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Fungi have fascinated scientists for decades - centuries, probably.
3D printed battery
Microbial fuel cells work by harnessing the metabolism of living organisms to produce electricity.
In the past, this was done with bacteria.
Rather than adding fungi to a pre-assembled battery, researchers integrated fungal cells into the 3D-printed battery structure itself.
Electrodes were carefully designed to provide nutrients to the fungi while remaining biodegradable and conductive.
For the main nutrient source, the researchers add simple sugars to the battery cells.
