Nobel Media AB
The Nobel Prize: Iron, Steel, and Invar
Read about the history of iron use and the many applications of steel in modern life. Learn about how iron is extracted from ore, how steel is made, and the invention of invar, an iron-nickel alloy, by physicist Charles Edouard Guillaume.
Science Struck
Science Struck: Physical Properties of Steel
Looks at the physical properties of steel and its important uses in day-to-day life and in industry.