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My good friend Sam made me this wonderful card for Halloween. The photo on the left is how it looks in person. The photo on the right is how it looks through the phone at a certain angle.

Any guesses as to why? #art

Kiki and her cat on a pumpkin from Kiki’s delivery service. Her hair is black.
This is the same image, but her hair looks yellow.
#art
in reply to Sheril Kirshenbaum

Hobson Lane
Hobson Lane
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The cellophane envelope is thin enough to be a multiple of the wavelength of light. If you get the angle right, one particular set of wavelengths (colors) will cancel out and disappear, like magic. I could draw you the geometry in a diagram but it would probably take longer than drawing your card.

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