100,000 floating LEDs were recently charged with solar power and designed to mimic fireflies in the city of Tokyo during the Hotaru Festival. “The effect was beautiful, but, like similar art projects, it raises the question of e-waste, but on a massive scale,” Alex Davies of TreeHugger notes. But it was noted by Tim Hornyak of CNET that they were “later reclaimed in nets downstream.” What happened next, we don’t know.
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