ClawsonThe concept is not newMon Aug 20, 2012 7:53am22.214.171.124In Wollongong, Australia, I observed spark tests on old
steel beams stored outside. From the resulting color
displays engineers could determine the composition of
the metal. The test instrument was only a torch.
- Sorry here it is Διός , Mon Aug 20 4:14amhttp://www.bbc.co.uk/news/science-environment-19314638
- The concept is not new Clawson, Mon Aug 20 7:53am
- I have heard of the technique before.... Sprout, Mon Aug 20 12:59pmI wonder if by using a monochromatic laser it allows them to reduce the number of variables they have to figure on in doing their analysis as opposed to other sources of heat like a torch.
Religion and Ethics BBS