mmm yum Thin Field physics
I know Andy's article is to be human readable with the tech made understandable. This wikipedia article goes a little deeper without making andy explain even more. https://en.wikipedia.org/wiki/Thin-film_interference
On Sun, Nov 10, 2019 at 7:25 PM Andrew Davidhazy <andpph@xxxxxxx> wrote:
Roy,
well, not oil but a thin film of soapy water. Described here: http://www.davidhazy.org/andpph/text-colors-in-thin-soap-films.html
cheers,
Andy
> On Nov 10, 2019, at 4:59 PM, PhotoRoy <photoroy6@xxxxxxx> wrote:
>
> Andy,
> Thin film of oil?
> Roy
>
>
