Here’s a short news segment on artists Heather Ackroyd and Dan Harvey that contains a brief section on the duo’s amazing giant grass photo prints (skip to 2:43). We get a glimpse of how they use a projector to print images onto sheets of grass with the help of photosynthesis.

(via Fstoppers)

Photographer Binh Danh observed one summer that there was a difference in color between grass under a water hose and the grass directly exposed to sunlight. He then began to experiment with combining photography with photosynthesis, and came up with what he calls “chlorophyll prints” — photographs printed onto leaves using the sun.
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