Designer Taikkun Lin has prototyped a prayer wheel that harvests energy and converts it into electricity as it's turned. Built with used bicycle parts, the LED-embedded wheels are also intended to provide lighting as they are spun.

Prayer wheels are found in Tibet where they are constantly turned by tourists. While Taikkun has found a way to utilize them, he doesn't address how they can be implemented without affecting the historical structures of the temples.

[via Core 77]

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