The tangle is circle with 1m radius containing different vertically stacked herbs, veggies, fruits and mushrooms which maximize nutritive yield beneficial for human all year long and minimizes the amount of external intervention.
Inspiration: Neal Stephenson (Anathem)
Aquatic Alternative: The Aquarium
H-microfusor is a reactor for deuterium/tritium nuclear fusion whose size does not exceed 1 cubic meter and which is able to persist in the breakeven state (Q>=1) for at least 1 second.
Approach: scientific modeling, CAD, nanotechnology
Status: solvable
Interconnect processes of opinion aggregation, expertise integration and decision-making so that at least some future social and political systems are more equitable, adaptable and less prone to "extinction through stupidity".
Status: wicked
Approach: try in smaller community, then expand
The Primer is an almost magical, book-like solarpunk artefact with embedded personalized adaptive generative teacher avatar so advanced that it is able to catalyse, by means of education, a transformation of a traumatized orphan into a Queen.
Status: solvable (provided that there is at least one vacant 👑 around)
Approach: fine-tuning of Large Language Models, speech technologies, Raspberry Pi
Inspiration: Neal Stephenson (Diamond Age: or Young Lady's Illustrated Primer)