What colors can you get by heating a steel clip?

[sogflash]

What colors can you get on a shiny steel clip by heating it, and how do you proceed to do it?

 

[Phydeaux]

Here's a link to a technical article on the color transitions: http://www.bssa.org.uk/topics.php?article=140

google fu "steel color heat", that were I found the link. You can also find some pics too.

Ric