Ok … this is my day for finding interesting articles on molecular
manufacturing.  I really like this one … a MIT team using
genetically modified viruses to manufacture.

Battery electrodes self-assembled by viruses. Genetically modified viruses that assemble into electrodes could one day revolutionize battery manufacturing.

The MIT team genetically modified viruses to create the electrodes.
They introduced snippets of single-stranded DNA that caused the
virus… [KurzweilAI.net Accelerating Intelligence News]