Stone to Silicon

Materials · 1862

Parkesine

The first human-made plastic, from nitrated cellulose.

Alexander Parkes showed Parkesine at the 1862 International Exhibition in London. It led to celluloid for film, combs and billiard balls.

See it in the living treeWikipedia

Arcs above join it to what it stood on, arcs below to what it led to. The bar places this stretch on the tree's whole timeline.

What it built on 1

What it led to 2