Engineered wood converts sunlight into heat, supplies solar power even in darkness
https://interestingengineering.com/energy/wood-converts-sunlight-into-heat
Engineered wood converts sunlight into heat, supplies solar power even in darkness
https://interestingengineering.com/energy/wood-converts-sunlight-into-heat
Removing the lignin from balsa is also how the team made windows out of wood... I feel like these two designs might work together, and how cool would that be?
https://www.usda.gov/about-usda/news/blog/transparent-wood-could-be-window-future
I guess you could still call it wood.