Heating Metal (2 of 3)

Heating Metal (2 of 3)

C022/0925

Rights Managed

Caption

An iron rod is heated with a torch. The iron in the metal changes colour from red to white as the temperature rises, in a process called thermionic emission of light. The colour of the light given off by the top metal is called the colour temperature. Image 2 in a series of 3.

Release details

Model release not required. Property release not required.

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