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Silicon
Silicon is used in items from breast implants to computers. It makes up over 90% of the Earth's crust, it can be found in sand and Quartz crystals.
This is a programme from the Βι¶ΉΤΌΕΔ World Service Archive and was originally broadcast in 1998.
Βι¶ΉΤΌΕΔ World Service Archive
This programme was restored as part of the World Service archive project
