Stone to Silicon

Materials · c. 1450

Venetian clear glass

Nearly colorless cristallo from the furnaces of Murano.

Angelo Barovier developed cristallo in Murano around 1450. Clear glass improved mirrors and lenses for spectacles, telescopes and microscopes.

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