Materials · 1913

Stainless steel

Chromium makes steel that does not rust.

Harry Brearley cast a 12.8 percent chromium steel in Sheffield in 1913. Stainless steel became essential in food, medicine, chemistry and architecture.

See it in the living tree Wikipedia

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

Electric arc furnace 1900

What it led to 1

Starship flight tests 2023