Scientists are closing in on the goal of generating large sources of completely renewable energy using the surplus CO2 in our atmosphere.
They have successfully developed an artificial photosynthesis system made of nanosized tubes that appears to be able to deliver on this promise.
The individual units created will be small square "solar fuel tiles" that mimic actual living photosynthetic cells.
Although obstacles to scalability still exist the researchers are confident the technology is ultimately doable.
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