Over at Hackaday, Caleb Kraft has designed a nightlight whose glow comes entirely from bioluminescent algae. And it responds to movement, so it throbs with each footstep you take around the room.

Many futurists believe that algae light could become a standard form of illumination in a future where sustainable energy and eco-friendly buildings are the norm. This project could be your chance to look into the lightbulbs of tomorrow.


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