Plants placed in greenhouses do not absorb enough UV lighting on cloudy days. The surrounding transparent surfaces diminishing the UV lighting.
Solution
Create an automated cover for the transparent surfaces. On cloudy days it will close to let the plants receive enough UV lighting. on sunny days it will open to maximize the amount of sunlight the plants will be receiving
Initial Ideas
Bio Brainstorm
Self cleaning plane wings
Bio Brainstorm
Device preventing wind-shear
Bio Brainstorm
Insulation material for Arctic exploration vehicles
