Why does an iron nail turn red when heated?

Lucas Scott | 2023-06-07 18:29:29 | page views：1113

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Studied at University of California, Berkeley, Lives in Berkeley, CA

When an iron bar is heated to a very high temperature, it initially glows red, and then as its temperature rises it glows white. Incandescence is heat made visible -C the process of turning heat energy into light energy.

2023-06-08 18:29:29

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