permaculture

[landbase <landbase@gmail.com>]

Not actually a rainbow -  called Newton's Rings
These are 'interference colours' due to the *polarisation *of light not its
*refraction*
https://www.olympus-lifescience.com/en/microscope-resource/primer/lightandcolor/interference/

Ross.
. . .

On 17 June 2018 at 16:24, Lawrence London <lfljvenaura@gmail.com> wrote:

> {Donka]
>
> Rainbow captured from an airplane over Varna, Bulgaria! : pics
> https://www.reddit.com/r/pics/comments/8rj7t8/rainbow_
> captured_from_an_airplane_over_varna/?st=jiibrtb8&sh=e85ea5ae
>
> permaculture mailing list
> permaculture@lists.ibiblio.org
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*gardeners grow better kids*