Have you heard of the potato clock?  Well, they took it up a level with an actual battery that works with mushrooms:

They have created a new type of lithium-ion battery anode using portabella mushrooms, which are inexpensive, environmentally friendly and easy to produce. The current industry standard for rechargeable lithium-ion battery anodes is synthetic graphite, which comes with a high cost of manufacturing because it requires tedious purification and preparation processes that are also harmful to the environment.

Let’s find out more about how these work on the next page

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