Via HaD:
Rainbows are revered as religious signs, the subject of ancient poems, adopted by social movements, formally described through science, and spread through memes. The fascination with rainbows is endless, transcends human categories, and embodies intense positivity.
We created the Rainbow Machine to share our joy of light art. We set the machine up at events for people to have their photo taken with it. Those who have their photo taken are given a card with a URL to find their photo online to keep as a momento of the event.
More info at their Github repository and Flickr.
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