When you don't have a prism, you make do with any other transparent body to disperse light.

[anon71831483]

Instead of doing my dishes, I took these shots of light dispersing through some dish-soap bubbles.

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[hanatos (jo)]

looks great! of course this is interference, not dispersion. Thin-film interference - Wikipedia

[anon71831483]

Thanks, I stand corrected.

[betazoid (Anna)]

No, it’s abstract art!