From molecules to gallons: Scaling up fuels created by artificial photosynthesis: Sabin Russell @ :phys.org
Ok so I’m a geek but I see this a neat and a form of artistry.

Self similar patterns, derived from nature’s models, provide a route to scale from meters to sub micron with features of self assembly and ‘natural’ scaling. Allowing fluids to flow in and out of a microscopic reaction site at macro-scales.