind the computing revolution about to transform the world once again?
2. Lead (Pb)

   The sweetest of poisons, have we learnt how to handle this heavy metal?
3. Caesium (Cs)

   The caesium-based atomic clock has redefined the very meaning of time.
4. Sulphur (S)

   Does the world face a looming glut of this devilish yellow element?