Medieval scientists clearly understood DNA structure, but apparently had difficulty in determining the correct chirality.

Or the wall mounted version:

Architects of the National Academy of Science building clearly understood the scientific importance of crabs, and this is reflected in their wrought iron work door at the main entrance.

Japanese spider crab -- largest known crab (and arthropod) -- 3.5m claw-span. Seen at Intermediatheque in Kitte, South Maronouchi exit, Tokyo Station.

My was partly inspired by the idea of making precision semiconductors with biochemistry. See this 1996 slide from a study I did for DARPA: ultra-fast computers as a potential result. Moore’s law is dead, predictable even then that it would end about 2016 or so, which it did. 2/

You just get out your K&E Planimeter.

Of course, Chaosnet used 75 ohm cable and UHF connectors:

Doesn't everyone have a few hundred of these around?

Orbs.